Retevis RT82 DMR Dual Band Handheld Radio – Review


RT82 is a dual band DMR radio 
Frequency band:136-174 & 400-480MHz 
10000 Contacts 
IP67 Waterproof 
Use Time-Division Multiple-Access 
(TDMA)digital function 
Dual time slot for repeater 
Dual time slot for point to point 
Firmware upgradeable 
Lone worker 
Encryption function 
Compatible with Motorola Tier Ⅰ&Ⅱ 
Single/group/all call 
Analog and digital combined 
Remote kill/stun/activate 
Comply with digital protocol ETSI TS 102 361-1,-2,-3 
Color LCD display 
Up to 3000 channels 
Transmit interruption 
Private/Group call match(Promiscuous) 
Emergency Alarm 
Keypad lock 
LED Indicator 
Password Lock 


General Specification
Frequency 136-174 & 400-480MHz
Channel 3000
Frequency Stability ± 1ppm
Operating Temperature -30℃~+60℃
Operating Voltage 7.4V DC
Dimension(Hxuxd) 131.5*36.8*64
Weight 300g(with battery)
Battery Type Li-in
Battery Capacity 2200mAh
Antenna impedance 50Ω
Audio output power 1W @ 16Ω
Channel Spacing 12.5KHz
Power UHF≦5W, VHF≧4W
Transmitter current Analog≦1.6A Digital≧0.9A
Standby current 0.18A
FM modulation mode 11K0F3E @ 12.5KHz 
14K0F3E @ 20KHz 
16K0F3E @ 25KHz
4FSK digital mode 12.5KHz(data only0):7K60FXD 
12.5KHz(data and voice):7K60FXW
Modulation distortion <5%
Hum & Noise ≧45dB@25KHz 
Adjacent channel power ≦60dB@12.5KHz
Audio response +1~-3dB
Digital protocol ETSI-TS102 361-1,-2,-3
Analog Sensibility 0.2μV @ 12dB SINAD
Digital Sensibility 0.25μV(BER:5%)
Adjacent Channel Selectivity ≦-60dB@12.5KHz
Co-channel rejection ≧65dB
Spurious response ≧70dB
Audio response +1~-3dB
Rated audio distortion <5%
Audio power 1W
Modulation noise ≧45dB@25KHz 

Package include:

  • 1 x RT82 two way radio
  • 1 x Battery
  • 1 x Antenna
  • 1 x Adapter
  • 1 x Charger
  • 1 x User’s manual
  • 1 x Belt clip
  • 1 x Sling
  • 1 x Programming USB Cable


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