BD502i/BD552i is designed and tested to meet Military Standards 810 C, D, E, F and G, including temperature shock, vibration, high & low temperature and humidity. IP54 dust- and water-proof design guarantees the reliability in different environments. And based on TDMA technology, the radio can work longer, up to 22 hours in digital mode.
With digital encoding and correction technology, human voice is transmitted much clearer without background noise, even from great distances.This is the next generation audio quality experience.
ANALOG AND DIGITAL AUTO DETECT
Detects the signal type and automatically switches between analog and digital mode. Enables simple and cost-effective migration path to digital.
AUDIO CHANNEL ANNOUNCEMENT
Voice announcement of channel number for quick and accurate channel switching, even in low visibility (BD502i only)
ANALOG & DIGITAL DUAL MODES
BD502i/BD552i can support both analog and digital modes on the same hardware. You can easily switch between two operation modes and it helps you to communicate with analog radios.
LONG WORKING TIME
Based on TDMA technology, BD502i in digital mode can work as long as 16 hours @ 1500mAh or 22 hours @2000mAh in 5-5-90 mode.
Built-in Bluetooth enables connectivity to earpieces and other wireless accessories (BD552i-BT models only)
High contrast display for Channel number, Caller ID, Zone number, battery power, and high/low power (BD552i only).
Digital encoding and error correcting reduces signal interference on the same frequency.
DMR signaling enables group call, private call, and all call transmitting with PTT ID. Supports DMR Tier II repeaters to extend coverage.
This virtual trunking feature automatically uses whichever digital timeslot is free to improve call connectivity and frequency efficiency.
Voice activated microphone enables hands free operation. Also supported on external earpiece and microphone accessories.
Allows listening to communication activities on other channels