Hytera HM685 GPS BT DMR mobile two-way radio VHF

Hytera HM685 GPS BT DMR Mobile Two-Way Radio VHF

The Hytera HM685 GPS BT DMR Mobile Two-Way Radio VHF is a new generation, entry-level professional radio designed for reliable voice and data communication, both in vehicles and desktop installations. This compact and lightweight device is simple to install, making it an ideal companion for transportation, business, and utility sectors.

Key Features

• Reliable Communication: High RX sensitivity ensures clear and dependable communication, even in areas with weak or unstable signals.
• Digital and Analogue Compatibility: Operates in both analogue and digital modes, facilitating an easy transition from analogue to digital with minimal disruption and investment.
• Innovative Design:
  • Compact and lightweight for easy installation and operation.
  • Front panel with transflective display readable in all lighting conditions.
  • Ergonomic piano-style buttons for effortless operation.
• Wireless Connection: Built-in BT 5.0 module allows connection with BT audio accessories and programming via BT (applicable to BT HM685 version only).
• Crystal-Clear Audio: AI-based noise cancellation filters ambient noise, ensuring clear communication even in noisy environments.
• Superior Durability:
  • Withstands harsh temperatures, shock, and vibration.
  • Meets MIL-STD-810G standards and IP54 for dust and water protection.

Technical Specifications

General

• Frequency range 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): 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
• 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

The Hytera HM685 GPS BT DMR Mobile Two-Way Radio VHF is your dependable partner for seamless communication, whether in the field or on the road.