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.
Antenna
Channel Selector
Transmit/Receive LED
Power and Volume
Speaker and Microphone
Audio Jack
Micro USB Port
IP54 Rated
Push-to-talk Button
Programmable Button
Long Life Battery
Functions
HIGH QUALITY AUDIO
Audio equalizer adjusts low, mid, and high frequency gain. Provides the best audio performance in noisy or quiet environments.
ANALOG OR DIGITAL OPERATION
The BD502i series operates in both analog or digital modes. Allows switching between the two operation modes for communication with analog radios.
RELIABLE AND DURABLE
Compliant with MIL-STD-810-G for shock and vibration. · IP54 rated for water and dust resistance.
LONG-LIFE BATTERY
Powerful 1500mAh Lithium Ion batteries deliver up to 16 hours of operation in digital mode and 12 in analog mode.
DMR
DMR signaling enables group call, private call, and all call transmitting with PTT ID. Supports DMR Tier II repeaters to extend coverage.
PSEUDO TRUNKING
This virtual trunking feature automatically uses whichever digital timeslot is free to improve call connectivity and frequency efficiency.
EMERGENCY CALLING
One-touch Emergency Alarms can be sent to other radios with the programmable button. · Improves worker safety and emergency response time.
SCANNING
Allows listening to communication activities on other channels.
VOX
Voice activated microphone enables hands free operation. Also supported on external earpiece and microphone accessories.
ANTI-INTERFERENCE
Digital encoding and error correcting reduces signal interference on the same frequency.
AUDIO CHANNEL ANNOUNCEMENT
Channel number voice announcement for fast and accurate channel switching, even in low visibility (BD502i only)
Standard Accessories for BD502i DMR Two-Way Radios
Antenna
AN0435W09 UHF Whip Antenna (400–470MHz)
Battery
BL1506 1500 mAh Lithium-Ion Smart Battery
Carrying
BC08 Two-Way Radio Belt Clip
RO03 Nylon Wrist Strap
Charger
CH10L23 Single-Unit Charger for Two-Way Radios
PS1014 Switching Power Adapter
Optional Accessories for BD502i DMR Two-Way Radios
Audio
SM50M1 Two-Way Radio Remote Speaker Microphone
SM26M1 Handheld Radio Speaker Microphone
EHM15-A Two-Way Radio D-Style Earpiece
ACM-01 Two-Way Radio Push-to-Talk and MIC Cable
ES-01 Two-Way Radio Audio Earbud Accessory
EA-01 Two-Way Radio Surveillance Audio Accessory
EH-01 Two-Way Radio Audio Hook Earpiece Accessory
EH-02 Two-Way Radio Audio Swivel Hook Earpiece Accessory
EAS03 Two-Way Radio Surveillance Audio Accessory
Antenna
AN0435H1 UHF Stubby Antenna (400–470MHz)
AN0435W09 UHF Whip Antenna (400–470MHz)
AN0460W19 UHF Whip Antenna (440–470MHz)
AN0141H07 VHF Stubby Antenna (136–147MHz)
AN0153H08 VHF Stubby Antenna with GPS (147–160MHz)
AN0167H07 VHF Stubby Antenna with GPS (160–174MHz)
AN0160H13 VHF Long Antenna with GPS (160–174MHz)
AN0141H06 VHF Stout Long Antenna (136–147MHz)
AN0153H07 VHF Stout Long Antenna (147–160MHz)
AN0167H06 VHF Long Antenna (160–174MHz)
AN0155H08 VHF Long Antenna with GPS (136–174MHz)
Battery
BL1506 1500 mAh Lithium-Ion Smart Battery
BL2018 2000 mAh Lithium-Ion Smart Battery
Carrying
BC08 Two-Way Radio Belt Clip
RO03 Nylon Wrist Strap
NCN011 Nylon Carrying Case
Charger
CH10L23 Single-Unit Charger for Two-Way Radios
CHV09 Vehicle Power Charging Adapter
MCL19 Six-Unit Charger for Two-Way Radios
PS1014 Switching Power Adapter
PS1030 Two-Way Radio Power Adapter
Programming
PC76 Programming Cable
DMR Extended Warranty
DMR Extended Warranty
Systems that work with BD502i DMR Two-Way Radios
Systems
SmartOne DMR Dispatch
Unified Communications and Dispatching
Hytera Bridge
PoC to DMR/Analog Radio Gateway
DMR Tier II Conventional Repeaters
Increase coverage, expand capacity, and improve signal quality
Technical Specifications
| 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 | ±0.5 ppm |
| Antenna impedance | 50 Ω |
| Dimensions (H×W×D) | 4.25" x 2.12" x 1.14", 108×54×29mm |
| Weight | 8 oz. (with AN0435W09 and BL1506) |
| 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 |
| 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 |
| Digital Sensitivity | 0.22μV / BER 5% |
| Analog Sensitivity | 0.22μV (Typical) (12dB SIN AD) 0.4μV (20dB SIN AD) |
| Adjacent channel selectivityTIA-603 | 60dB @ 12.5KHz/70dB @ 25KHz |
| IntermodulationTIA-603 | 65dB @ 12.5/25KHz |
| Spurious response rejectionTIA-603 | 70dB @ 12.5/25KHz |
| Hum & Noise | 40dB @ 12.5KHz 45dB @ 25KHz |
| Rated Audio Power Output | 0.5W |
| Rated Audio Distortion | ≤3% |
| Audio Response | +1 ~ -3dB |
| Conducted spurious emission | < -57 dBm |
| 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 |