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

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HIGH QUALITY AUDIO

Audio equalizer adjusts low, mid, and high frequency gain. Provides the best audio performance in noisy or quiet environments.

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RELIABLE AND DURABLE

Compliant with MIL-STD-810-G for shock and vibration. · IP54 rated for water and dust resistance.

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DMR

DMR signaling enables group call, private call, and all call transmitting with PTT ID. Supports DMR Tier II repeaters to extend coverage.

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PSEUDO TRUNKING

This virtual trunking feature automatically uses whichever digital timeslot is free to improve call connectivity and frequency efficiency.

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VOX

Voice activated microphone enables hands free operation. Also supported on external earpiece and microphone accessories.

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ANTI-INTERFERENCE

Digital encoding and error correcting reduces signal interference on the same frequency..

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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.

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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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EMERGENCY CALLING

One-touch Emergency Alarms can be sent to other radios with the programmable button. · Improves worker safety and emergency response time.

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SCANNING

Allows listening to communication activities on other channels.

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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

Frequency RangeUHF: 400-470 MHz VHF: 146-174 MHz
Channel Capacity 48 Channels (24 Analog, 24 Digital)
Zone Capacity3 Zones with 16 Channels per Zone
Channel Spacing25/12.5KHz
Operational Voltage3.7 V
Battery1500Ah (Li-Ion) 2000Ah (Li-Ion)
Battery Life (5/5/90)Analog: 12/16 hours (1500mAh) Digital:16/22 hours (2000mAh)
Weight8 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 Impedance50Ω
Digital Sensitivity0.22μV / BER 5%
Analog Sensitivity0.22μV (Typical) (12dB SIN AD) 0.4μV (20dB SIN AD)
Adjacent channel selectivityTIA-60360dB @ 12.5KHz/70dB @ 25KHz
IntermodulationTIA-60365dB @ 12.5/25KHz
Spurious response rejectionTIA-60370dB @ 12.5/25KHz
Hum and Noise40dB @ 12.5KHz 45dB @ 25KHz
Rated Audio Power Output0.5W
Rated Audio Distortion≤3%
Audio Response+1 to -3dB
Conducted Spurious Emission<-57dBm
RF Power OutputVHF High Power: 5W, VHF Low Power: 1W UHF High Power: 4W, UHF Low Power: 1W
FM Modulation11K0F3E @ 12.5KHz 16K0F3E @ 25KHz
4FSK Digital Modulation12.5 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 Noise40dB @ 12.5kHz, 45dB @ 25kHz
Adjacent Channel Power60dB @ 12.5kHz, 70dB @ 25kHz
Audio Response+1 to -3dB
Audio Distortion≤3%
Digital Vocoder TypeAMBE+2TM
Digital ProtocolETSI-TS102 361-1,-2,-3
Operating Temperature-30 °C to +60 °C
Storage Temperature-40 °C to +85 °C
ESDIEIEC 61000-4-2 (level 4) ±8 kV (contact ) ±15 kV (air)
Dust and Water IngressIP54 Standard
HumidityPer MIL-STD-810 C/D/E/F/G Standard
Shock and VibrationPer MIL-STD-810 C/D/E/F/G Standard
BD502i-U1UHF 400-470MHz (Antenna 400-470MHz), 1-4W
BD502i-V1VHF 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