Hytera HM655 GPS Bluetooth DMR Mobile Two-Way Radio UHF

Discover the next generation of professional digital mobile radio (DMR) communication with the Hytera HM655. This compact and lightweight mobile two-way radio is ideal for reliable voice and data communication in vehicles or desktop installations. Whether you're in transportation, utilities, or other industries, the HM655 is designed to be your dependable communication partner.

Key Features

Reliable Communication

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

Wireless Connection

• Built-in Bluetooth 5.0 module allows the HM655 to connect with Bluetooth audio accessories, enhancing safety and productivity during in-vehicle communication.
• Note: This feature is applicable to the Bluetooth HM655 version only.

Handheld Control Head

• Convenient speaker microphone with display and controls can be mounted close by, allowing easy access to power, channel, contact switching, and volume adjustments.

Superior Durability

• Complies with MIL-STD-810G standards, providing resistance to harsh temperatures, shock, and vibration.
• IP54 rating for dust and water resistance ensures durability in challenging environments.
• Secure connection between the palm microphone and 10-pin aviation connector prevents loosening, with a stretchable cord for maximum longevity.

Technical Specifications

General

• Frequency range: UHF: 400-470 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), 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°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
• TTFF (time to first fix) hot start: < 10 seconds
• Horizontal accuracy: < 5 meters