Caltta DM660 DMR Vehicle Radio
Compact and Competent with Excellent Coverage and Audio Performance
The DM660 supports SMS, real-time clock, GPS, announcement recording playback, and a 26pin accessory port. It is equipped with noise cancellation technology, a maximum 6W speaker, and a minimum receiver sensitivity of 0.16uV for maximum performance.
Features of DM660 DMR Mobile Radio
DMR Tier II
DMR true two-time slots capability provides double channel capacity, maximizing the use of the channel. It also supports roaming in an IP connect network.
Analog/Digital Compatible
Adaptable with existing analogue networks, it supports a smooth migration to your DMR network.
Powerful Communication
50W transmitting power and minimum 0.16uV receiving sensitivity for maximum performance.
Excellent Man-machine Interface
Based on professional user habits, a deeply customized MMI has been developed to aid users to operate radio more comfortably.
Compact Design
With the slim & lightweight body, the DM660 is easy to be installed in a vehicle. On the front panel, the 1.75-inch LCD provides a rich information display, and the specially designed knob makes operation simple and fast.
Loud and Clear
Equipped with noise cancellation technology and maximum 6W speaker, it provides excellent voice performance.
Rich Services
DM660 supports SMS, real-time clock, GPS, call replay, etc. 26pin accessory port supports external PTT, MIC, 16W amplifier, line out, GPIO, etc.
Reliable and Robust
IP54 and MIL-STD-810H make it suitable for various outdoor works and harsh working environments.
Specifications of DM660 DMR Mobile Radio
General | |
| Protocol | ETSI TS 102 361-1,-2,-3 |
Frequency | UHF1:400-470MHz VHF: 136-174MHz |
Channel Capacity | 512 |
Zone Capacity | 32 |
| Channel Spacing | 12.5kHz/20KHz/25KHz |
| Frequency Stability | ±0.5ppm |
| Operating Voltage | DC 13.6V ± 15% |
Size (H*W*D) | 40*166*152mm |
Weight | About 1.05Kg |
Screen | 1.75” TFT LCD, 160*128 |
| Vocoder | AMBE++ |
| GPS | Optional |
| Real-time Clock | Support |
| Encryption | Support 40/128/256bit Private Encryption |
| Accessory Interface | 26 Pins Connector |
| Receiver | |
Sensitivity(Analog Typical) | 0.16uV(12dB SINAD) |
Sensitivity(Digital Typical) | 0.16uV (5% BER ) |
Adjacent Channel Selectivity | 60 dB@12.5KHz /70 dB@20/25KHz (TIA603A) 60dB@12.5KHz /70 dB@20/25KHz (ETSI) |
Intermodulation | 70 dB (TIA603D) 65 dB (ETSI) |
| Spurious Rejection | 75 dB (TIA603D) 70 dB (ETSI) |
Blocking or Desensitization | 95dB(TIA603D) 90dB(ETSI) |
Co-channel Rejection | -12~0 dB @12.5KHz/-8~0 dB @20/25KHz |
Hum and Noise | -40 dB@12.5KHz /-43dB@20KHz /-45 dB@25KHz |
Rated Audio Power | 3W ( Build-in ) & 6W ( External ) |
Max Audio Power | 6W ( Build-in ) & 16W ( External ) |
Audio Distortion @ Rated Audio | ≤3% |
Audio Response | +1～-3dB(TIA603D) |
Conducted Spurious Emission | -57 dBm (TIA603D) |
Transmitter | |
Low Power Output | 5-25W(UHF1/VHF) |
High Power Output | 5-45W( UHF1 ) / 5-50W( VHF ) |
FM Modulation | 12.5KHz: 11K0F3E / 20KHz: 14K0F3E / 25KHz: 16K0F3E |
4FSK Digital Modulation | 12.5KHz Data Only: 7K60F1D&7K60FXD |
12.5KHz Voice Only: 7K60F1E&7K60FXE | |
12.5KHz Voice and Data: 7K60F1W | |
Conducted/Radiated Emission | -36dBm ≤1GHz ; -30dBm >1GHz |
Modulation Limiting | ±2.5KHz @12.5KHz /±4KHz @20KHz / ±5.0KHz @25KHz |
FM Hum and Noise | -40 dB@12.5KHz /-43dB@20KHz /-45 dB@25KHz |
Adjacent Channel Power | 60 dB@12.5KHz /70 dB @20/25KHz |
Audio Distortion @ Rated Audio | ≤3% |
Audio Response | +1～-3dB(TIA603D) |
Environmental | |
Operating Temperature | -30℃ ~ +60℃ |
Storage Temperature | -40℃ ~ +85℃ |
ESD | IEC 61000-4-2 (level 4) ±8kV (Contact) ±15kV(Air) |
Dust and Water Proof | IP54 |
Reliability | According to MIL-STD-810H |
GPS | |
Accuracy specs are for long-term tracking (95th percentile values>5satellites visible at nominal -130 dBm signal strength) | |
TTFF (Time To First Fix) – Cold Start | <60s |
TTFF (Time To First Fix) – Hot Start | <10s |
Horizontal Accuracy | <10m |
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