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Federal Communication Commission Interference Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses 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 turning the equipment off and on, the user is encouraged to try to correct the interference by
one of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help

FCC Caution:

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate

this equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

IMPORTANT NOTE:
Radiation Exposure Statement

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and
operated with minimum distance 38 cm between the radiator & your body.

Appendix A

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Содержание ENH900EXT

Страница 1: ...User Manual Business Solutions Dual Band Long Range Wireless N900 Outdoor Access Point ENH900EXT version 1 1 ...

Страница 2: ...2 IMPORTANT To install this Access Point please refer to the Quick Installation Guide included in the product packaging ...

Страница 3: ...ng Tree Protocol Setting 38 Chapter 7 2 4 GHz 5 GHz Wireless 39 WirelessSettings 40 2 4 GHz 5 GHz Wireless Network 41 2 4GHz 5 GHz SSID Profile 43 Wireless Security 44 Wireless MAC Filtering 45 Wireless Advanced 46 WPS Mixed Enterprise AP WDS AP Mode 47 Fast Roaming 48 WDS Link Settings 49 2 4GHz Mesh Link Settings 50 Guest Network Settings 51 Chapter 8 Management 52 Management VLAN Settings 53 Wi...

Страница 4: ...4 Chapter 1 Product Overview ...

Страница 5: ...s or injectors Fast Transition and Handover between Access Points Band Steering shifts client devices to a proper frequency band for getting more bandwidth and speed under an Access Point Secured Guest Network option available Introduction The ENH900EXT is a high powered long range 3x3 Dual Band Wireless 802 11a b g n Outdoor Access Point with speeds up to 450 Mbps on both its high powered 2 4 GHz...

Страница 6: ...nsmit power and features settings for selecting narrow bandwidth and traffic shaping The ENH900EXT also supports wireless encryption including Wi Fi Protected Access WPA PSK WPA2 PSK Encryption and IEEE 802 1X with RADIUS System Requirements The following are the Minimum System Requirements in order to configure the device Computer with an Ethernet interface or wireless network capability Windows ...

Страница 7: ...nt 3 detachable 5 dBi 2 4 GHz Omni directional Antenna 3 detachable 7 dBi 5 GHz Omni directional Antenna Power Adapter 48V 0 8A PoE Injector EPE 48GR Grounding Cable Pole Mount Bracket Wall Mount Base Mounting Screw Set Quick Installation Guide all items must be in package to issue a refund ...

Страница 8: ...o Reboot Obey Regulatory Power Standard IEEE802 11a n on 5 GHz IEEE802 11b g n on 2 4 GHz IEEE802 3at Antenna 6 External N type Antenna 3 x detachable 5 dBi 2 4 GHz Omni directional Antennas 3 x detachable 7 dBi 5 GHz Omni directional Antennas Physical Interface 2 x 10 100 1000 Gigabit Ethernet Port with PoE support LAN1 Port IEEE802 3at PoE Input LAN2 Port IEEE802 3af PoE Output Both Ethernet Por...

Страница 9: ...ondensing 90 or less Storage Temperature 22 F to 176 F 30 C to 80 C Humidity non condensing 90 or less RF Specification Aggregated Value Channel Data Rate Tx Power Rx Sensitivity 802 11b 2 4GHz 1Mbps 29 96 2Mbps 29 95 5 5Mbps 29 93 11Mbps 29 92 802 11g 2 4GHz 6Mbps 28 94 54Mbps 25 75 802 11a 5GHz 6Mbps 29 94 54Mbps 24 75 802 11n HT20 2 4GHzx MCS0 8 16 29 95 MCS7 15 23 24 70 802 11n HT40 2 4GHz MCS...

Страница 10: ...GHz Antennas Detachable 7 dBi 5 GHz Omni directional 3 LAN Port 1 802 3at PoE Input Ethernet port for RJ 45 cable 4 LAN Port 2 802 3af PSE Output Ethernet port for RJ 45 cable 5 LED Indicators LED lights for Power LAN Port 1 LAN Port 2 2 4 GHz Connection and 5 GHz Connection 6 Ground 7 Mounting Holes Using the provided hardware the ENH900EXT can be attached to a wall or pole 1 6 7 1 2 2 3 4 5 ...

Страница 11: ...11 Chapter 2 Before You Begin ...

Страница 12: ...r system 1a Click the Start button and open the Control Panel 1b Move your mouse to the lower right hot corner to display the Charms Bar and select the Control Panel in Windows 8 OS 1c In Windows 10 click Start to select All APPs to enter the folder of Windows system for selecting Control Panel Computer Settings Windows XP Windows 7 Windows 8 Windows 10 ...

Страница 13: ...he Network and Internet section then select Change adapter settings 3 RightclickonLocalAreaConnectionandselectProperties 4 Select Internet Protocol Version 4 TCP IPv4 and then select Properties 5 Select Use the following IP address and enter an IP address that is different from the Access Point and Subnet mask then click OK ...

Страница 14: ...14 Note Ensure that the IP address and Subnet mask are on the same subnet as the device For example Access Point IP address 192 168 1 1 PCIPaddress 192 168 1 2 192 168 1 255 PC Subnet mask 255 255 255 0 ...

Страница 15: ...ion 3 Highlight Ethernet 4 In Configure IPv4 select Manually 5 Enter an IP address that is different from the Access Point and Subnet mask then press OK Note Ensure that the IP address and Subnet mask are on the same subnet as the device For example ENH900EXT IP address 192 168 1 1 PCIPaddress 192 168 1 2 192 168 1 255 PC Subnet mask 255 255 255 0 6 Click Apply when done ...

Страница 16: ... connections are secure verify the following a Ensure that the POWER light is on it will be green b Ensure that the 2 4 GHz 5 GHz WLAN light is on it will be green for both 5 GHz and 2 4 GHz c Ensure that the LAN Computer ENH900EXT Connection light is on it will be green d Once all three lights are on proceed to set up the Access Point using the computer This diagram depicts the hardware configura...

Страница 17: ...the ENH900EXT can be attached to a wall or a pole 3 Pipe 63 5 D x 12 7 mm 2 5 D x 0 5 4 Tool 20 D x 6 mm 0 79 D x 0 24 5 Screws 6 5 D x 9 95 mm 0 26 D x 0 39 2 Pole Mount Kit 140x112x33 mm 5 51 x 4 41 x 1 30 1 Wall Mount Kit 260x180x7 mm 10 2 x 7 09 x 0 28 ...

Страница 18: ...r locations of the mounting holes on the flat mounting surface 2 Drill a 37 mm deep 8 mm hole in the markings and hammer the bolts into the openings 3 Placethelockandflatwashersonthefourhexcapscrews and drive the screws to attach the bracket to the back of the Access Point 4 Tighten the flat washers to secure the bracket to the mounting surface 2 3 4 1 ...

Страница 19: ...ess Point 2 Drive the four round head screws to attach the Pole Mount Bracket to the bracket 3 Thread the open end of the Pole Strap through the two tabs on the Pole Mount Bracket 4 Lock and tighten the Pole Strap to secure the Pole Mount Bracket to the pole Note See diagram below for vertical and horizonal placements 1 3 2 horizontal placement horizontal placement horizontal placement 4 ...

Страница 20: ...20 Chapter 3 Configuring Your Access Point ...

Страница 21: ... 1 Open a web browser Internet Explorer Firefox Safari Chrome and enter the IP Address http 192 168 1 1 Note If you have changed the default LAN IP Address of theAccessPoint ensureyouenterthecorrectIPAddress 2 The default username and password are admin Once you have entered the correct username and password click the Login button to open the web base configuration page 3 If successful you will be...

Страница 22: ...22 Chapter 4 Building a Wireless Network ...

Страница 23: ...entral connection for stations or clients that support IEEE 802 11a b g n networks The stations and clients must be configured to use the same SSID Service Set Identifier and security password to associate with the ENH900EXT The ENH900EXT supports up to eight SSIDs per band at the same time for secure access ENH900EXT Access Point Client Client Client Client Client Client 2 4 GHz 5 GHz ...

Страница 24: ... of their internal high gain directional antennas resulting in a very cost effective solution to expand a company network over a multiple building campus ENH900EXT Access Point ENH900EXT Client Bridge ENH202 Client Bridge ENH202 Client Bridge ENH500 Client Bridge Client Client Client Client Client Client Client Client Client Client Client 2 4 GHz 5 GHz 5 GHz 2 4 GHz Switch Switch Internet ...

Страница 25: ...900EXT using WDS technology In this mode configure the MAC addresses in both Access Points to enlarge the wireless area by enabling WDS Link settings WDS supports up to four 4 AP MAC addresses ENH900EXT WDS AP ENH900EXT WDS AP 2 4 GHz 2 4 GHz 5 GHz 5 GHz Client Client Client Client Client Computer Client Computer ...

Страница 26: ...e following diagram WDS Bridge Mode can establish up to four WDS links creating a star like network Note WDS Bridge Mode does not act as an Access Point Access Points linked by WDS are using the same frequency channel More Access Points connected together may lower throughput This configuration can be susceptible to generate endless network loops in your network so it is recommended to enable the ...

Страница 27: ...ode Station mode expands the WDS by receiving a wireless signal service and sharing it through the Ethernet port ENH900EXT WDS AP on both 5 GHz 2 4 GHz ENH900EXT WDS Station ENH900EXT WDS Station ENH900EXT WDS Station ...

Страница 28: ...nder the same SSID and encryption signatures For example you would use one band to connect Access Points in range with Mesh mode and the other band to broadcast traffic on the network Client Computer Client Computer Client Computer Client Computer Client Computer Client Computer Client Computer Client Computer Client Computer Client Computer Client Computer Client Computer Client Computer ENH900EX...

Страница 29: ...Mesh SSID and security password in order to associate with other Mesh enabled ENH900EXTs instead of connecting with clients Mesh Only Mode ENH900EXT Access Point ENH900EXT Access Point ENH900EXT Access Point ENH900EXT Access Point ENH900EXT Access Point ENH900EXT Access Point ...

Страница 30: ...30 Chapter 5 Status ...

Страница 31: ...icking the Device Status link under the Overview menu shows the status information about the current operating mode The Device Information section shows general system information such as Device Name MAC Address Current Time Firmware Version and Management VLAN ID Note VLAN ID information is only applicable in Access Point or WDS AP mode The LAN Information section shows the Local Area Main Status...

Страница 32: ...wireless information such as Operating Mode Frequency andChannel SincetheENH900EXTsupports multiple SSIDs information about each SSID the ESSID and security settings are displayed Note Profile Settings are only applicable in Access Point and WDS AP modes The Statistics section shows Mac information such as SSID MAC address RX and TX ...

Страница 33: ...33 The Wireless Mesh Information 2 4 GHz section showswirelessinformationsuchasOperationMode Wireless Mode Channel Bandwidth Frequency Channel Mesh SSID and Mesh Security ...

Страница 34: ... and signal strength for each client Clicking Refresh updates the client list Note Only applicable in Access Point and WDS AP modes 2 4 GHz 5 GHz WDS Link List Click the connection link under the Overview menu This page displays the current status of the WDS link including WDS Link ID MAC Address Link Status and RSSI Note Only applicable in WDS AP and WDS Bridge modes Connection ...

Страница 35: ...tor the 2 4GHz Mesh Link List under the status menu The page will display the current status of the Mesh Links under the Mesh AP mode and Mesh nodes under the Mesh Only mode Note Only Applicable in the Mesh AP and Mesh Only mode ...

Страница 36: ...36 Chapter 6 Network ...

Страница 37: ...ress field or be obtained automatically when the device connects to a DHCP server IP Address The IP address of this device Subnet Mask The IP Subnet mask of this device Gateway The Default Gateway of this device Leave it blank if you are unsure of this setting Primary Secondary DNS The primary secondary DNS address for this device Save Click Save to confirm the changes Basic IP Settings ...

Страница 38: ... Local Area Network Max Age Specifies Bridge Max Age in seconds If another bridge in the spanning tree does not send a hello packet for a long period of time it is assumed to be inactive Forward Delay Specifies Bridge Forward Delay in seconds Forwarding delay time is the time spent in each of the Listening and Learning states before the Forwarding state is entered This delay is provided so that wh...

Страница 39: ...39 Chapter 7 2 4 GHz 5 GHz Wireless ...

Страница 40: ...oadcast to other devices Band Steering Enable Band Steering to send 802 11n clients to the 5 GHz band where 802 11b g clients cannot go and leave 802 11b g clients in 2 4GHz to operate at their slower rates Band Steering works within the Access Point by directing 5 GHz capable clients to that band Save Click Save to confirm the changes Wireless ...

Страница 41: ...e wireless signal Data Rate Select a data rate from the drop down list The data rate affects throughput of data in the ENH900EXT Select the best balance for you and your network but note that the lower the data rate the lower the throughput though transmission distance is also lowered RTS CTS Threshold Specifies the threshold package size for RTC CTS A small number causes RTS CTS packets to be sen...

Страница 42: ...42 speed connections Save Click Save to confirm the changes or Cancel to cancel and return to previous settings ...

Страница 43: ...sed SSID Check this option to hide the SSID from clients If checked the SSID will not appear in the site survey Station Separation Click the appropriate radio button to allow or prevent communication between client devices VID Specifies the VLAN tag for each profile If your netowrk includes VLANs you can specify a VLAN ID for packets pass through the Access Point with a tag Wireless Security See t...

Страница 44: ...al Numbers For advanced users Key Length Select the desired option and ensure that wireless clients use the same setting Your choices are 64 128 and 152 bit password lengths Default Key Select the Key you wish to be the default Transmitted data is ALWAYS encrypted using the Default Key the other Keys are for decryption only You must enter a Key Value for the Default Key EncryptionKeyNumber Enterth...

Страница 45: ...is Disable Wireless MAC Filter Note Only applicable in Access Point and WDS AP modes ACL Mode Determines whether network access is granted or denied to clients whose MAC addresses appear in the MAC address table on this page Your choices are Disabled Deny MAC in the list or Allow MAC in the list MAC Address Enter the MAC address of the wireless client Add Click Add to add the MAC address to the MA...

Страница 46: ... wireless transmission speed used for uploading Save Click Save to confirm the changes WPA PSK WPA Pre Shared Key Encryption Encryption Select the WPA encryption type you would like Please ensure that your wireless clients use the same settings Passphrase Wireless clients must use the same Key to associate the device If using ASCII format the Key must be from 8 to 63 characters in length If using ...

Страница 47: ... how often in seconds the Group Key changes Radius Accounting Enable or disable accounting feature Radius Accounting Server Enter the IP address of the Radius accounting server Radius Accounting Port Enter the port number used for connections to the Radius accounting server Radius Accounting Secret Enter the secret required to connect to the Radius accounting server Interim Accounting Interval Spe...

Страница 48: ... Server firstly Users can enable the Fast Roaming and implement the advanced search Please also set the same enterprise Encryption under the same SSID on other Access Points and enable the Fast Roaming When the configuration is realized on different Access Point the mobile client devices can run the voice service and require seamless roaming to prevent delay in conversation from Access Point to Ac...

Страница 49: ...cess Points in the WDS network need to use the same Channel and Security settings To create a WDS network please enter the MAC addresses of the Access Points that you want included in the WDS There can be a maximum of four Access Points Note Only applicable in WDS AP and WDS Bridge modes 2 4 GHz 5 GHz WDS Link Settings Security Select None or AES from the drop down list AES Passphrase Enter the Ke...

Страница 50: ...create a mesh network please enter the Mesh SSID of the Access Point that you wish to include in the Mesh Security Select None or WPA2 PSK AES from drop down list Mesh Settings AES Passphrase Enter the key values you wish to uses Other Access Points must use the same key to establish a mesh link ...

Страница 51: ...Address The first IP Address in the range of the addresses by the DHCP server Ending IP Address The last IP Address in the range of addresses assigned by the DHCP server Fast Handover Fast Handover Enable the Fast Handover feature by ensuring that each client is served by at least one Access Point at any time Access Points continuously monitor the connectivity quality of any client in their range ...

Страница 52: ...52 Chapter 8 Management ...

Страница 53: ...one another on the LAN Note Only applicable in Access Point and WDS AP modes Management VLAN If your network includes VLANs you can enable Management VLAN ID for packets passing through the Access Point with a tag Save Click Save to confirm the changes or Cancel to cancel and return to previous settings Note If you reconfigure the Management VLAN ID you may lose your connection to the ENH900EXT Ve...

Страница 54: ...ations by the Wi Fi Alliance defines four Access Category AC_BE AC_BK AC_VI AC_VO labels in order to provide more favorable network access for applications that are less tolerant of packet delays CW CW Contention Window maintains the DCF random back off component to help avoid collisions of packets from the same access category AIFS Arbitration Inter Frame Spacing AIFS in wireless LAN communicatio...

Страница 55: ...tion of the device Community Name Read Only Specifies the password for the SNMP community for read only access Community Name Read Write Specifies the password for the SNMP community with read write access Trap Destination Address Specifies the IP address of the computer that will receive the SNMP traps Trap Destination Community Name Specifies the password for the SNMP trap community SNMPv3 Enabl...

Страница 56: ...ertext Transfer Protocol over SSL Secure Socket Layer is a TCP IP protocol used by web servers to transfer and display web content securely Email Alert You can use the Email Alert feature to send messages to the configured email address when particular system events occur Note Do NOT use your personal email address as it can unnecessarily expose your personal email login credentials Use a separate...

Страница 57: ...unt that will be used to send emails Password Enter the password for the email account that will be used to send emails SMTP Server Enter the IP address or hostname of the outgoing SMTP server Port Enter the SMTP port number to use for outbound emails ...

Страница 58: ...ically Get Date and Time and check whether you wish to enter the IP address of an NTP server or use the default NTP server to have the internal clock set automatically Enable Daylight Saving Check whether daylight savings applies to your area Start Select the day month and time when daylight savings time starts End Select the day month and time when daylight sav ings times ends Time Zone ...

Страница 59: ... Auto Reboot Setting Enables or disables the Auto Reboot function Frequency of Auto Reboot Specifies how often you wish to reboot the ENH900EXT by Min Hour Day or Week Timer Select the day and enter the time you would like to reboot automatically Save Click Save to apply the changes ...

Страница 60: ... Fi scheduler function Wireless Radio Select 2 4 GHz or 5 GHz from the drop down list for the preferred band type SSID Selection Select a SSID from the drop down list Schedule Templates Select a schedule template from the drop down list Day s Place a checkmark in the boxes for the desired days or select the All Week radio button to select all seven days of the week Duration The Start Time is enter...

Страница 61: ...e IP address you would like to search Ping Packet Size Enter the packet size of each ping Number of Pings Enter the number of times you wish to ping Start Ping Click Start Ping to begin pinging the target device via IP Traceroute Target Enter the IP address or domain name you wish to trace Start Traceroute Click Start Traceroute to begin the trace route operation Tools ...

Страница 62: ... Enables or disables the Power LED indicator LAN Enables or disables the LAN LED indicator WLAN 2 4 GHz Enables or disables the WLAN 2 4 GHz LED indicator WLAN 5 GHz Enables or disables the WLAN 5 GHz LED indicator Device Discovery This page allows you to discover devices from network for Operation Mode IP Address System MAC Address and Firmware version ...

Страница 63: ...y box Verify Password Re enter the new password in the Confirm Password entry box for confirmation Apply Click Apply to apply the changes Firmware Upgrade This page allows you to upgrade the firmware of the ENH900EXT To Perform the Firmware Upgrade 1 Click the Choose File button and navigate the OS file system to the location of the upgrade file 2 Select the upgrade file The name of the file will ...

Страница 64: ...t the ENH900EXT incorrectly you can use the Reset button in the Revert to Factory Default Settings section to restore all the configurations of the ENH900EXT to the original default settings Backup Setting Click Export to save the current configured settings Restore New Setting To restore settings that have been previously backed up click Browse select the file and click Restore Restore to Default...

Страница 65: ...ult Click Backup to backup the user settings you would like to the device s memory for the default settings Restore to User Default Click Restore to restore user settings to the factory standard settings Note1 After configuring the current settings as the default you should click the Restore to Default on the web interface for reverting the settings into the factory default instead of pushing the ...

Страница 66: ...nternal memory to log all events older events are deleted from the log When powered down or rebooted the log will be cleared Remote Log This page allows you to setup the Remote Log functions for the ENH900EXT Syslog Enables or disables the syslog function Log Server IP Address Enter the IP address of the log server Remote Log Enable or disable the remote log service Apply Click Apply to apply the ...

Страница 67: ...67 Logout Click Logout in Management menu to logout Reset In some circumstances it may be required to force the device to reboot Click on Reset to reboot the ENH900EXT ...

Страница 68: ...68 Appendix ...

Страница 69: ...y one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution Any changes or modifications not expressly approved by the party responsible for co...

Страница 70: ... Datatransmissionequipmentoperating inthe2 4GHzISMbandandusingspreadspectrummodulationtechniques HarmonizedENcoveringessentialrequirementsunderarticle 3 2 of the R TTE Directive EN301893 BroadbandRadioAccessNetworks BRAN 5GHzhighperformanceRLAN HarmonizedENcoveringessentialrequirementsofarticle3 2of the R TTE Directive EN301489 1 ElectromagneticcompatibilityandRadioSpectrumMatters ERM ElectroMagne...

Страница 71: ...d at følgende udstyr udstyrets typebetegnelse overholder de væsentlige krav og øvrige relevante krav i direktiv 1999 5 EF Deutsch German Hiermit erklärt Name des Herstellers dass sich das Gerät Gerätetyp in Übereinstimmung mit den grundlegenden Anforderungen und den übrigen einschlägigen Bestimmungen der Richtlinie 1999 5 EG befindet Eesti Estonian Käesolevaga kinnitab tootja nimi name of manufact...

Страница 72: ...iumaprovvedimenti oħrajn relevanti li hemm fid Dirrettiva 1999 5 EC Magyar Hungarian Alulírott gyártó neve nyilatkozom hogy a típus megfelel a vonatkozó alapvetõ követelményeknek és az 1999 5 EC irányelv egyéb elõírásainak Polski Polish Niniejszym nazwa producenta oświadcza że nazwa wyrobu jest zgodny z zasadniczymi wymogami oraz pozostałymi stosownymi postanowieniami Dyrektywy 1999 5 EC Português...

Страница 73: ...ds 5250 5350 MHz and 5650 5850 MHz and that these radars could cause interference and or damage to LE LAN devices Avertissement De plus les utilisateurs devraient aussi être avisés que les utilisateurs de radars de haute puissance sont désignés utilisateurs principaux c à d qu ils ont la priorité pour les bandes 5250 5350 MHz et 5650 5850 MHz et que ces radars pourraient causer du brouillage et ou...

Страница 74: ... meet regulatory RF exposure requirement External Antenna Useonlytheantennaswhichhavebeenapprovedbytheapplicant Thenon approvedantenna s mayproduceunwantedspuriousorexcessive RF transmitting power which may lead to the violation of FCC IC limit and is prohibited Installation Procedure Please refer to user s manual for the detail Warning Pleasecarefullyselecttheinstallationpositionandmakesurethatth...

Страница 75: ...ce produit doit etre installe de facon a respecter une distance de 38cm entre l antenne emettrice et les personnes Antenn externe Utiliseruniiquementlesantennesapprouveesparlefabricant L utilisationd autresantennespeutconduireaunniveauderayonnementessentiel ou non essentiel depassant les niveaux limites definis par FCC IC ce qui est interdit Procedure d installation Consulter le manuel d utilisati...

Страница 76: ... this device Ce dispositif a été conçu pour fonctionner avec une antenne ayant un gain maximal de dB 7 Une antenne à gain plus élevé est strictement interdite par les règlements d Industrie Canada L impédance d antenne requise est de 50 ohms Conformément à la réglementation d Industrie Canada le présent émetteur radio peutfonctionner avec une antenne d un type et d un gain maximal ouinférieur appr...

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