Control everything from the palm mic The SM25A1 handheld head holds the screen and buttons. The main unit can live out of sight, keeping your cabin clean and safe.Clear voice, even on the highway AI-based noise cancellation tracks engine roar and wind, keeping only the speaker’s voice on the channel. High RX sensitivity extends range in weak-signal spots.Analog or digital — without the switchover cost Work in Analog, DMR Tier II, or Mixed Mode on the same frequency. Move to digital gradually without new hardware or new fleets.Built for real jobs IP54 dust/water protection MIL-STD-810G shock/vibration. 5–45W (UHF) or 5–50W (VHF) output for reliable coverage. 512 channels, 16 zones, priority interrupt when seconds matter.Key Features:• Handheld LCD control head – full operation without a dash display • AI noise cancellation – suppresses engine/horn noise automatically • Analog Digital Mixed Mode – smooth migration path • 512 channels / 16 zones / priority interrupt • IP54 & MIL-STD-810G – dust, water, shock, vibration • Analog scramble ARC4 optional AES encryption • Emergency call (analog & digital) Lone Worker alert • Remote monitor & radio enable/disable • Bluetooth (on BT models) & GPS (on GPS models) • XPT multi-site ready (license optional)Compatible Use Cases:• School bus dispatch & driver communication • Service & utility trucks • Construction site crews • Security patrols & delivery fleets • Marine VHF variants for coastal operationsTechnical Specifications:• Frequency: UHF 400–470 MHz or VHF 136–174 MHz • Power Output: 5–45 W (UHF) / 5–50 W (VHF) • Channels/Zones: 512 / 16 • Encryption: Scrambler / ARC4 / AES (licensed) • Protection: IP54 / MIL-STD-810G • Connectivity: 10-pin interface optional BT/GPS • Power: 12 V DC vehicle power • Dimensions: per HM652 data sheet (see manual) • Weight: lightweight mobile unit handheld micFrequently Asked QuestionsCan I hide the main radio in the trunk or under a seat?Yes. All controls live in the SM25A1 palm mic, so the radio body can be mounted anywhere out of the way while remaining fully functional.Does the AI noise cancellation work in all vehicles?It adapts in real time to steady background sounds—engine, wind, horns—so it performs on buses, trucks, and marine applications where noise levels change.Can this radio work with older analog systems?It supports analog scanning and emergency calls, plus mixed-mode operation, allowing gradual digital migration without replacing all hardware at once.What happens if I need location tracking or wireless earpieces?Choose the HM652-G-BT-U1 variant with built-in GPS and Bluetooth. These enable real-time tracking and wireless audio accessories without extra cables.Is there support if I am installing in multiple vehicles?The package includes Hytera HM652 CPS programming software. For fleet-wide setup or site licensing (XPT), contact your dealer for bulk programming and multi-site configuration.
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