Hytera HP685 (DMR)

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Hytera HP685

Description

The Hytera HP685 Professional DMR Radio is a premium, tactical handheld digital two-way radio that balances a lightweight, ultra-slim profile with heavy-duty performance. Purpose-built for corporate executives, security managers, logistics coordinators, and first responders, the HP685 introduces a full color display and alphanumeric tactile keypad into the rugged HP series architecture. It delivers crisp, reliable voice communications over massive coverage spans, offering advanced telemetry, messaging, and audio clearing systems to keep teams safely connected under intense pressure.

Features

AI-Based Noise Cancellation Advanced AI-based noise-cancellation technology can suppress up to 30 dB of surrounding background noise, helping maintain clear voice communication in environments with wind, crowds, traffic, sirens and industrial machinery.
Text Messaging The colour display and alphanumeric keypad support compatible text messaging, providing an additional communication option when voice calls may not be practical.
Contact Management & Private Calls Users can view Caller ID information, access programmed contacts and make selective private voice calls to individual radios without communicating across the entire talkgroup.
Bluetooth 5.0 (Optional) Selected configurations support Bluetooth 5.0 BLE+EDR connectivity for compatible wireless audio accessories, PTT controls and other supported Bluetooth devices.
GPS & GLONASS (Optional) Optional GNSS positioning supports GPS and GLONASS for compatible location tracking, dispatch and fleet-management applications.
Acoustic Howling Suppression Built-in acoustic feedback suppression helps reduce high-pitched howling when multiple radios are operating close to one another, improving audio comfort and communication clarity.
TDMA 2-Slot Direct Mode DMR TDMA technology supports two time slots on a 12.5 kHz digital channel, allowing two independent communication paths and improving available channel capacity without requiring a repeater for compatible direct-mode operation.
Radio Stun & Revive Authorised administrators can remotely disable a lost or stolen radio using the Radio Stun function and restore operation using Radio Revive when the unit is recovered.

Specifications

Transceiver & RF Performance
Frequency Bands Available in separate regional variants: VHF 136–174 MHz or UHF 400–470 MHz.
Channel Capacity Up to 1,024 programmable memory channels.
Zone Capacity Up to 64 zones, supporting up to 256 channels per zone.
RF Power Output VHF: 5 W / 1 W adjustable
UHF: 4 W / 1 W adjustable
Receiver Sensitivity 0.18 μV (12 dB SINAD) standard, with 0.16 μV typical sensitivity for enhanced reception in weaker signal conditions.
Protocol Standard DMR Tier II conventional digital operation based on open DMR standards.
Interface & Security
Display 1.60-inch colour TFT display with 160 × 128 pixel resolution and support for up to 6 lines of text.
Keypad & Controls Full front-panel alphanumeric keypad with 2 dedicated programmable keys and a tactile emergency button.
Digital Encryption Supports 40-bit digital encryption as standard, with AES-128 and AES-256 encryption available through compatible software licensing and configuration.
Audio & Electrical
Audio Output 0.5 W internal speaker with an optimised acoustic design for clear professional voice communication.
AI Noise Cancellation AI-based noise-cancellation processing helps reduce surrounding background noise and improve voice clarity in demanding working environments.
Battery 2000 mAh rechargeable Lithium-Polymer battery pack.
Battery Operating Time Up to approximately 20 hours based on a 5:5:90 transmit / receive / standby duty cycle, with GPS enabled. Actual operating time may vary according to radio activity and configuration.
Mechanical & Environmental
Dimensions (H × W × D) 122 × 55 × 31.5 mm
Weight Approximately 290 g
Ingress Protection IP67-rated for complete protection against dust ingress and temporary water immersion up to 1 metre for 30 minutes under specified test conditions.
Environmental Durability Designed and tested in accordance with MIL-STD-810H requirements for demanding environmental conditions including shock, vibration and temperature cycling.

Brochure

HP6 Series Brochure

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Hytera HP685