BD502i DMR Two-Way Radio

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BD502i Commercial UHF and VHF DMR Two-Way Digital Radios

The BD502i is one of the best-selling Hytera radio two-way commercial DMR radios because it is compact, rugged, easy to use, and provides reliable communications at an affordable price. The BD502i features analog and digital operation, 48 channels, loud and clear digital audio, extended talk range, audio channel announcement, and 16 hours of battery life.
Data Sheet
Owners Manual
BD502 Hytera DMR Radio
HIGH QUALITY AUDIO
DMR digital technology provides excellent audio quality for reliable communication
ERGONOMIC AND EASY TO USE
Tactile buttons for no-look PTT and emergency calling.
ANTI-INTERFERENCE
Digital encoding and error correcting reduces signal interference on the same frequency.
PSEUDO TRUNKING
Automatically uses whichever digital timeslot is free to improve call connectivity and frequency efficiency.
VOX
Voice activated microphone enables hands free operation. Also supported on external earpiece and microphone accessories.
EMERGENCY CALLING
One-touch Emergency Alarms can be sent to other radios with the programmable button. · Improves worker safety and emergency response time.
ANALOG OR DIGITAL OPERATION
The BD302i operates in analog or digital mode. Allows switching between the two modes for communication with analog radios.
EXTENDED TALK RANGE
Hytera’s innovative receiving technology extends talk range
DMR
DMR signaling enables group call, private call, and all call transmitting with PTT ID. Supports DMR Tier II repeaters to extend coverage.
AUDIO CHANNEL ANNOUNCEMENT
Voice announcement of channel number for quick and accurate channel switching, even in low visibility.
LONG LIFE BATTERY
Powerful 1500mAh Lithium Ion batteries deliver up to 16 hours of operation in digital mode and 12 in analog mode.
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General

  • Frequency range UHF: 400-470 MHz VHF: 146-174 MHz
  • Channel capacity 48 Channels (24 Analog, 24 Digital)
  • Zone Capacity 3 Zones with 16 Channels per Zone
  • Channel Spacing 25/12.5kHz
  • Operating voltage 3.7 V
  • Battery 1500Ah (Li-Ion) 2000Ah (Li-Ion)
  • Battery service life (5/5/90) Analog: 12/16 hours (1500mAh) Digital:16/22 hours (2000mAh)
  • Frequency Stability ± 0.5ppm
  • Antenna Impedance 50Ω
  • Dimensions (H×W×D) 4.25" x 2.12" x 1.14", 108×54×29mm
  • Weight 8 oz. (with AN0435W09 and BL1506)

Receiver

  • Digital Sensitivity 0.22µV (BER 5%)
  • Analog Sensitivity 0.22µV (Typical) (12dB SINAD) 0.4µV (20dB SINAD)
  • Adjacent Selectivity TIA-603: 60dB @ 12.5kHz, 70dB @ 25kHz
  • Intermodulation TIA-603: 65dB @ 12.5/25kHz
  • Spurious Response Rejection TIA-603: 70dB @ 12.5/25kHz
  • Hum and Noise 40dB @ 12.5kHz, 45dB @ 25kHz
  • Rated Audio Power Output 0.5W
  • Rated Audio Distortion ≤3%
  • Audio Response +1 to -3dB
  • Conducted Spurious Emission <-57dBm>

Transmitter

  • RF Power Output VHF High power: 5W VHF Low power: 1W UHF High power: 4W UHF Low power: 1W
  • FM Modulation 11K0F3E @ 12.5KHz 16K0F3E @ 25KHz
  • 4FSK Digital Modulation (Digital Emissions Designator) 12.5 kHz (data only): 7K60FXD 12.5 kHz (voice & data): 7K60FXW
  • Conducted/Radiated Emission -36 dBm < 1 GHz -30 dBm > 1 GHz
  • Modulation limiting ±2.5 kHz at 12.5 kHz ±5.0 kHz at 25 kHz
  • FM Hum & Noise 40 dB at 12.5 kHz 45 dB at 25 kHz
  • Adjacent channel selectivity 60 dB at 12.5 kHz 70 dB at 25 kHz
  • Audio Response +1 ~ -3dB
  • Audio Distortion ≤ 3%
  • Digital Vocoder Type AMBE++
  • Digital Protocol ETSI-TS102 361-1,-2,-3

Environmental

  • Operating temperature -30 °C to +60 °C
  • Storage temperature -40 °C to +85 °C
  • ESD IEC 61000-4-2 (level 4) ±8 kV (contact ) ±15 kV (air)
  • Dustproof & Waterproof IP54 Standard
  • Humidity Per MIL-STD-810 C/D/E/F/G Standard
  • Shock & Vibration Per MIL-STD-810 C/D/E/F/G Standard
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