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UHF 400-480mhz Digital Mobile Radio VHF 134-174MHz 2W 8Km Audio Transceiver Module

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UHF 400-480mhz Digital Mobile Radio VHF 134-174MHz 2W 8Km Audio Transceiver Module

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Brand Name : Lensen

Model Number : LS-DMR828

Place of Origin : China

MOQ : 2pcs

Price : Negotiation

Payment Terms : T/T, Western Union

Supply Ability : 6000pcs/month

Delivery Time : 2-6days

Packaging Details : standard carton

Power output : 2W

Frequency : VHF/UHF

Distance : 8km LOS

Interface : RS232/RS485/TTL

Baud rate : 1200bps/2400bps

Application : marine

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UHF 400-480mhz Digital Mobile Radio VHF 134-174MHz 2W 8Km Audio Transceiver Module

Features

  • UHF band frequency: UHF 400-470mhz / VHF 134-174MHz / 320-390MHz

  • Distance up to 8Km

  • Max power output to 2W

  • low power to 0.5W

  • High Sensitivity:-124dBm

  • Bit error rate down to 1% under -121dBm

  • Independent frequency for Tx and Rx

  • Bandwidth: 12.5 / 25 KH

  • Voice and text messages communication

  • Reminder for input calling, calling status checking

  • DMR /Analog walkie talkie

  • Message transmission and reception

  • Built-in EEPROM, data saved even powered off

  • 1ppm TCXO crystal

  • 51 CTCSS

  • 166 CDCSS

  • 9 adjustable volume

  • Enhanced encryption of Voice and Text message

Application

  • Small professional walkie talkie
  • Invisible intercom system
  • Building community security system
  • Sport products
  • Handheld / Pocketable device
  • Audio surveillance system

Pin Definition

Pin No. Signal Name Definition Description Remarks
Power 1 VCC DC12V±10% Maximum transmission current: 1.5A
2 GND Grounding of power supply
Signal base 1 GND Grounding of power signal
2 A(TXD) Data receiving TTL TX / RS232 TX / RS485－A Choose one
3 B(RXD) Data transmitting TTL RX / RS232 RX / RS485－B
4 NC
5 DGND Grounding of Signal
6 PTT Audio transmitting control
7 MIC IN Microphone input control
8 SPEAKER OUT Speaker output control
9 TEST Factory testing

Pin Definition

Pin No. Signal Name Definition Description Remarks
Power 1 GND

Grounding of power supply
2 VCC DC12V±10% Maximum transmission current: 1.5A
Signal base 1 RxD (TTL) Data receiving of TTL
2 A(TXD) Data receiving RS232 TX / RS485－A Choose one
3 B(RXD) Data transmitting RS232 RX / RS485－B
4

TxD

(TTL)

 Data Transmitting of TTL
5 DGND Grounding of Signal
6 PTT Audio transmitting control
7 MIC IN Microphone input control
8 SPEAKER OUT Speaker output control
9 TEST Factory testing

UHF 400-480mhz Digital Mobile Radio VHF 134-174MHz 2W 8Km Audio Transceiver Module


Product Tags:

digital audio module

      

wireless audio transceiver module

      
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