Retevis RT81 10W Dual time slot DMR walkie talkie with shoulder speaker microphone and program cable, fit for business, commercial, warehousing, security long-distance communication, improve call efficiency and ensure safety
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4PCS Retevis RT81 DMR Walkie Talkie with Microphone and Program Cable
This is a Retevis RT81 DMR Radio with speaker microphone bundle, it includes 4pcs Retevis RT81 DMR walkie talkie, and 4pcs shoulder speaker microphones,1pcs program cable fit for Retevis RT81 DMR radio, you can use directly, or program the radio bundles depending on your needs, bring you long range and secure radio communication, fit for various industries, like Build Bridges, Education, Manufacturing, Hospitality, Retail, Property Management, Construction.
Description:
Two modes Radio Bundles
The Retevis RT81 DMR Radio has two modes of digital and analog, 2 regions, select 32 channels, It uses digital mobile radio(DMR)Tier 2 standard protocol It is compatible with the popular MOTOTRBO series Tier I and II using standard encryption.
Waterproof DMR radio bundle
The Retevis RT81 DMR Radio is IP67 waterproof and Dustproof,the speaker microphone is IP54 waterproof, use can use this dmr radio bundles for your outdoor radio communication.
Long Range DMR radio bundle
The Retevis RT81 DMR Radio has 10W High power, can help you get long calling distance, improve the radio communication efficiency.
Packaged with program cable
The 4PCS Retevis RT81 DMR Radio can talk to each other directly without any setting, you can also use the programming cable to program them depending on your needs.
Package Include:
- 4 x Retevis RT81 DMR Walkie Talkie
- 4 x RS-112 speaker microphone
- 1 x Programming cable
Specification:
| Model | Retevis RT81 |
| Frequency | UHF 400-470MHz |
| Mode | Digital/Analog |
| Max 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.