BTECH GMRS-PRO Manual Download Page 37 | Manualshive

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BTECH GMRS-PRO Manual Download Page 37

VISIT BAOFENGTECH.COM AND MIKLOR.COM FOR DOWNLOADS AND HELP

37

Radio Operation

Figure 21

①

Power and volume switch

Turn the top knob clockwise to switch on. Turn the knob to

increase or decrease volume level. When using a wireless

BT hand microphone or earphone, please note the Speaker

setting in the HT App needs to be Off or Auto, both settings

will make the volume knob to not function.

②

GPS built-in antenna

(Do not press in this area, the

position of the face needs to be up and open to the sky to

receive GPS signal)

Note: Local GPS time zone is synchronized from the phone.

③

P1 key (

orange key

)

(Custom functions can be set in the

APP- list of options is located in Appendix B), also used to

place radio in pairing mode (hold for 2 sec until beep is

heard and red/green flashing indicator on top of radio is

seen).

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Summary of Contents for GMRS-PRO

Page 1: ...n permission of the publisher except in the case of brief quotations embodied in critical reviews and certain other noncommercial uses permitted by copyright law For permission requests write to the publisher THANK YOU FOR YOUR PURCHASE OF THE GMRS PRO THIS GMRS RADIO WITH UHF VHF SCANNER CHANNELS WILL DELIVER YOU SECURE INSTANT RELIABLE COMMUNICATION PLEASE READ THIS MANUAL CAREFULLY BEFORE USE C...

Page 2: ...N 9 FCC LICENSE REQUIRED FOR GMRS OPERATION 9 FCC SAR Specific Absorption Rate 11 Body SAR Specific Absorption Rate 11 Features and Functions 12 What s In the Box 13 Assembly 14 Battery 15 Installation 15 Removal 15 Charging and Battery Maintenance 16 Charging 16 Battery Maintenance 16 Prolonging The Life of Your Battery 17 Battery Storage 18 GMRS Frequency Chart Channel Guide 19 ...

Page 3: ...he App 20 Pairing Your Cellphone Tablet to the Radio 20 App Permissions 21 Accessing the Android Settings Menu 22 Accessing the iOS Settings Menu 23 Control Interface 24 Editing a Channel 25 Settings Menu 27 General Settings 28 WX Mode 29 Connection Management 31 Scan 32 Channels Groups 33 Programming P1 P2 P3 buttons 34 App Screen 36 Radio Operation 37 Keypad Functions 39 ...

Page 4: ...Radio Menu Settings 47 FM Radio 47 Signaling Settings 48 Radio Settings 48 Adding A New Frequency 49 Sound Setting 50 Display Setting 50 Connecting External Bluetooth Devices 51 NOAA Weather Channels 53 WX Channels 53 Reset Procedure 53 Weather Monitor Alert Description 54 Appendix A 55 Radio Menu 55 FM Radio 55 Radio Settings 56 Sound Settings 57 Display Settings 57 ...

Page 5: ...S Menu 59 General Settings 59 Connection Management 61 SCAN 62 Channel Groups 62 Programmable Buttons 62 Firmware Version 62 Battery 62 Wireless PTT Power 62 Contact Us 62 User Manual 62 Settings 62 Morse Code 64 DTMF 64 About CPS 64 DCS Table 66 CTCSS Table 69 SPECIFICATIONS 70 ...

Page 6: ... contact with your skin a minor burn can result Turn off your radio prior to entering any area with explosive and or flammable materials Do not charge your battery in a location with explosive and or flamable materials To avoid electromagnetic interference and or compatibility conflicts turn off your radio in any area where posted notices instruct you to do so Turn off your radio before boarding a...

Page 7: ...nsmitting with a portable radio hold the radio in a vertical position with the microphone 3 to 4 centimeters 1 25 to 1 5 inches away from your lips Keep the antenna at least 2 5 centimeters 1 inch away from your body when transmitting If you wear the radio on your body ensure that the radio and its antenna are at least 2 5 centimeters 1 inch away from your body when transmitting ...

Page 8: ...rt 2 sub part J American National Standards Institute ANSI Institute of Electrical Electronic Engineers IEEE C95 1 1992 Institute of Electrical and Electronic Engineer IEEE C95 1 1999 Edition National Council on Radiation Protection and Measurements NCRP of the United States Report 86 1986 International Commission on Non Ionizing Radiation Protection ICNIRP 1998 To control your exposure and ensure...

Page 9: ...ing receiver to receive transmissions from the Cellular Radiotelephone Service frequency bands voids the certification of the scanning receiver regardless of the date of manufacture of the original unit In addition the provisions of FCC 15 23 shall not be interpreted as permitting modification of a scanning receiver to receiver Cellular Radiotelephone Service transmissions FCC LICENSE REQUIRED FOR...

Page 10: ...installation This equipment generates and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by ...

Page 11: ... that it does not exceed the exposure limit established by the FCC Tests for each device are performed in positions and locations as required by the FCC Body SAR Specific Absorption Rate For body worn operation this device has been tested and meets the FCC RF exposure guidelines when used with an accessory designated for this product or when used with an accessory that contains no metal and that p...

Page 12: ...onnection methods Radio short message function GPS positioning system Partner location and direction reporting system Multiple emergency functions High Capacity Lithium Ion battery 3000mAh Broadcast FM receiver 87 108 Mhz 30x6 channel groups NOAA Alert Dual watch Dual reception IP67 rating for dust and water resistance USB direct charging convenient and fast ...

Page 13: ...COM FOR DOWNLOADS AND HELP 13 What s In the Box This transceiver comes shipped with the following items in the box GMRS PRO Radio Body 3000 mAh Lithium Ion battery pack TYPE C USB Charging Cable Optional belt clip Optional screwdriver ...

Page 14: ...the antenna and battery pack as well as charge the battery Attaching the belt clip There are two screws in the belt clip package Use the included screwdriver to fix the belt clip on the radio body Do not use any form of glue to fix the screws on the battery clip The solvents in the glue may cause damage to thebattery casing ...

Page 15: ...r clockwise Installation Make sure the battery is aligned in parallel with the radio body with the lower edge of the battery about 1 2cm below the edge of the radio Once aligned with the guide rails slide the battery upward until you hear a click as the battery locks in place Removal To remove the battery press the battery release on the bottom of the battery pack as you slide the battery downward...

Page 16: ...e the needed power capabilities and insert the other end into the battery USB TYPE C socket 2 Plug the AC connector of the power adapter into the main AC wall outlet 3 Make sure that the battery and charging cable are in good contact When the red LED lights up your radio is charging 4 Once the battery s green status LED lights up the radio is fully charged Please remove the radio at that time to a...

Page 17: ...nly charge batteries at normal room temperatures When charging a battery attached to the radio turn the radio off for a faster charge Do not unplug the power to the charger or remove the battery and or radio before it s finished charging Never charge a wet battery Batteries wear out over time If you notice a considerably shorter operating time with your radio please consider purchasing a new batte...

Page 18: ...rom over discharge While lead acid must always be kept at full charge during storage this radio uses a lithium based battery and should be stored at around a 40 percent charge This level minimizes age related capacity loss while keeping the battery in operating condition and allowing self discharge To avoid severe capacity degradation of your battery while in long term storage please cycle the bat...

Page 19: ...VISIT BAOFENGTECH COM AND MIKLOR COM FOR DOWNLOADS AND HELP 19 GMRS Frequency Chart Channel Guide ...

Page 20: ...l have full control To use the controls on the radio disconnect the app Pairing Your Cellphone Tablet to the Radio 1 Open the app Turn on the radio then press the orange key twice OR scroll to Pairing in the menu then select the OK button to enter the pairing state a BEEP will be heard and a red green light flashing means the radio is now in pairing status APP requires Bluetooth permission please ...

Page 21: ...uetooth authorization select PAIR to confirm the pairing status as seen in Figure 2 You do not need to allow access to the contacts and call history App Permissions NOTE The App will request permission to use the Location Nearby Devices Microphone and Media Storage of your phone These privileges will allow the app to send and receive audio and data to work with the radio ...

Page 22: ... store these connections for the next time you wish to use the App You can store more than one radio and you can name them differently in the App to make sure you are working on the proper unit Accessing the Android Settings Menu Click the 3 dots next to the desired device to enter the menu screen Continue on page 23 for Accessing the iOS Settings Menu Control Interface ...

Page 23: ...VISIT BAOFENGTECH COM AND MIKLOR COM FOR DOWNLOADS AND HELP 23 Accessing the iOS Settings Menu Figure 4 Figure 5 Figure 6 iOS Main Screen Click the gear Icon Settings Menu Click the 3 bars on lower left ...

Page 24: ...s to the output power of the current channel Single CH Refers to monitoring the frequency of a single channel Dual CH Refers to monitoring the frequency of two channels Scan Radio will begin scanning channels programmed in the scan list Click Single CH or Dual Ch to turn off scanning FM Radio Click to turn on or off the FM radio Talk Around Turning on sets the TX and RX frequency as the same frequ...

Page 25: ...ete the editing of the channel parameters click the 3 dots then select SAVE to save the Channel Parameters Click More to show a more detailed channel editing interface at the main editor screen GMRS channels are fixed frequencies they cannot be adjusted from the factory settings If you need to use other frequencies please create a new channel group please follow FCC regulations to use the walkie t...

Page 26: ...ansmit and receive frequencies RX TX CTCSS DCS Click to edit transmit and receive CTCSS DCS TX Power Set the output power of the current channel Bandwidth Set the communication bandwidth of the current channel Disable TX When this option is turned on it means that transmission is not allowed Mute Turning this on means that this channel is muted Talk Around Turning this on sets the transmit and rec...

Page 27: ...en squelch the larger the number tight squelch the stronger the received signal strength needs to be heard Device Speaker Working mode of built in speaker ON Turn on the built in speaker OFF Built in speaker mute AUTO When connected to a wireless hand microphone or wireless headset the speaker will be automatically muted and the built in speaker will automatically exit the mute state when the wire...

Page 28: ...e When using a repeater set the lag time for the end of transmission PTT Follow Once a sub channel becomes active allows transmission on the sub channel within 10 seconds after the channel becomes active without needing to switch to the sub channel Tail Elimination Automatically eliminate the noise after the end of transmission Audio Relay Record and transmit the received voice Recording time is u...

Page 29: ...tivate the NOAA Alert Mode the only time NOAA Broadcast will be heard is when there is a weather alert or civil emergency The receiver is activated when NOAA sends out an 8 second 1050Hz tone you may not hear all 8 seconds followed by the alert message After a time period the receiver will shut off and NOAA broadcasts will not be heard For a full description of the NOAA alert mode refer to page 54...

Page 30: ...mode or call phone mode Keep Headset Connected Select the continuous connection and operation via the headset Tone Turn on off the beep tone on the device Power Saving Mode Turn on off the power saving mode Reset Settings This will reset all user settings back up settings before performing this Factory Data Reset This function will restore all the data of the radio to the factory settings Please b...

Page 31: ...BAOFENGTECH COM AND MIKLOR COM FOR DOWNLOADS AND HELP 31 Connection Management Figure 13 Slide SCAN to the right to scan for active Bluetooth devices and begin pairing operations Slide to the left to turn off ...

Page 32: ...the Start frequency to set the lower frequency limit and End to set the higher frequency limit This will set the scan range of frequencies Click the to start the scan Hit the next to SCAN to go back and stop scanning To clear the channel found while scanning press the Delete Hit the to remember the desired active channel ...

Page 33: ... partner copies this string of characters and opens the APP all the channel information will be copied to his device Click NEW to create a new group Click on the new group name to enter channel information After entering all channel information click the up arrow to synchronize to number 2 to 6 channel groups of the walkie talkie Group 1 is the GMRS channels by default and cannot be changed Import...

Page 34: ...34 Programming P1 P2 P3 buttons Figure 16 Figure 17 Figure 18 The programming button can define the short cut operation of P1 P3 button among them T CALL is 1750HZ Radio Switch is turn ON OFF FM radio Description of button function in Menu Listing in Appendix B ...

Page 35: ...lease press and hold the P1 and P2 keys at the same time to restore the factory settings Please perform a data and user settings backup before performing an update or factory reset It will remove all user settings and restore radio to initial settings from the factory Note If you have a new radio or need to reinstall the app then you need to bring up the channel list Figure 4 then go to the Channe...

Page 36: ...muted if the speaker is ON the radio and cell phone will sound at the same time Figure 19 Chat history will be searched If the radio is not connected to the phone no chat history will be displayed Click the Icon shown on the left opens the MESSAGE page On the MESSAGE page click on the microphone icon At the lower left of screen to switch between voice and text input modes Figure 20 ...

Page 37: ... App needs to be Off or Auto both settings will make the volume knob to not function GPS built in antenna Do not press in this area the position of the face needs to be up and open to the sky to receive GPS signal Note Local GPS time zone is synchronized from the phone P1 key orange key Custom functions can be set in the APP list of options is located in Appendix B also used to place radio in pair...

Page 38: ...functions can be set in the APP a list of options is located in Appendix B P3 key Custom functions can be set via the APP a list of options is located in Appendix B Keypad Function Keys Refer to the detailed explanation below for detailed key functions Headphone jack Dedicated headphones can be connected Please note this is not an M plug it is a special customized earphone Contact BTech to purchas...

Page 39: ...u key Turn on the menu function Down key Page down Back Change screen key In the menu mode it is the return key In the standby screen mode it is the switch screen key Press this key repeatedly to switch back and forth between the three screen modes Exit Lock key Press to exit the current setting and return to main screen or lock the keys all but PTT Long press the RED key to lock the keys long pre...

Page 40: ...and L stands for low power Scan It means the scanning function is on Talk Around It means the talk around function is on Headset Connected The device is connected to wireless headset Connected to mobile phone The device is connected to the mobile phone Battery power level Battery level display The specific battery percentage can be queried by entering Status in the menu Channel Name The current me...

Page 41: ... of the main band will be red and with red arrow Repeater Shift Direction means transmit shift up in frequency means transmit shift down in frequency Field strength level When receiving display the receiving field strength indicator Electronic compass Display the electronic compass Speed The current movement speed of the device ...

Page 42: ...ice you can customize the ID name in the menu Signaling setting Status bar After receiving the GPS or connecting the mobile phone the actual time and date of satellite time service or network time service will be displayed Transmitting status indicator GPS on indicator The up arrows indicate the radio is transmitting and the down arrows indicate the radio is receiving ...

Page 43: ... screen facing up and then press the OK button in the upper left corner of the keyboard Sensor prompt icon The 8 icon in the middle of the electronic compass indicates that it is disturbed by the external environment You need to enter the Compass menu and perform correction operations according to the screen prompts At this time after entering the Compass menu the screen will prompt Please calibra...

Page 44: ...f it is sometimes close to a strong magnet the screen will prompt an icon and the icon will be restored immediately after it is moved away and no correction is required at this time If the electronic compass is found to be unresponsive during use please enter the Compass menu to calibrate the sensor to avoid being misled by any strong external magnetism ...

Page 45: ...FOR DOWNLOADS AND HELP 45 Edit Frequency and Memory Settings Figure 27 Refers to the next digit of the cursor Press to move down the list Cursor Under the current cursor you can use the up or down keys to select the specific value you need ...

Page 46: ... other party plus location information and direction Display a list of recently received contact information Press the key to select the list of information to be viewed Press the Enter key to view the detailed location information direction of the other party when communicating Note In the standby mode please press the Back key on the upper right corner of the keyboard to switch back and forth be...

Page 47: ...location and your location will be feedback to the partner s device Send Message Send text message to partners Channel 23 Channel 30 prohibit sending data packets Call When the receiving device receives the CALL command the radio will ring please enter the ID to be searched Check When the receiving device receives the CHECK command the radio will feed back the current location this option requires...

Page 48: ...frequency if the option is activated The TX frequency becomes the same as the RX frequency Power Selects either High or Low TX power Channel Group Change the Channel Group for use Squelch Level Adjust the squelch level of the received signal level 0 9 the smaller the number the easier it is to receive weak signals TX Time Limit Sets the maximum time of each transmission PTT Follow When this option...

Page 49: ...press Edit channel and edit the frequency and memory settings to set your frequency Add a GMRS frequency Create a new frequency list in a new Group then press Enter button to the channel list press up or down keys to select channel number press Edit button to edit the frequency Press GMRS Channel to select the Channel then press Edit channel to set your frequency If you add a GMRS frequency all th...

Page 50: ...re three levels High Mid Low to choose from High is the most sensitive level Keep Connected Turning on this option means that the connection to the Bluetooth SCO will not be disconnected and the startup speed can be increased but prevents the Bluetooth headset to not be able to play music when in this mode Tone Turn on or off the keyboard beep Display Setting Brightness Adjust the screen brightnes...

Page 51: ...en press the orange key twice OR select Pairing in the menu to enter the pairing state A BEEP will be heard and red green light flashing means the radio is now in pairing status Turn on the Bluetooth speaker mic double click the PAIR key to enter pairing status The headset icon will be displayed in the toolbar when pairing is successful 3 Connect a Bluetooth headset universal version Open the app ...

Page 52: ...H COM AND MIKLOR COM FOR DOWNLOADS AND HELP 52 No matter which Bluetooth device is connected the need to enter the pairing state To view the status of the paired device please check the connection management of the APP ...

Page 53: ...ing the alarm state you can press any key to mute the alarm message and the alarm state will be released after 3 minutes Refer to next page for description of NOAA WX Alerts Reset Procedure In standby mode press and hold the top button P1 and the button P2 below the PTT at the same time to restore the factory settings Remember to backup all data and settings before performing a reset This will rem...

Page 54: ...rt to play audio for those in alert mode For receivers which are not in alert mode and already playing the NOAA broadcast you will hear 8 seconds of the 1050 Hz tone followed by the message The alert message will play twice before the station returns to normal broadcast and that will now include any alert information Tornado Watch Tornado Warning Severe Thunderstorm Watch Severe Thunderstorm Warni...

Page 55: ...e to Send See Page 47 Call Call other members of your group See Page 47 Check Check location of your group members and allow other to check your location See Page 47 Nearby People Show nearby members of your group See Page 47 Signaling Settings Identification Information ID Text Input Send ID ON Checked OFF Not checked Position Send ON Checked OFF Not checked Allow Check ON Checked ...

Page 56: ...e ON Checked Off Not checked Power Set TX Power level High Low Channel Group Select Channel Group 01 to 06 Squelch Level Set Required Signal Level to Receive 0 Open Squelch 9 Strong Signal Needed TX Time Limit Set Maximum TX Time 10 Seconds to 300 Seconds Unlimited No Timer use with caution PTT Follow Used with Sub Band on See Page 28 or 48 for explanation Tail Elimination Remove noise burst at en...

Page 57: ...phone Sensitivity Med High BT Mic Gain Low Sets Level of Bluetooth Microphone Sensitivity Med High Keep Connected Keep Bluetooth Device Connected ON Checked OFF Unchecked Tone Beep when key is pressed ON Checked OFF Unchecked Display Settings Brightness Sets the display brightness 1 Dim 15 Brightest Screen Timeout Timer to leave screen active 3 Seconds to 5 Minutes or Never shut off display ...

Page 58: ...e Bluetooth Pairing ON Checked OFF Unchecked Turns off once pairing is completed NOAA WX Scan Scan of nearby NOAA Stations WX Channel Manually select NOAA Channel WX Alert Turn on Weather Alerts Check to activate WX Monitor Listen to Local NOAA Station Check to turn on GPS Status Shows GPS Information Compass Calibrate Compass Status Shows Various Radio Info ...

Page 59: ...team Nearby People Show People nearby you Show a map with locations of nearby people Device Settings Volume Set volume level of radio Squelch Level MON to 10 Open Squelch MON to Tight Squelch 10 Device Speaker Auto Auto select either earpiece or speaker On Speaker On Off Speaker Off General Settings WX Mode Off Disable NOAA reception Monitor Monitor NOAA Broadcast ...

Page 60: ...TX off delay Off 0 1sec to 1 sec in 0 1 sec steps PTT Follow Used with Sub Band on See Page 45 for explanation Tail Elimination Remove noise burst at end of signal reception Slider on to right Slider off to left Audio Relay Record the received voice and then re transmit it the recording time is limited to 30 seconds When you turn on this feature you will hear repeated voices please be cautious Mic...

Page 61: ...Phone Mode Call Mode Keep Headset Connected Automatically detect when head set is plugged in Tone Turn on off radio beep Power Saving Mode On Off Reset Settings Clear all user settings Factory Data Reset Return Device to factory default settings CAUTION This will clear ALL user settings Connection Management SCAN Start Start Frequency of scan range End Stop Frequency of Scan Range Start Scanning ...

Page 62: ...ramming for P1 P2 P3 Set user desired functions to P1 P2 P3 on Radio Description of options at end of this Appendix Refer to page 32 for button layout Firmware Version Shows FW revision number Battery Shows Battery Voltage Wireless PTT Power Shows Wireless PTT module battery level Contact Us Contact Information for BTech opens web browser In APP User Manual Opens browser to online user manual In A...

Page 63: ... 8 Channel Manager Add Delete Channels Channel Group Manager Import or Create New Channel Groups Offline Maps Satellite Google Download Maps Terrain Google Terrain OpenTropoMap Simple Mode Place User Interface in Simple Mode Limit number of available functions Keep Screen On On Off Keep Phone screen on Save Voice History On Off Microphone Gain Low Set Microphone Sensitivity Medium ...

Page 64: ...peed of Morse Code 1 200 words per minute Morse Code Pitch Set sidetone pitch 320 to 3000 Hertz Speed Set Characters per minute 10 500 cpm DTMF CPS Version About CPS Privacy Policy Open Source License P1 P2 P3 Functions Disable Turn off all functions for this button Alarm Turn on Emergency Alarm does not function on REPT channels Alarm and Mute When Alarm is ...

Page 65: ...k Around Turns On Off Talk Around Toggle TX Enable Turn Channel TX Enable On Off Transmit Power Switch Switches TX power to High or Low FM Radio On Off Turns FM Radio Reception On Off Prev Channel Move one channel lower Previous Next Channel Move to Next higher channel T Call Activate 1750 Hz Tone Burst PTT Set this button as PTT on Main Band Sub PTT Set this button as PTT ...

Page 66: ...5 D073N 016 D074N 017 D114N 018 D115N 019 D116N 020 D122N 021 D125N 022 D131N 023 D132N 024 D134N 025 D143N 026 D145N 027 D152N 028 D155N 029 D156N 030 D162N 031 D165N 032 D172N 033 D174N 034 D205N 035 D212N 036 D223N 037 D225N 038 D226N 039 D243N 040 D244N 041 D245N 042 D246N 043 D251N 044 D252N 045 D255N 046 D261N 047 D263N 048 D265N 049 D266N 050 D271N 051 D274N 052 D306N 053 D311N 054 D315N 05...

Page 67: ...092 D631N 093 D632N 094 D645N 094 D645N 095 D654N 096 D662N 094 D645N 097 D664N 098 D703N 099 D718N 100 D723N 101 D731N 102 D732N 103 D734N 104 D743N 105 D754N 106 D023I D023I 107 D025I 108 D026I 109 D031I 110 D032I 111 D036I 112 D043I 113 D047I 114 D051I 115 D053I 116 D054I 117 D065I 118 D071I 119 D072I 120 D073I 121 D074I 122 D114I 123 D115I 124 D116I 125 D122I 126 D125I 127 D131I 128 D132I 129 ...

Page 68: ...6I 165 D351I 166 D356I 167 D364I 168 D365I 169 D371I 170 D411I 171 D412I 172 D413I 173 D423I 174 D431I 175 D432I 176 D445I 177 D446I 178 D452I 179 D454I 180 D455I 181 D462I 182 D464I 183 D465I 184 D466I 185 D503I 186 D506I 187 D516I 188 D523I 189 D526I 190 D532I 191 D546I 192 D565I 193 D606I 194 D612I 195 D624I 196 D627I 197 D631I 198 D632I 199 D645I 200 D654I 201 D662I 202 D664I 203 D703I 204 D71...

Page 69: ...05 77 0 06 79 7 07 82 5 08 85 4 09 88 5 10 91 5 11 94 8 12 97 4 13 100 0 14 103 5 15 107 2 16 110 9 17 114 8 18 118 8 19 123 0 20 127 3 21 131 8 22 136 5 23 141 3 24 146 2 25 151 4 26 156 7 27 159 8 28 162 2 29 165 5 30 167 9 31 171 3 32 173 8 33 177 8 34 179 9 35 183 5 36 186 2 37 189 9 38 192 8 39 196 6 40 199 5 41 203 5 42 206 5 43 210 7 44 218 1 45 225 7 46 229 1 47 233 6 48 241 8 49 250 3 50 ...

Page 70: ...adio ONLY 136 174MHz RX Only 400 520MHz RX Only GMRS Channel RX TX Memory Channel 30 Channels 6 Groups Frequency Stability 2 5ppm Antenna impedance 50 ohm Operating temperature 20 60 Operating voltage 7 4V Battery capacity 2600 mAh Charging port USB TYPE C Size 58 W x125 H x35 D mm Weight Radio Body 150g battery 120g ...

Page 71: ...Audio response 1 3db 0 3 3khz 1 3db 0 3 2 55khz Modulation distortion 3 Receive Specifications Sensitivity 12dB SINAD 0 20μV 0 22μV Adjacent channel selectivity 70db 65db Intermodulation 65db 60db False signal response 70db 70db Audio response 1 3db 0 3 3khz 1 3db 0 3 2 55khz Signal to noise ratio 45db 40db Modulation distortion 3 Audio output power 2W Note All specifications are subject to change...

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