BD502i DMR Two-Way Radio
Commercial DMR Two-Way Radio
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.
Functions
HIGH QUALITY AUDIO
Audio equalizer adjusts low, mid, and high frequency gain. Provides the best audio performance in noisy or quiet environments.
RELIABLE AND DURABLE
Compliant with MIL-STD-810-G for shock and vibration. · IP54 rated for water and dust resistance.
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.
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..
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.
LONG-LIFE BATTERY
Powerful 1500mAh Lithium Ion batteries deliver up to 16 hours of operation in digital mode and 12 in analog mode.
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.
AUDIO CHANNEL ANNOUNCEMENT
Channel number voice announcement for fast and accurate channel switching, even in low visibility (BD502i only)
BD502i – Standard Accessories

AN0160H13
VHF Antenna, SMA connector, 146-174MHz, 15cm, no logo

AN0435W09
UHF Whip Antenna, SMA, 16cm, 400-470MHz

BL1506
1500mAh Li-Ion Battery

PS1014
Standard Switching Power Adapter 100-240VAC 12VDC/1A Hytera (RoHS) (for CH10A07 single charger)

CH10L23
General MCU Rapid-rate Charger

BC08
Belt Clip

RO03
Nylon Wrist Strap
BD502i – Optional Accessories

AN0435H13
UHF Stubby Antenna, SMA connector, 400-470MHz, 9cm, with Hytera logo

AN0460W19
UHF Long and fine antenna SMA connector 440-470MHz

AN0141H07
VHF Stubby Antenna, SMA connector,136-147MHz, GPS 1575MHz, 12cm, with Hytera logo

AN0153H08
VHF Stubby Antenna, SMA connector,147-160MHz, GPS 1575MHz, 12cm, with Hytera logo

AN0167H07
VHF Stubby Antenna, SMA connector,160-174MHz, GPS 1575MHz, 12cm, with Hytera logo

AN0160H13
VHF Antenna, SMA connector, 146-174MHz, 15cm, no logo

AN0141H06
VHF Antenna, SMA connector, 136-147MHz, 17cm, with Hytera logo

AN0153H07
VHF Stout Long Antenna, SMA connector, 147-160MHz, 17cm, with Hytera logo

AN0155H08
VHF Stout Long Antenna, SMA connector, 147-160MHz, 17cm, with Hytera logo

BL2018
2000mAh Li-ion battery BD5i

CHV09
In the vehicle charging solution convenient for portable radio batteries.

MCL19
Multi-unit Charger for Li-ion Battery with power supply (12V/7A)

NCN011
Nylon carrying case with half-open design and back-lock belt loop for easy installation

PC76
USB programming cable
Technical Specifications
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 |
| Operational Voltage | 3.7 V |
| Battery | 1500Ah (Li-Ion) 2000Ah (Li-Ion) |
| Battery Life (5/5/90) | Analog: 12/16 hours (1500mAh) Digital:16/22 hours (2000mAh) |
| Weight | 8 oz. (with AN0435W09 and BL1506) |
| Dimensions (H x W x D) | 4.25″ x 2.12″ x 1.14″, 108×54×29mm |
| Frequency Stability | ± 0.5ppm |
| Antenna Impedance | 50Ω |
Receiver
| 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 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 | 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 and Noise | 40dB @ 12.5kHz, 45dB @ 25kHz |
| Adjacent Channel Power | 60dB @ 12.5kHz, 70dB @ 25kHz |
| Audio Response | +1 to -3dB |
| Audio Distortion | ≤3% |
| Digital Vocoder Type | AMBE+2TM |
| Digital Protocol | ETSI-TS102 361-1,-2,-3 |
Enviromental
| Operating Temperature | -30 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| ESD | IEIEC 61000-4-2 (level 4) ±8 kV (contact ) ±15 kV (air) |
| Dust and Water Ingress | IP54 Standard |
| Humidity | Per MIL-STD-810 C/D/E/F/G Standard |
| Shock and Vibration | Per MIL-STD-810 C/D/E/F/G Standard |
Ordering Information
| BD502i-U1 | UHF 400-470MHz (Antenna 400-470MHz), 1-4W |
| BD502i-V1 | VHF 136-174MHz (Antenna 153-164MHz), 1-5W |

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
