GD-77 Dual Band DMR Digital Radio Analog Transceiver

Original price was: $180.00.Current price is: $144.00.

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Radioddity GD-77 UHF VHF Dual Band DMR Digital Radio Analog Walkie Talkie

It is compatible with MOTOTRBO™  DMR Tier I and II Digital Radio.

Radioddity GD-77 is the dual band dual time slot two-way radio with an affordable price.  Its strong case, high battery capacity and long working and standby time make it perfect for outdoors activities and constructional use

Main Features:

Frequency band:

VHF 136-174MHz, UHF 400-470 MHZ and 1024 channels, which provide you more choices in frequency when you transmit/receiver/talk to your partners/friends/fellow.

High Capacity Battery

guarantee a long-time working up to 18 hours as well as 48 –hour standby time. (which is 30% longer than the MD-380). Also the Dual band high gain antenna promote a crystal clear sound.

Different Programming 

Software for you to choose from: 2 versions of programming software: one for advanced feature user and one for beginner user. The software file contains a detailed English instruction for procedure to install Prog Cable and driver for different Windows System (WIN7/10) and software.

Free download on


  • Audiopower:1W
  • Analog sensibility:0.2μV at 12dB SINAD
  • Digital sensibility:0.25uV (BER:5%)
  • Adjacent channel selectivity:≤-60dB at 12.5KHz
  • Co-channel rejection:≥65dB
  • Spurious response:≥70dB
  • Audio response:+1~-3dB
  • Rated audio distortion:<5%
  • Modulation noise: ≥45dB at 25KHz /≥40dB at 12.5KHz


  • Power High/ Low:5/1W
  • Transmit current: Analog≤1.6A Digital≤0.9A
  • Standby current:0.15A
  • FM modulation mode:11K0F3E at 12.5KHz  14K0F3E at 20KHz 16K0F3E at 25KHz
  • 4FSK digital mode:12.5KHz Data only:7K60FXD  12.5kHz Data and voice:7K60FXW
  • Modulation distortion:<5%
  • Hum and noise: ≥45dB at 25KHz /≥40dB at 12.5KHz
  • Adjacent channel power: ≤-60dB at 12.5KHz
  • Audio response:+1~-3dB
  • Antenna port spurious:9KHz-1GHz:  ≤-36dBm 1GHz-12.75GHz:  ≤-30dBm
  • Digital protocol: ETSI-TS102 361-1, -2, -3

Other Functions:

  • Programmable CTSS/DCS
  • Squelch
  • Buy Lock
  • TOT
  • VOX
  • Encrypt
  • Power Save
  • Keypad lock
  • Backlight
  • Password Lock
  • Radio ID
  • Scan
  • Up to 250 zones
  • Busy Lock
  • Message
  • Digital and Analogue Mode
  • Contact
  • Emergency Alarm

Package Content:

1 X GD-77 DMR Digital Radio

1 X Dual Band High Gain Antenna

1 X Belt Clip

1 X Desktop Charger

1 X Battery

1 X Manual

1 X Programming Cable

Weight 0.8 kg
Dimensions 200 × 180 × 80 mm


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