Retevis

RT81

Retevis RT81 Ham Radio Portable UHF

£79.99

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Enter the digital age in style with the Retevis RT81 DMR Digital Portable Two Way Radio, The RT81 offers amazingly clear, full quieting digital voice communication.
RT81 has two modes of digital and analog, 2 regions, select 32 channels, 
RT81 after strict waterproof and dust test,IP67 waterproof and Dustproof, Strict shell structure and material, so that the use of RT81 in a complex environment to ensure the normal use of radio.
High power, RT81 equipped with high power emission, Center frequency point test 10W power, increase the communication distance.

Feature:

  1. Private call, group call, all call in digital mode
  2. Encryption(This function can only be used between RT81 radios)
  3. Wide band/Narrow band selection
  4. Online update
  5. Busy channel lockout
  6. English and Chinese audio prompt
  7. Time out timer
  8. TX high/Low power selection
  9. Read and write by computer
  10. Talk around
  11. Side key programmable
  12. Battery indicator
  13. End-tone elimination
  14. VOX function
  15. Single time slot
  16. Battery save/Low battery alarm
  17. Monitor

Specification:

Model

Retevis RT81

Frequency

UHF:400-470MHz

Mode

Digital/Analog

Power

High Power

Channel capacity

32(2 Zone, 16 channel per zone)

Zone

2

Working voltage

7.4V

Working temperature

-30°C—+60°C

Storage temperature

-40°C—+60°C

Continuous working time

Analog:15 hours,Digital:25 hours

Battery capacity

2200mAh

Weight(include battery)

9.32oz/264g)

Radio size(include battery)

5.48x2.51x1.45in(139x64x37mm)

Reveiver

Channel spacking

12.5KHz/25KHz(Digital mode 12.5KHz)

Frequency stability

±1.0ppm

Analog sensibility

0.35µV/-116dBm(20dB SINAD)

0.2µV/-120dBm(Typical)

Digital sensibility

0.3µV/-117.4dBm(BER5%)

0.7µV/-110dBm(BER1%

Spurious response

TIA03C:65dB

ETSI:65dB

Adjacent channel selectivity

TIA603C:60dB@12.5KHz

ETSI:60dB@12.5KHz

Spurious response suppression

TIA603C:70dB ETSI:70dB

Receiving spurious emissions

<-57dBm@1GHZ,>-47dBm

Blocking

84dB

Rated audio power

1W

Audio response

+1dB—-3dB

Rated audio distortion

<=3%

Transmitter

Channel spacking

12.5KHz/25KHz(Digital mode 12.5KHz)

Frequency stability

±1.5ppm

TX power

Low:5W High:10W

FM noise

-40dB@12.5kHz

Spurious emission

<-36dBm@1GHz,>-30dBm

Adjacent channel selectivity

-60dB@12.5KHz

FM modulation mode

12.5KHz:11FOF3E

4FSK digital modulation mode

12.5KHz(data only)7K60FX

12.5KHz(data+voice)7K60FX

Modulation limit

2.5KHz@12.5KHz

Audio response

+1dB—-3dB

Rated audio distortion

<=3%

Digital protocol

ETSITSI02361,-1,-3

Vocoder type

AMBE+2TM

Note: Specifications will be revised without notice due to technical improvement.

Package Includes:

  • 1 x Retevis RT81 Two Way Radio
  • 1 x Li-ion battery
  • 1 x Antenna
  • 1 x Adapter
  • 1 x Charger
  • 1 x Belt clip
  • 1 x Sling

Retevis RT81 Ham Radio Portable UHF

£79.99
Retevis RT81 Ham Radio Portable UHF

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