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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.

Antenna

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Channel Selector

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Transmit/Receive LED

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Power and Volume

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Speaker and Microphone

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Audio Jack

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Micro USB Port

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IP54 Rated

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Push-to-talk Button

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Programmable Button

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Long Life Battery

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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

AN0160H13

VHF Antenna (146-174MHz)

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

Battery

BL1506

1500mAh Li-Ion Battery

1500mAh Li-Ion Battery

Carrying

BC08

Belt Clip

Plastic belt clip with a spring and metal bracket

RO03

Wrist Strap

Nylon wrist strap

Charger

CH10L23

Drop-In Single Unit Charger

General MCU Rapid-rate Charger

PS1014

Standard Switching Power Adapter

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

Optional Accessories for BD502i DMR Two-Way Radios

Audio

SM08M3

Remote Speaker Microphone With 3.5mm Audio Jack and Swivel Clip

Compact designed remote speaker microphone with 3.5mm audio jack (for use with receive-only earpiece) and 360 degree swivel metal clip.

SM26M1

Remote Speaker Microphone (without emergency button)

Small, light and IP54 compliant remote speaker microphone with 2.5mm external audio connector.

ESM12

Earbud with In-line PTT and Microphone (Black)

Earbud (without earpiece) with VOX capability and in-line PTT microphone ensures convenient and reliable communications (Black)

EHM15-A

D-Style Earpiece with In-line PTT and Microphone (Black)

D-style earpiece with in-line PTT and microphone ideal for covert communications (Black)

ACM-01

PTT & MIC Water Proof Cable (for use with receive-only Earpiece)

IP54 compliant base set with PTT button and microphone can be used with a range of Hytera earbuds. The 3.5mm jack enables the replaced earbud to be connected directly to the ACM-01.

ES-01

Earbud without Earpiece (Receive-Only)

Reliable and ergonomically designed earbud to be used with various base sets. 3.5mm jack plug.

EA-01

Earbud with Transparent Acoustic Tube (Receive-Only)

Reliable and ergonomically designed earpiece with transparent acoustic tube to be used with various base sets. 3.5mm jack plug.

EH-01

C-Style Earpiece (Receive-Only)

Ergonomically designed C-style earpiece (Receive only). 3.5mm jack plug.

EH-02

Swivel Style Earpiece (Receive-Only)

Ergonomically designed swivel earpiece (Receive only). 3.5mm jack plug.

EHS17

Swivel Style Earpiece (Receive Only)

Ergonomically designed swivel earpiece (Receive only). 2.5mm jack plug.

EHS18

C-Style Earpiece (Receive Only)

Ergonomically designed C-style earpiece (Receive only). 2.5mm jack plug.

EAS03

Receive-Only Transparent Acoustic Tube Earpiece

Receive-Only Transparent Acoustic Tube Earpiece

Antenna

AN0435H13

UHF Antenna (400-470MHz)

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

AN0435W09

UHF Antenna (400-470MHz)

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

AN0460W19

UHF Antenna (440-470MHz)

UHF Long and fine antenna SMA connector 440-470MHz

AN0141H07

VHF/GPS Antenna (136-147MHz/1575MHz)

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

AN0153H08

VHF/GPS Antenna (147-160MHz/1575MHz)

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

AN0167H07

VHF/GPS Antenna (160-174MHz/1575MHz)

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

AN0160H13

VHF Antenna (146-174MHz)

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

AN0141H06

VHF Antenna (136-147MHz)

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

AN0153H07

VHF Antenna (147-160MHz)

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

AN0167H06

VHF Antenna (160-174MHz)

VHF Stout Long Antenna, SMA connector, 160-174MHz, 17cm, with Hytera logo

AN0155H08

VHF/GPS Antenna (136-174MHz/1575MHz)

VHF Stout Long Antenna, SMA connector, 136-174MHz, GPS 1575MHz, 20cm, with Hytera logo

Battery

BL1506

1500mAh Li-Ion Battery

1500mAh Li-Ion Battery

BL2018

2000mAh Li-ion battery

2000mAh Li-ion battery BD5i

Carrying

BC08

Belt Clip

Plastic belt clip with a spring and metal bracket

RO03

Wrist Strap

Nylon wrist strap

NCN011

Nylon Carrying Case

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

Charger

CH10L23

Drop-In Single Unit Charger

General MCU Rapid-rate Charger

CHV09

Vehicle Power Adapter

In the vehicle charging solution convenient for portable radio batteries.

MCL19

Multi-unit Charger

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

PS1014

Standard Switching Power Adapter

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

PS1030

Power Adapter (Micro USB)

Power adapter (Micro USB) for PD3 series enables hassle free charging via PC or laptop

Programming

PC76

Data programming cable

Data Programming Cable (USB Port)

DMR Extended Warranty

DMR Extended Warranty

DMR Extended Warranty

Extended warranty adds 2 years to the standard 3 year Hytera DMR product warranty for a total of 5 years of warranty protection.

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

Hytera DMR Tier II Conventional Repeater Systems increase coverage, expand capacity, and improve signal quality

Technical Specifications

General data

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)

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

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 & 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

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