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Retevis RT90 DMR Digital Mobile Radio Two-way Car Radio Walkie Talkie 50W VHF UHF Dual Band Ham Amateur Radio Transceiver +Cable

Retevis RT90 DMR Digital Mobile Radio Two-way Car Radio Walkie Talkie 50W VHF UHF Dual Band Ham Amateur Radio Transceiver +Cable

Regular price $403.99 USD
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rt90 dmr: dmr mobile radio

rt90: retevis rt90

retevis dmr mobile: vhf uhf

free programming cable: Yes

dual band vhf uhf car radio: car radio station

dual band dmr: 50W car walkie talkie

dmr transceiver: vhf uhf dual band dmr car radio

dmr dual band: dmr

dmr car radio: mobile car radio

Waterproof / Water-Resistant: No

Walkie Talkie Type: Car

Usable programming cable: Dedicated

Type: Two Way Radio

Storage Channel: 3000 channels

Private Call, Group Call and All Call: Yes

Output Power(w): 25w-50w

Origin: Mainland China

Model Number: Retevis RT90

Maximum Range: 5km-10km

Material: ABSPC

Is_Display: Yes

Frequency Range: 136-174Mhz+400-480Mhz

Dimensions: 143x50x175 mm

Certification: CE

Brand Name: RETEVIS

Battery Capacity(mAh): N/A

Audio Connector: Crystal head

Antenna Connector: UHF-M


The following are the reasons for the low RT90 power:
1.Instrument accuracy

2.The quality of the feeder

3.Whether the machine has high power output

4.Power line output voltage level(The standard voltage used for the test is DC13.8V,If the voltage is tested with DC11.5V-12V, the data obtained is UHF at around 23W, VHF at around 30W, and the measured power is generally low.
Click the picture below to download the driver of USB programming cable,programming software and firmware. Any questions, please be free to contact us.
About RT90 firmware version, pls confirm S/N your RT90 mobile radio body inside first!
V4: suitable for S/N:2006R0901100001-S/N:2006R0901100197
V5: suitable for S/N:2006R0901100198---

Retevis RT90 DMR Digital Mobile Two Way Radio Car Walkie Talkie Transceiver 50W Dual Band Dual Time Slot Ham Amateur Radio+Cable


  1. RT90 supports analog and digital mode, It provides dual band, dual standby, dual display, dual time slot, operating on both 400-480MHz UHF frequencies and 136-174MHz VHF at up to 50 watts VHF and 45 watts UHF.
  2. Using Time-Division Multiple-Access (TDMA) digital technology, AMBE++ vocoder, compatible with DMR Tier I &II.
  3. The RT90 supports 250 zones, 3000 channel, 10000 contacts, It has built-in CTCSS/DCS, channel scan, priority scan, short text message features, draft message edit, contacts check and edit, and encryption.
  4. RT90 has other function, including Private Call, Group Call and All Call, it also includes Lone worker mode, power save mode, low power alarm, an emergency alarm and VOX capability.
  • Output power: 50W
  • Use TDMA digital function
  • Compatible with Tier I &II
  • Dual band, dual standby, dual display, dual time slot
  • 250 zone, 3000 channel, 10000 contacts
  • Digital mode and Analog mode
  • Single call, group call and all call
  • Emergency function
  • Remote kill/stun/Activate
  • Group match/single match
  • Record function
  • PC programmable function
  • CTCSS.DCS encoding and decoding function
  • PC password protection function
  • Color LCD Display
  • Programmable functional keys
  • Low Voltage prompt
  • Upgradeable by firmware
  • TOT
  • SQL Setting
  • Scanning Function and priority scanning
  • Monitor Function
  • VOX Transmitting
  • Lone Worker
  • Time and zone setting


Frequency Range(MHz)
VHF: 136-174Mhz UHF:400-480Mhz
PLL Channel Spacing
Voltage Rating
DC 13.8V
Operating Temperature
Storage Temperature
-30℃ ~+85℃
143*50*175 mm
Compatible With American Military Standard
RF Power Output
L:25W H:50W (VHF)
L:25W H:45W (UHF)
FM Hum and Noise
-40dB 12.5KHz
-45dB 25KHz
Modulation limited
+/- 2.5KHz 12.5 KHz
+/-5.0KHz 25KHz
Conducted/radiated emission
-36 dBm<1GHz
-30 dBm>1GHz <4GHz
Adjacent channel power
-60dB 12.5KHz
-65dB 25KHz
Audio Response
+1dB ~ -3dB
Audio distortion
FM Modulation
4FSK digital modulation
12.5KHz only date:7K60FXD
12.5KHz date and audio:7K60FXE
Digital protocol
ETSI TS 102361-1,-2,-3
Digital vocoder type
Digital agreement
Frequency stability (-20℃ +60℃,+25℃)
Digital Sensibility
0.3uV/-117.4dBm (BER 5%)
0.7uV/-110 dBm (BER 1%)
Analogue Sensibility
0.35uV/-116dBm(20dB SINAD)
0.22uV/-120dBm(20dB SINAD)
Rated audio
Adjacent Channel Selectivity
TIA603C:60dB 12.5 KHz
ETSI: 60dB 12.5 KHz
TIA603C:65 dB
C0-Channel Rejection
12dB 12.5KHz
Spurious Rejection
Audio distortion @ rated audio
FM Hum and Noise
-40dB 12.5KHz
-45dB 25KHz
Audio response
Spurious emission
-57dBm m<1GHz
-47dBm m<1GHz

Package include:

  • 1 x Mobile radio
  • 1 x Power cable
  • 1 x Handheld mic
  • 1 x One pack of screw and accessories
  • 1 x User's manual
  • 1 x Programming cable(as gift)

1.Q: Why can't my RT90 transmit and receive signal normally, or is locked?

A:Please check S/N code on RT90 host. If it begins with S/N:2006, then your RT90 is new version,you need to upgrade it with another new firmware and operation way.If you still use older version of upgrading way and firmware, then it will be locked unnormally or malfunction.
The problem will be solved when you use corresponding new version of firmware and way.

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