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Radioddity GD-77BB Dual Band Dual Time Slot DMR Inverted Display Digital Walkie Talkie

Radioddity R8 0.5W UHF 446 Mhz 8 Channels GMRS FRS EU Two-way Radio Walkie Talkie Gift for Kid


  Home >> Brand of Radio >> Radioddity >> Radioddity >> GD-77 UHF VHF Dual Band DMR Tier II Dual Time Slot Digital/Analog Two Way Radio Ham Walkie Talkie

GD-77 UHF VHF Dual Band DMR Tier II Dual Time Slot Digital/Analog Two Way Radio Ham Walkie Talkie [Comments(0)|Leave your Comment]
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Radioddity GD-77 UHF VHF Dual Band DMR Dual Time Slot Digital/Analog Two Way Radio Ham Walkie Talkie

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.

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

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: 5W/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

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

If bulk order, please contact Ms. Amy Huang:

Tel: 86(592)5995025

Fax: 86(592)3720556

SKYPE: amy.446shop

WhatsApp: 86-13860123881


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