background image

 

15 

 

distance of 2.5cm must be maintained when held-to-face, and body-worn operations are restricted to the approve doriginal acessories. 

Cet EUT est conforme aux normes SAR pour les limites d’exposition contrôlée de la norme IC RSS-102 et a été testé conformément aux 

méthodes et procédures de mesure spécifiées dans les normes IEEE 1528 et IEC 62209. Cet équipement doit être installé et utilisé à une 

distance minimale de 2,5 cm. être maintenu face à face, et les opérations portées sur le corps sont limitées aux accessoires d'origine 

approuvés. 

 

 
 

Appendix B. – Technical Specifications 

General  Part  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frequency Range 

 

 

136-174&400-470MHz   

(EU Professional version)

 

                                                        144-146&430-440MHz   

(EU Amateur version) 

             

                                                        136-174&400-480MHz   

(USA Professional version)   

                                                        138-174&400-470MHz   

(Canada Professional version)

 

Working temperature   

 

-10

 to +40

 

Operation Voltage 

 

 

DC 7.4 V ±10% 

Antenna Impedance   

 

50ohm 

Duty cycle   

 

 

 

5/5/90% 

Transmitter Part                                                                                                           

RF Output Power  

 

 

≤5 W /1W     

FM Modulation   

 

 

[email protected] /(Only EU Version)16K0F3E@25KHz   

4FSK Digital Mode 

 

 

[email protected] (Date only) 

                                                        [email protected] (Date +Voice)                     
Spurious Emission 

 

 

-36dBm

1GHz

 -30dBm

1GHz 

Adjacent Channel Power 

 

60dB @ 12.5KHz 

Receiver Part                                                                                                       

 

Receive Sensitivity 

 

 

0.25μV (12dB SINAD) 

Channel spacing                              12.5KHz 
Adjacent Channel Selectivity  

≥55dB   

Inter Modulation and Rejection 

≥55dB   

Conducted Spurious Emission 

≤-57dB   

Rated Audio Power Output   

1W @16 ohms 

Rated Audio Distortion  

 

≤5% 

NOTE:

 

All specifications may be modified without prior notice or liability.   

 

Summary of Contents for MD-750

Page 1: ...MD 750 User manual...

Page 2: ...mode switching 3 Digital calling 10 3 1 Group call 3 2 Full call 3 3 Single call 4 Emergency alarm Digital alarm 5 Data command 5 1 short message 5 2 Call alert 5 3 radio detection 5 4 Remote monitor...

Page 3: ...ress and release again the function is turned off VFO MR key P2 key In the main interface switch VFO mode and channel mode A B button P1 button In the main interface switch the primary secondary chann...

Page 4: ...er main interface of analog mode short press key to pop up DTMF dial code box At this time you can manually input DTMF code After input press PTT to start DTMF dialing function D Under the input metho...

Page 5: ...and the frequency difference can be set in the walkie talkie configuration of the menu item Talkaround function in the different frequency mode enter the menu setting to display the icon when the netw...

Page 6: ...ton to delete or return press the OK button to choose corresponding operation Press PTT to call the single call contact for dialing up to 16777214 16777215 full call number Message Inbox Inbox List xx...

Page 7: ...o switch between normal phase N and reverse phase I You can also manually input non standard CTCSS DCS by keyboard press OK key to confirm press BACK key to return Only support analog mode R CTC DCS C...

Page 8: ...d when receiving effectively Press PTT to talk to the other party Single Wait The upper and lower channels are switched by the keyboard The radio works on the main channel and the secondary channel ca...

Page 9: ...off and it can be turned off when it is currently on When On is selected the radio can only be turned on by entering the correct password and pressing OK Change the power on password you can enter a...

Page 10: ...5K 5 0K 6 25K 10K 12 5K 25K 30K 50K In frequency mode press the up and down keys to adjust the frequency step value and the frequency mode scans in this step Ch Type Options analog digital Switch bet...

Page 11: ...wer If there is no voice activity within the predetermined time period the call is terminated 3 2 All call All call is a call made by an individual walkie talkie to all walkie talkies on the channel I...

Page 12: ...s the group call number local alarm And wirelessly send alarm commands alarm mode emergency alarm or emergency alarm W call or emergency alarm w voice to follow can be set Press set as emergency off o...

Page 13: ...the one call contact or press on the home screen to enter the one call number select Intercom Wake Up press OK to start and successfully display Intercom Wake up successfully failure display Intercom...

Page 14: ...e as follows Basic menu suspend time message Scan scan switch scan list Contact call prompt edit manual dialing interphone detection remote monitoring interphone activation interphone remote control o...

Page 15: ...that can possibly cause interference with other devices or systems To avoid such interference turn off the radio in areas where signs are posted to do so DO NOT operate the transmitter in areas that...

Page 16: ...EU Professional version 144 146 430 440MHz EU Amateur version 136 174 400 480MHz USA Professional version 138 174 400 470MHz Canada Professional version Working temperature 10 to 40 Operation Voltage...

Reviews: