Why Choose Radioddity GD-77?
Radioddity GD-77, as a DMR with Dual Band and Dual Time Slot, is ready to meet our customer’s various needs. Featuring 5 W High Power Output, Dual Band, Dual Time Slot, a 2200 mAh Battery, GD-77 is trying to come out as the most cost-effective DMR on the market, with both solid construction in hardware and easy programming in software.
Radioddity GD-77 can solve the problem that when you might want to stay in touch with your fellows but a cell phone wouldn’t be the best option. The scenes to be used are varies—outdoor activities, school, construction sites, property management, business occasions, hotel, hospital, etc. Radioddity GD-77 enables a quick response to any situation with a crystal clear sound and you can use it when you need timely coordination or constant communication.
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.
Supports Digital & Analogue Mode：
As a radio operating under DMR system, Radioddity GD-77 is perfectly compatible with both digital and analogue mode. It can smoothly turn from one into the other.Radioddity GD-77 can communicate with Motorola DMR Radios, it can also support DMR repeater function: both DMR Tier I and Tier II.
Dual Time Slot
DMR Tier II covers licensed conventional radio systems, mobiles and hand portables. Normally, common DMR radio only operates dual time slot function through repeater. To Radioddity GD-77, except that it communicates with Motorola DMR Radios, it also can operate Dual time slot function with keypad directly. When using Group Calls, tier I or tier II can be operated separately.
Dual Band, Frequency Range in VHF/UHF
The GD-77, the Dual band radio, features two frequency settings, VHF (136-174Mhz) and UHF (400-470Mhz). This operation can be one of many types of transmission and reception arrangements depending on the capabilities of the individual radio. The GD-77 was designed to allow for long range communications among individuals including engineers, scientists, emergency communications and amateur radio enthusiasts.
Two Customizable Side Keys
Under the PTT button there are 2 side keys on GD-77. You can use programming software to customize them as hot keys based on your needs—Emergency On/Off, Scan On/Off, VOX On/Off, Repeater/Talk around, Zone select, etc (Up to 20 options). Once set, those features can be easily achieved when you long press or short press the side keys.
Ease of Use
We replaced traditional charger to USB port and a charging adapter which leads to more convenient charging way—Compitable with different adapter in different countries.
Radioddity GD-77 has 1024 Channels, which could be written as digital channel, or analog channel. It can customize the amount of digital or analog channels on programing software. More conveniently, more functions can be operated with keypad. Like editing the name of channel, launching a channel, receiving frequency and choosing the time slot. Moreover, we also can use keypad to set hiding or showing the frequency and the amount of channel on screen.
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.
Software is available in a beginner mode and with an expert mode upon request designed for Amateurs/Hams (Password needed) with extended features.
Frequency/ID displayed on the screen: You can choose whether to display the frequency or ID on the screen via keypad setting.
Digital and Analogue Mode Convert: Please kindly note that Digital/Analogue Mode can only be turn ON/OFF via programming software.
Point to Point repeater function: You can use separate time slot in Group Calls.
Two Customizable Side Keys
Under the PTT button there are two side keys on GD-77. You can use programming software to customize them as hot keys based on your needs—Emergency On/Off, Scan On/Off, VOX On/Off, Repeater/Talk around, Zone select, etc (Up to 20 options). Once set, those features can be easily achieved when you press and hold or press and release the side keys.
Up to 5KM (3 Miles) Talking Range
Although GD-77 is only 3CM in body thickness, the talking range can be as far as 5KM (3 Miles) under most circumstances. There are other factors that affect the range of a two-way radio too such as weather, exact frequency used, and obstructions.
Please note that extended transmit time may lead excessive heat, affecting the battery lifespan.
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