Hytera HM655 GPS BT DMR mobile two-way radio VHF

Hytera HM655 GPS BT DMR Mobile Two-Way Radio VHF

The Hytera HM655 is a new-generation, entry-level professional DMR mobile two-way radio. Designed for reliable voice and data communication, it is ideal for both vehicle and desktop installations. Its compact and lightweight design ensures easy installation, and with a convenient speaker microphone featuring a display, the HM655 is your perfect companion in transportation, utilities, and more.

Key Features

Reliable Communication

• High RX sensitivity ensures clear and dependable communication, even in areas with weak or unstable signals.

Wireless Connection

• Built-in BT 5.0 module allows for the use of BT audio accessories, enhancing safety and productivity during in-vehicle communication. *Note: Applicable to the BT HM655 version only.

Handheld Control Head

• Features a speaker microphone with a display and controls for easy access to radio functions such as power on/off, channel switching, contact management, and volume adjustment.

Superior Durability

• Withstands harsh temperatures, shock, and vibration, meeting MIL-STD-810G standards.
• IP54 rating for dust and water resistance.
• Secure connection between palm microphone and 10-pin aviation connector to prevent loosening.
• Durable palm microphone cord with excellent stretching ability for maximum service life.

Technical Specifications

General

• Frequency range: VHF 136-174 MHz
• Channel capacity: 512, Zone capacity: 16
• Channel spacing: Analogue 12.5kHz/20kHz/25kHz, 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 x W x D): 164 x 154 x 42 mm
• Weight: 1100g
• Digital protocol: ETSI-TS102 361-1,-2,-3

Receiver

• Sensitivity: Analogue: 0.18µV (12dB SINAD), Digital: 0.18µV / BER 5%
• Selectivity: TIA-603: 65dB @12.5kHz / 75dB @20/25kHz, ETSI: 50dB @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°C to +60°C
• Storage temperature: -40°C to +85°C
• 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

GPS

• GNSS: GPS, GPS+GLONASS, GPS+BDS
• TTFF (time to first fix): Cold start < 1 minute, Hot start < 10 seconds
• Horizontal accuracy: < 5 meters