Ascom 980 series receiver technical specification
Features
- Receives alarm transmissions
- Receives speech transmissions
- Automatically selects receiver with best signal
- Rugged case mechanically and electrically
Radio
- Frequency range:
- U980: 420-475 MHz
- V980: 140-175 MHz
- Demodulation: FM 12,5 kHz 20/25 kHz
- Deviation: 1,5 kHz 3,0 kHz
- Co-channel rejection, better than: -12 dB -8 dB
- Adjacent channel selectivity, better than: 70 dB 80 dB
- Spurious response rejection, better than: 80 dB 80 dB
- Blocking or desensitisation, better than: 90 dB 90 dB
- U980 Sensitivity at 20 dB SINAD: < 1,8 µV rms < 0,9 µV rms
- V980 Sensitivity at 20 dB SINAD: < 1,4 µV rms < 0,7 µV rms
Physical
- Dimension: 274 x 190 x 60 mm
- Weight: 1,9 kg
- Case: Die-cast aluminium, black
- Temperature range: -20 to +55°C
- Power supply: 12,5 Vdc ±10%
- Current consumption: U980: 0,5 A max. V980: 0,3 A max.
- External connections: Screw terminals and strip connectors
- Antenna connection: Coaxial connector SO239
- Receiver output: Balanced
- output level:
- U980: 5,0 Vp-p including quality tone
- V980: 6,0 Vp-p including quality tone
- frequency range: 20-8000 Hz