Hytera HM682
HM682 DMR Mobile Radio
The Hytera HM682 is a compact UHF DMR mobile radio built for fleet vehicles and teams that need clear, fast communication on the move. It combines AI noise canceling, a simple LCD with tactile keys, strong receive sensitivity, and optional GPS and Bluetooth to keep crews connected and easy to locate when it matters.
Overview Description of the Hytera HM682:
The Hytera HM682 is a mid-tier DMR mobile radio built for reliable voice and data in vehicles and fleet operations. It is compact and lightweight, making it easy to install in tight spaces. The front panel features tactile buttons and piano keys, plus a 1.5-inch LCD that remains legible in bright sunlight or at night for quick status checks and messaging.
Advanced Audio for High-Noise Cabs
The HM682 is engineered to provide industry-leading audio quality, ensuring that every command is heard clearly regardless of road conditions. New features include:
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AI-Based Noise Cancellation: Utilizing deep-learning technology, the HM682 extracts human speech from background noise in real-time. It can reduce ambient distractions—such as engine roar, wind, or horns—by up to 30dB, making it much easier to understand the caller.
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Automatic Gain Control (AGC): This feature ensures consistent volume levels. It automatically adjusts the microphone gain so that if a driver speaks softly or is shouting over a loud environment, the person listening hears a steady, balanced voice without having to adjust their own volume.
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Howling Suppression: Eliminates the high-pitched feedback that occurs when two radios are keyed up in close proximity, such as within the same vehicle or cabin.
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Optimized Forward-Facing Speaker: Designed to cut through cab noise, delivering loud and crisp receive audio directly to the operator.
Practical Migration and Network Flexibility
The HM682 supports both analog and digital modes, making it a practical choice for teams transitioning from legacy systems to DMR. It supports DMR Tier II and, with a license, Hytera XPT trunking and roaming between repeater sites. It also handles all essential call types, including individual, group, unaddressed group, and all-calls.
Integrated Safety and Control
Safety is central to the HM682 design. It includes an easy-to-reach Emergency Button and Lone Worker prompts to ensure drivers check in at set intervals. With optional licensing, Priority Interrupt allows dispatchers to break through active calls for urgent updates. Dispatch also has the ability to remotely enable or disable radios for fleet security.
Professional Data Capabilities
For advanced operations, the HM682 offers:
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Back-to-Back Connectivity: Link analog and digital users or bridge different frequencies.
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Clarity Transmission: Functions as a wireless gateway to transport data between remote devices and a management center.
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High RX Sensitivity: Extends your effective range and keeps signals stable in fringe areas.
Tech Specs of the Hytera HM682:
General
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Frequency range: UHF 400–470 MHz
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RF power output: UHF 5–45 W
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Channel capacity: 512 channels (analog or digital)
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Zone capacity: 32 zones, up to 256 channels per zone
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Channel spacing: 12.5 / 20 / 25 kHz
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Operational voltage: 13.6 V ±15%
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Current drain: standby <0.5 A; receive <2.0 A; transmit 5 W <4 A
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Dimensions (H × W × D): 42 × 159 × 164 mm
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Weight: 2 lb 8.5 oz (1150 g)
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Display: 1.5-inch LCD, 6 lines
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Bluetooth: 5.0 (BLE + EDR) on Bluetooth models
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Frequency stability: ±0.5 ppm
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Antenna impedance: 50 Ω
Receiver
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Digital sensitivity: 0.18 μV (BER 5%)
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Analog sensitivity: 0.16 μV typical (12 dB SINAD); 0.18 μV (12 dB SINAD)
Audio
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Internal speaker: 3 W rated, 8 W max (20 Ω load)
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External output: 8 W rated, 20 W max (8 Ω load)
Environmental
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Dust and water: IP54
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Operating temperature: -30°C to +60°C (-22°F to +140°F)
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Storage temperature: -40°C to +85°C (-40°F to +185°F)
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ESD: ±8 kV contact, ±15 kV air
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Humidity, shock, vibration: MIL-STD-810H
GPS (GPS models, typical)
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Time to first fix: cold <60 s; hot <10 s
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Horizontal accuracy: <5 m
Ordering info
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HM682-U1: UHF 400–470 MHz, 5–45 W
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HM682-G-BT-U1: UHF 400–470 MHz, 5–45 W, with GPS and Bluetooth
Standard accessories: SM16A1 palm microphone; PWC10 10-foot vehicle power cable; BRK44 mounting bracket and hardware; GPS04 GPS antenna (GPS models).
Optional accessories: SM09D1 external speaker with 6-foot power cable; PS22002 external power supply; PC47 programming cable with switch (for multi-radio use); SM27W1 Bluetooth remote speaker mic with operation buttons, LCD screen, and charging cable (Bluetooth models).
Key Features of the Hytera HM682:
AI NOISE CANCELLATION FOR VEHICLES
AI voice enhancement helps reduce background noise in real time for clearer talk in loud cabs.
HOWLING SUPPRESSION
Helps prevent audio feedback when radios operate close together.
SIMPLE, DRIVER-FRIENDLY CONTROLS
Tactile buttons and piano keys support quick operation. The LCD stays readable in sun or darkness.
COMPACT, LIGHT, EASY TO INSTALL
Designed for fast installs in vehicles and fleet setups.
HIGH RX SENSITIVITY FOR BETTER RANGE
Helps keep calls clear in weak-signal areas.
ANALOG AND DIGITAL OPERATION
Supports either mode, making migration easier without requiring a full replacement.
MULTI-SYSTEM FLEXIBILITY
Supports analog and digital conventional, DMR Tier II, and optional XPT trunking with roaming between sites.
CALLING FLEXIBILITY
Supports individual calls, group calls, unaddressed group calls, and all calls.
WORKER SAFETY TOOLS
Emergency call button, Lone Worker check-ins, and optional Priority Interrupt with a license. Remote radio enable and disable supported.
GPS LOCATION TRACKING (MODEL-BASED)
GPS models can report location to dispatch or third-party tools. GPS can send during voice calls and can be compressed to save channel use.
BLUETOOTH (MODEL-BASED)
Bluetooth models support wireless audio accessories for safer in-vehicle use.
BACK-TO-BACK AND DATA GATEWAY OPTIONS
Back-to-back can bridge analog to digital, or connect different frequencies. Clarity Transmission provides a wireless data path between devices and a management center.