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HM685 UHF
360 000 AMD
Mobile radio UHF 25W 16ch
General
- Frequency range
- UHF: 400-470 MHz
- VHF: 136-174 MHz
- Channels & zones
- Channel capacity: 512
- Zone capacity: 16
- Channel spacing analogue
- 12.5kHz/20kHz/25kHz
- Channel spacing digital
- 25kHz
- Operating voltage
- 13.6 V DC ±15%
- Current drain
- standby: <0.5 A
- receive: <2.0 A
- transmit 5W: <4 A
- transmit 25W: <8 A
- transmit 45W: <12 A
- Frequency stability
- +0.5 ppm
- Antenna impedance
- 50 Ohm
- Dimensions (H×W×D) mm
- 164 x 159 x 42mm
- Weight
- 1150g
- Display
- 1.45 inch, 4 lines
- Digital protocol
- ETSI-TS102 361-1,-2,-3
Receiver
- Sensitivity
- Analogue: 0.18µV (12dB SINAD)
- Analogue: 0.16µV (12dB SINAD) (typical)
- Digital: 0.18µV / BER 5%
- Selectivity
- TIA-603: 65dB @12.5kHz / 75dB @20/25kHz
- ETSI: 50 dB @12.5kHz / 70dB @20/25kHz
- Inter-modulation
- TIA-603: 75dB @12.5/20/25kHz
- ETSI: 70dB @12.5/20/25kHz
- Spurious Response Rejection
- TIA-603: 75dB @12.5/20/25kHz
- ETSI: 70dB @12.5/20/25kHz
- Blocking
- TIA-603: 90 dB
- ETSI: 84 dB
- Hum and Noise
- 40dB @12.5kHz; 43dB @20kHz; 45dB @25kHz
- Rated Audio Power Output
- internal (20 Ohm load): 3W
- external (8 Ohm load): 6W
- Max Audio Power Output
- internal (20 Ohm load): 7.5W
- external (8 Ohm load): 20W
- Rated Audio Distortion
- <3%
- Audio Response
- +1 to -3 dB
- Conducted Spurious Emission
- < -57 dBm
Transmitter
- RF Power Output
- Low Power model: 5-25 W
- High Power model: 5-45 W
- FM Modulation
- 11K0F3E @12.5kHz
- 14K0F3E @20kHz
- 16K0F3E @25kHz
- 4FSK Digital Modulation
- 12.5kHz data only: 7K60FXD
- 12.5kHz data and voice: 7K60FXW
- Conducted/Radiated Emission
- -36dBm @<1GHz; -30dBm @>1GHz
- Modulation Limiting
- ±2.5kHz @12.5kHz; ±4.0kHz @20kHz; ±5.0kHz @25kHz
- FM Hum and Noise
- 40dB @12.5kHz; 43dB @20kHz; 45dB @25kHz
- Adjacent Channel Power
- 60dB @12.5kHz; 70dB @20/25kHz
- Audio Response
- +1 to -3 dB
- Audio Distortion
- <3%
- Digital Vocoder Type
- AMBE+2
Environmental
- Operating temperature
- -30℃ to +60℃
- Storage temperature
- -40℃ to +85℃
- ESD
- IEC 61000-4-2 (level 4)
- +8kV (contact); +15kV (air)
- American Military standard
- MIL-STD-810G
- Dust & water protection
- IP54
- Humidity
- per MIL-STD-810G standard
- Shock and vibration
- per MIL-STD-810G standard
Location Service
- GNSS
- GPS, GPS+GLONASS, GPS+BDS
- TTFF (time to first fix) cold start
- < 1 minute
- TTFF (time to first fix) hot start
- < 10 seconds
- Horizontal accuracy
- < 5 meters