Caltta PR900 DMR Relay
Caltta PR900 is a professional digital relay with powerful functions and convenient configuration that meets the higher requirements of customers. It is an important part of different PMR solutions for different scenarios.
Features of PR900 Digital Repeater
· Slim and Compact with 1U Design
· Easy Operation and Configuration with Screen and Buttons
· Digital-Analog Auto Detection
· High Security and Reliability with Rich Services
· Multiple Networking Solutions for Various Scenarios
Specifications of PR900 Digital Repeater
General | |
Digital Protocol | DMR ETSI TS102 361-1,-2,-3;TDMA |
Frequency | UHF1: 400-470MHz VHF: 136-174MHz |
Channel Capacity | 1024 |
Channel Spacing | 12.5kHz/25KHz |
Max Duty Cycle | 100% |
Operating Voltage | AC100-240V @50/60Hz DC13.6V±15% |
Backup Power Supply | Support |
| Size (H*W*D) | 436×44.5×366.4mm (Standard 19-inch 1U height frame) |
Weight | 8.5Kg |
Screen | 2.0-inch HD LCD, 320×240, 10 status LEDs |
Receiver | |
Sensitivity (Analog) | 0.14uV（12dB SINAD） |
Sensitivity (Digital) | 0.14uV（5% BER） |
| Frequency Stability | ±0.5ppm (Max) |
Adjacent Channel Selectivity | 65dB@12.5KHz/75 dB@25KHz (TIA603D) |
65dB@12.5KHz/75 dB@25KHz (ETSI) | |
Intermodulation | 75dB (TIA603D) |
70dB (ETSI) | |
Spurious Rejection | 80dB (TIA603D) |
80dB (ETSI) | |
Blocking or Desensitization | 98dB (TIA603D) |
95dB (ETSI) | |
FM Noise | 40dB (Min) |
Audio Distortion @ Rated Audio | ≤3% (Max) |
Audio Response | +1～-3dB(TIA603D) |
Conducted Spurious Emission | -57dBm (TIA603D) |
Transmitter | |
Frequency Stability | ±0.5ppm |
Power Output | 1W – 50W (UHF1/VHF) |
FM Modulation | 12.5KHz: 11K0F3E / 25KHz: 16K0F3E |
4FSK Digital Modulation | 12.5KHz Data Only: 7K60FXD |
12.5KHz Voice and Data: 7K60FXE | |
Conducted/Radiated Emission | -36dBm≤1GHz; -30dBm>1GHz |
Modulation Limiting | ±2.5KHz @12.5KHz/±5.0KHz @25KHz |
FM Noise | 40dB (Min) |
Audio Distortion @ Rated Audio | ≤3% (Max) |
Audio Response | +1～-3dB(TIA603D) |
Environmental | |
Operating Temperature | -30℃ ~ +60℃ |
Storage Temperature | -40℃ ~ +85℃ |
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