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Radioddity GD-77 DMR Dual Band Digital Dual Time Slot Two Way Radio+Programming Cable&CD + Extra Battery

Radioddity GD-77 DMR +Programming Cable&CD + Extra Battery
SKU: 28-020-K93*RO

Regular Price: $109.99

Special Price $99.99

Availability: In stock

Dual Band & Dual Time Slot: VHF 136-174MHz, UHF 400-470 MHZ; GD-77 has both Tier I & II and is compatible with Motorola and other DMR radios.
High Capacity Battery: Up to 18 hours working time as well as 48 hours standby time, which is 30% longer than MD-380.
USB Port Charger: We replaced traditional charger to USB port which allows you to charge it with car charger adapter (12V).
More operations available via keypad: Channel name, TX & RX frequency of a channel, display or hidden frequency, channel number etc., all these can be modified through the keypad.

Regular Price: $109.99

Special Price $99.99

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Regular Price: $109.99

Special Price $99.99


About 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 HT on the market, with both solid constructing in hardware and easy to use programming software.

When will you need this?

GD-77 enables you to keep in touch with others when mobile phones are not able to function.  It is multifunctional — can be used in outdoor activities, school, construction sites, property management, business occasions, hotel, hospital, etc. Radioddity GD-77 can deliver a quick response in any situation with crystal clear sound and you can use it when you need timely coordination or constant communication.


1. Software is available in a beginner mode and with an expert mode upon request designed for Amateurs/Hams (Password needed) with extended features.
2. Frequency/ID displayed on the screen: You can choose whether to display the frequency or ID on the screen via keypad setting.
3. Digital and Analogue Mode Convert: Please kindly note that Digital/Analogue Mode can only be turn ON/OFF via programming software.
4. Point to Point repeater function: You can use separate time slot in Group Calls.

    Programmable CTSS/DCS
    Buy Lock
    Password Lock
    Radio ID
    Up t0 250 zones
    Busy Lock
    Emergency Alarm

More details:
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.

Package Content:
1 x GD-77 DMR Digital Radio
1 x Dual Band High Gain Antenna
1 x Belt Clip
1 x Desktop Charger
2 x Battery
1 x User Manual
1 x Programming Cable+CD Software


Customer Reviews 6 item(s)

6 Item(s)

Amazing Value
Amazing Value!
Nice Audio!
Review by VA7CNN /
OK on TDMA but not working in Tier1
This radio did not work on Tier 1 nor did it receive a tier 1 signal. Example is a TRX-1 scanner as a receiver. and a baofeng dm-5r works between another dm-5r and the trx-1 but did not work with the DM-5r
Review by chris451 /
GOOD but problems with software
I got one yesterday... MAIN PROBLEM: Enclosed software seems to be ok but when trying to upload frequencies and configurations, it sends to the rig but frequencies remain unchanged. ( dont write them to the WT) software also shows a POP UP error all the time ( tested in several computers)..
Review by EC1AME Fer /
I have an Elk Dual Band antenna at 55 feet and using my GD77 I was able to connect with a DMR Repeater that is approximately 40 miles form my location. Amazing!
Review by Robert /
Great value for a Dual Band DMR
This review is for the Radioddity GD-77 2 Slot DMR HT
The radio arrived to my via DHL shipping from overseas. The radio box was covered in a yellow type-shipping envelope. Opening that shows a nicely done box with the typical pictures and radio information. Now time for the surprise of opening the box to find the radio nicely tucked in a clear package bag and same with the antenna, belt clip, battery, and desktop charger. Putting things all together is a SMA male dual band antenna, like Yaesu uses. On attaching the belt clip, I was not impressed with the clip ruggedness. The belt clip bent on me on the 1st day of using. So adding a name brand belt clip in my opinion is recommended. The battery label shows as 7.4V/2200mAh Li-ion. I personally think the battery is not accurate for the size, but the battery does last all day on a charge. The desktop charger is ok made and actually funny, for your Tytera MD-380 users it will charge the GD-77 battery. Therefore, it is almost identically the same as the MD-380 charger.
The exterior of the radio.
The radio itself has a nice construction feel. Granted it is a plastic case, but has comfortable feel to it. The on/off and volume knob is on top solo. There is no channel selector knob available, which I was not a fan of. You have to use the arrow keys on the keypad. The Keypad itself is a three-rowed zero through nine with the zero on the right middle.
On the side of the radio is a single ptt button. No dual switch ptt with this radio. Two programmable buttons are below the PTT which are nicely large for ease of use and one small orange button on top of the radio can be programmed through the software to your liking of choice. The orange top button to me with large fingers is difficult to use as the button is very close to the antenna. Overall, the programmable buttons are a nice touch. On the other side of the radio antenna side the the location for an external speaker mic and programming cable. The radio itself uses the 2-prong Kenwood style speaker mic so that is a nice feature for the multi radio user. Easy interchangeable from one radio to anther for like Tyt, Kenwood, and the Baofeng etc. No special mic needed.
Using the radio
The radio itself does not have a Part 90 or even Part 97 certification label on the radio. So public business radio users you are out of luck. The radio does not have any program on the fly features and all programming is done through software.

Overall this radio is a good purchase for the DMR users. It does have some flaws, but I believe that with some firmware upgrades this radio would make a good dual band option that has both the DMR and analog options.
This review radio was donated by Radioddity for exchange for a test/trial and review purposes.
Review by KC9LOX /
I want to get one
I can't wait to by mine I plane on buying 2 of them from you guys when I get the money
Review by Fred /

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