Main Features
●UHF Full-Frequency Radio
Frequency range: UHF 400.000-480.000MHz
●Digital and analog compatible
Support DMR digital and analog two communication modes to ensure that the original analog products smooth transition to digital products to meet different communication needs
●Digital signaling function
Rich calling modes that support DMR protocol, including single call, group call and all call; supports remote inhibit function and other applications
●High sound quality
This digital two-way radio uses advanced AMBE +2TM voice processing technology to achieve higher quality
●High/low power switch
5W/1W power switch, Meeting the power requirements of different call distances to save more energy
●Supports the use of repeater
●Side buttons can be customized without changing the user’s operating habits
Main technological specification
Frequency range |
UHF:400-480MHz |
Channel Capacity |
1024CH |
Channel Spacing |
12.5KHz |
Operating Temperatur |
-30℃~+60℃ |
Operating Voltage |
DC 7.4V |
Antenna Impedance |
50Ω |
Microphone Impedance |
2.2KΩ |
Battery |
Li-ion DC7.4V 1700mAh |
Dimension |
116×56×34mm ( no including antenna) |
Weight |
245g |
Transmission
Output power | High:5W Low:1W |
FM modulation |
12.5K 11K¢F3E |
4FSK digital modulation |
12.5KHz for data:7K60FXD 12.5KHz for data and voice :7K60FXE |
Vocoder type | AMBE+2TM |
Digital Protocol |
ETSI-TS102 361-1,-2, |
Harmonic |
≥70dB |
Signal-to-noise Radio(wide/narrow) |
25K≤-45 dB 12.5≤-40 dB |
Rated audio Distortion |
≥5% |
Frequency Stability |
±2.5ppm |
Max Frequency Stability |
12.5K≤-40dB |
Reception
Analog sensibility |
Analob 25K≤-121dB 12.5K≤-119dB |
Digital 0.3μV/BER5% |
|
Didital sensibility |
25K≥45 dB 12.5K≥40dB |
Adjacent channel selectivity |
25K≥65 dB 12.5K≥60dB |
Intermediation (Wide/ narrow) |
25K≥60 dB 12.5K≥55dB |
Spurious Response Rejection |
≥65 dB |
Audio power |
1W |
Audio respones |
<5% |
R |
±2.5ppm |
Battery life under 5-5-90duty |
14.8 hours(with 1700mAh Li-ion battery) |
|
Package includes
- 1 x RT71 DMR Two Way Radio
- 1 x Antenna
- 1 x Battery
- 1 x Belt Clip
- 1 x Sling
- 1 x Power Adapter
- 1 x User Manual
- 1 x Charging stand
VHF
Wouxun REVEALS the KG-UV8H Dual Band 8-watt HT Radio
Brand new from Wouxun is the KG-UV8H Handheld, which features a different screen than earlier models, an 8-watt output power, and a 3200mAH battery. L... Read more
Amateur Radio Gets a Partial Reprieve on 3.5 GHz
Pending future FCC action, amateur radio secondary use of the 3.3 – 3.45 GHz band segment may continue indefinitely. The FCC, as part of a lengthy... Read more
Dump the UV-5R and Get the GT-5R
“For years the Baofeng UV-5R has been maligned as non-compliant with FCC regulations and a real spreader of spurious emissions. Further, it woul... Read more
Best Handheld Ham Radio Under $150 – 2021
“In early 2021, these are my recommendations of the Best Handheld Ham Radios under $150.” Read more
ANYTONE AT-779UV – Dual Band Mini Mobile Radio
The Anytone AT-779UV Dual band Mobile radio is a compact rugged 25 watt mobile radio Factory pre-programmed with the Moonraker code plug including all... Read more
News
National Science Foundation Funds Creation of Research Lab at Alaska’s HAARP
A 5-year, $9.3 million National Science Foundation (NSF) grant will allow the University of Alaska Fairbanks (UAF) Geophysical Institute to establish... Read more
St. Vincent Radio Amateurs on Alert During Volcano Emergency
Donald de Riggs, J88CD, on the Caribbean island of St. Vincent, says that on April 13, the 42nd anniversary of the 1979 eruption of the La Soufriere v... Read more
Can You Cook A Hotdog With Ham Radio?
“I’ve always been facinated by the physical affects of RF. Today, a light experiment testing if can cook hotdogs with RF. The test incorpo... Read more
Updated Radio Frequency Exposure Rules Become Effective on May 3
The FCC has announced that rule changes detailed in a lengthy 2019 Report and Order governing RF exposure standards go into effect on May 3, 2021. The... Read more
March 2021 Volunteer Monitor Program Report
The Volunteer Monitor (VM) Program is a joint initiative between ARRL and the FCC to enhance compliance in the Amateur Radio Service. This is the Marc... Read more
Antenna
80M Antenna with HOA Constraints
Welcome to the 400th Ask Dave video! Ken, VE7ZY, is having trouble with an 80m dipole mounted very closely to the roof flashing. He is seeking other a... Read more
Can I Put One End of a Dipole Next to my VHF Antenna?
Nick, KC3PWJ, has a flagpole and also a pole that holds up his VHF/UHF discone. He’d like to string a 20m dipole between the two poles, but is w... Read more
Wideband Antennas for SDR Radios
Flip, W4FLP, asked about options for wideband antennas for the popular RSP-DX software defined radio from SDRPlay. We cover three that should work fin... Read more
Bushcomm Horizon Multi-Band Loop Antennas LOOP-20
Antenna, Loop, Magnetic, 20-10M, 125 W PEP, Each Magnetic- loop antennas have existed almost since radio began. The recent resurgence of interest in t... Read more
Chameleon EmComm II Amateur Ham Radio Antenna Review
A slightly different form of hybrid is the Chameleon Emcomm II.The Emcomm II is a portable antenna, which can also be very good to use as a base stati... Read more