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PMLN7851 Motorola bluetooth earpiece

Wireless Technology: Bluetooth 4.2 LE
Microphone: Omni-directional, noise-suppression supported
Speaker: 15 mm dynamic driver
Audio Output: 0.2 W nominal, 95 dB SPL (typ.)
Frequency Response: 30 Hz – 20 kHz
PTT Latency: ≈ 40 ms
Battery Life (5/5/90 duty):
  • Talk: 8 h
  • Stand-by: 70 h (LTE mode) / 35 h (LMR mode)
    Charging: Standard Micro-USB, 2 h full charge
Physical
  • Dimensions: 107 × 72 × 26 mm
  • Weight: 23 g
Environmental
  • Operating: –20 °C to +60 °C
  • Storage: –40 °C to +80 °C
  • Humidity: 95 % RH at 50 °C (tested)
  • Drop: MIL-STD-810G, 4 ft (1.2 m)
Controls: Power/MPB, volume +/-, large PTT key
Indicators: LED + audio prompts (battery, pairing, charging)
Confirmed Compatible Radios (Bluetooth-enabled MOTOTRBO models)
  • XiR P8608i, P8668i, P8628i
  • XiR E8608i, E8628i
  • SL2K, SL2M
  • ST7000
  • MTP3550
    plus any smart device running WAVE PTT with BT audio profile.

    product detail

    Encrypted Link & Over-the-Air Management

    Bluetooth pairing uses 128-bit encryption and a unique radio MAC whitelist, preventing casual eavesdropping. Radio Management Tool (RMT) can push firmware updates to the headset via the radio—no need to recall hardware for IT refresh cycles.

    Cut the Cable, Keep the Control

    The PMLN7851 pairs a behind-the-ear earpiece with a Class-1 Bluetooth 4.2 module that delivers 10 h talk / 100 h standby inside a 30 m line-of-sight radius. Guards roam ticket gates, concourses or mall perimeters hands-free while the radio stays in the charger—sell “mobility without mishap” and bill for fewer damaged cords.

    One-Touch Pairing & Wide Radio Support

    Out-of-box NFC tap-to-pair links to any MOTOTRBO radio that carries the “B” suffix (DP2600e, DP4801e, etc.). One SKU covers VHF, UHF and 900 MHz fleets, so you quote a single 2 Way Radio Bluetooth Earpiece line instead of managing wired variants for every band.

    Covert Yet Comfortable Profile

    Low-profile ear-hook and 9 g balanced housing disappear under caps or helmets. The boom mic swivels 270° for left/right wear and integrates a MEMS element with -42 dB sensitivity plus DSP wind-noise cancellation—ideal when you position the unit as a Motorola Security Headset for casino, airport or stadium details.
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