RT81 Dual Time Slot High Power UHF DMR Radio

SKU: US-A9119B

Category: Non-Keypad DMR Radio, Up To 50% Off, DMR Two-Way Radios, To C Sale - DMR Radios, DMR Professional Radios

Order Status: In Stock


Regular price

  1. Digital/Analog Double Modes
  2. 2200mAh Large Battery Capacity
  3. Digital Encryption and Crystal Sound
  4. 32 Channels (2 Zone)
  5. Dual Time Slot

NOTE: Please download the Programming Software from “SUPPORT


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Description

1. Retevis RT81 Dual Time Slot UHF High Power DMR Two Way Radios

2. Digital Encryption

Secure communications are an essential requirement, especially for public safety applications, RT81 is equipped with 10-bit key data encryption, walkie talkie prevents eavesdropping and avoids interference to ensure secure communication.

3. Long Battery Life

Built-in 2200 mAh battery, an operating time of 15 hours in analog mode and 25 hours in digital mode, and is suitable for daily use.

4. Crystal Sound

Security personnel typically work in a busy, noisy environment. The sound quality of the walkie-talkie is especially important. Due to the built-in high quality speakers, the DMR walkie-talkie provides better noise cancellation. In a noisy environment, it is possible to communicate with others in better quality.

5. Sturdy Body

In the security process, it often happens that the walkie-talkie falls down by running. Therefore, there are certain requirements for the fall resistance of the walkie talkie. A robust shell with stronger protection against falls and earthquakes is more durable.

6. High/Low Power Selection

High power has a longer call range. Low power has a longer battery life. The selection between high and low power can be used flexibly, allowing you to choose the appropriate power in different situations.

7. Private/Group Call

For security, it is necessary to communicate. The walkie-talkie supports individual and group call with ID, by setting the frequency, time slot, etc. to meet complex communication requirements.

8. Digital /Analog

Since the walkie talkie is compatible with both analog and digital modes. It not only retains the analog radio function, but also has the advantages of digital radio, such as better radio performance and longer battery life, higher energy efficiency, and in the meantime reduces the cost of equipment replacement.

9. Dual Time Slot

The walkie talkie has three modes: simplex, repeater, and simplex dual time slot. In simplex mode, the walkie talkie communicates in different time slots, which improves communication efficiency. In Repeater mode, the walkie talkie increases the communication distance. Dual Time Slot expands the channel capacity and extends the communication distance.

10.Six Advantages of DMR

DMR technology offers six benefits, including doubling the capacity of existing licensed channels, backward compatibility with legacy systems, longer battery life, and increased energy efficiency that improves working efficiency, extends walkie talkie life, and reduces equipment replacement costs.

11. Various Application

RT81 high power dual-time radio for rescue, security, Firefighting

12. Radio Details

13. Specification

14. Package Includes

Spec

Specification:

Model Retevis RT81
Frequency UHF 400-470MHz
Mode Digital/Analog
Power 10W
Channel capacity 32(2 Zone, 16 channel per zone)
Zone 2
Working voltage 7.4V
Working temperature -30℃~+60℃
Storage temperature -40℃~+60℃
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)
Receiver
Channel spacing 12.5/25KHz(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 spacing 12.5/25KHz(Digital mode 12.5KHz)
Frequency stability ±1.5ppm
TX power Low:1W 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.

Features

Feature:

  1. Private call, group call, all call in digital mode
  2. Encryption
  3. Wideband /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. Digital/analog double modes
  11. 32 Channels(2 Zone)
  12. Talk around
  13. Side key programmable
  14. Battery indicator
  15. End-tone elimination
  16. VOX function
  17. Double time slot
  18. Battery save/Low battery alarm
  19. Monitor

Reviews

Customer Reviews

Average Rating

4.7
Based on 3 reviews

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All Reviews

The RT81 radio is great for the construction site. able to program with other radios on site. It can handle daily use and abuse. simple to operate. I would suggest a less complicated explanation to program radios to connect with the same models. I did a lot of research and was unable to easily program. Reached out to the individual that did the original program for contractors' radios. A simple to the point program site would be great. Also took a bit of searching to locate the model program guide. Highly recommend radio for daily use.

Works with standard dmr radios. Excellent technical support. No complaints whatsoever especially at this price!!!

It's no Motorola but for the price it gets the job done just fine. I usually get about 3 miles of clear transmission with heavy interference from buildings or trees with just the base antennas.

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DELIVERY
  • Dispatch: Within 24 Hours
  • Free shipping across all products on a minimum purchase of $50.
  • International delivery time - 7-10 business days
  • Cash on delivery might be available
  • Easy 30 days returns and exchanges
RETURNS

If you do not like the product you can return it within 15 days - no questions asked. This excludes bodysuits, swimwear and clearance sale items. We have an easy and hassle free return policy. Please look at our Delivery & Returns section for further information.