Professional DMR Repeater

Rx-RR850

TDMA True 2-Slots: Two calls per repeater and channel.
Digital/analog Self-adaption: DMR digital mode and Analog FM mode.

Overview

With sleek form factor, powerful digital feature, versatile and powerful communication experience and low power consumption, this DMR repeater is engineered for economic cost of ownership, shopping mall, logistics, airports, docks, etc. It also supports IP networking and simulcasting to deliver high reliability radio service with all features required to connect a single site conventional system, or powerful capabilities as your needs evolve.

Key features

Compact & space efficient designStandard 2U height rack mount, built-in power & duplexer(optional), it benefits space saving & fast deployment.
Rock solid performanceSupports GPS+BDS satellite positioning(optional) Combined with 50W transmit output power, this gives clear voice quality, even in adverse conditions.
Round the clock reliable operationBuilt-in feature like AC/DC power converter, battery charger which could keep working once AC power is lost, error indication, etc.
TDMA True 2-SlotsTwo calls per repeater and channel.
Digital/analog Self-adaptionDMR digital mode and Analog FM mode.

Specifications

General

Frequency Range: VHF: 136-174 MHz UHF: 350-390/400-470/450-520 MHz
Channel Capacity: 99
Channel Spacing: 12.5 KHz
Antenna Impedance: 50Ω
Operating Voltage: DC 13.8V (±15%), Negative ground AC 110V/AC 220V
Current: < 9A
Operating Temperature: -30°C to 70°C
Storage Temperature: -40°C to 85°C
Dimensions (W×H×D): 2U/19 Inches
Weight: 14 Kgs

Transmitter

RF Output Power: 5-50W (continuous)
Frequency Stability: ≤ ±0.5 ppm (Without GPS) ≤ ±0.02 ppm (With GPS)
4FSK Modulation: 12.5 KHz (data only): 7K60FXD 12.5 KHz (data and voice): 7K60FXW
Adjacent Channel Power: ≤ 60 dB
Spurious Radiation: -36dBm<1GHz -30dBm>1GHz
Vocoder: AMBE

Receiver

Sensitivity: 3%BER≤0.35μV
Analog Sensitivity: 0.25μV (12dB SINAD)
Frequency Stability: ≤ ±0.5ppm (without GPS) ≤ ±0.2ppm (with GPS)
Intermodulation Immunity: ≥70dB
Adjacent Channel Selectivity: ≥60dB
Spurious Response: ≥70dB
Blocking: ≥95dB
Frequency Response: +1/-3 dB
FM Noise: -40dB
Audio Power: 3W
Audio Distortion: 3% (typical)
Conduction Radiation: -57dBm
GPS Precision: Horizontal Accuracy ≤-10m (when signal is good)
TTFF (First Location) Cold Boot: <1 minute (good signal)
TTFF (First Location) Hot Boot: <10 seconds (good signal)

Function key description

Front panel: Indicators, Screen, Programming Interface, Programming Keys
Rear panel: DC IN (DC Power In/ Battery Charging Port), RX, ANT/TX, ACC, NET (Network Port), GNSS (Satellite Antenna Port), AC IN