Specifications

General

Frequency Range
UHF: 400-470 MHz; VHF: 136-174 MHz
Channel Capacity
256
Zone Capacity
16
Channel Spacing
25 kHz / 12.5 kHz
Operating Voltage
7.2V
Battery
Standard: 1,500 mAh (Li-ion); optional: 2,000 mAh (Li-ion)
Battery Life
Analogue: 12 hours (1,500 mAh), 16 hours (2,000 mAh); digital: 16 hours (1,500 mAh), 22 hours (2,000 mAh) (5/5/90 duty cycle, high power)
Frequency Stability
±0.5 ppm
Antenna Impedance
50 Ω
Dimensions (H×W×D)
109 × 54 × 32 mm
Weight
250 g (with AN0435W09 and BL1506)
Display
OLED

Environmental

Operating Temperature
-30°C ~ +60°C
Storage Temperature
-40°C ~ +85°C
ESD
IEC 61000-4-2 Level 4; ±15 kV (air), ±8 kV (contact)
Dust and Water Protection
IP54
Humidity, Vibration and Drop
To MIL-STD-810G

Receiver

Sensitivity (Analogue)
0.18μV (12 dB SINAD)
Sensitivity (Digital)
0.18μV / BER 5%
Adjacent Channel Selectivity
TIA-603: 60 dB @ 12.5 kHz / 70 dB @ 25 kHz
Intermodulation
TIA-603: 65 dB @ 12.5/25 kHz
Spurious Response Rejection
TIA-603: 70 dB @ 12.5/25 kHz
Blocking
ETSI: 84 dB
Hum and Noise
40 dB @ 12.5 kHz; 45 dB @ 25 kHz
Audio Output Power
0.5 W
Audio Distortion
≤3%
Audio Frequency Response
+1 ~ -3 dB
Conducted Spurious Emission
< -57 dBm

Transmitter

RF Output Power
UHF low: 1 W; UHF high: 4 W; VHF low: 1 W; VHF high: 5 W
FM Modulation
11K0F3E @ 12.5 kHz; 16K0F3E @ 25 kHz
4FSK Digital Modulation
12.5 kHz data: 7K60FXD; 12.5 kHz data + voice: 7K60FXW
Spurious Emission / Radiation
< -30 dBm @ > 1 GHz; < -36 dBm @ < 1 GHz
Modulation Limit
±2.5 kHz @ 12.5 kHz; ±5.0 kHz @ 25 kHz
FM Hum and Noise
40 dB @ 12.5 kHz; 45 dB @ 25 kHz
Adjacent Channel Power
60 dB @ 12.5 kHz; 70 dB @ 25 kHz
Audio Distortion
≤3%
Digital Vocoder Type
AMBE+2™
Digital Protocol
ETSI-TS102 361-1,-2,-3

Compare Similar Models

Only the technical values that differ between models are listed; identical rows are omitted. Values are taken from the manufacturer’s published data sheets.

Property Hytera BD555 Professional DMR Handportable Radio Hytera BD505 Professional DMR Handportable Radio Hytera BD505LF Licence-Free DMR Handportable Radio Hytera BD619 Professional DMR Handportable Radio
Frequency Range UHF: 400-470 MHz; VHF: 136-174 MHzUHF: 350-400MHz / 400-470MHz / 410-480MHz; VHF: 136-174 MHzUHF: 446 MHzUHF: 400-470 MHz; VHF: 136-174 MHz
RF Output Power UHF low: 1 W; UHF high: 4 W; VHF low: 1 W; VHF high: 5 WUHF low: 1 W; UHF high: 4 W; VHF low: 1 W; VHF high: 5 W0.5 WUHF: 4W / 1W; VHF: 5W / 1W
Channel Capacity 256484848
Zone Capacity 16333
Battery Standard: 1,500 mAh (Li-ion); optional: 2,000 mAh (Li-ion)Standard: 1,500 mAh (Li-ion); optional: 2,000 mAh (Li-ion)1500mAh (Li-ion); 2000mAh (Li-ion)1500mAh (Li-ion)
Battery Life Analogue: 12 hours (1,500 mAh), 16 hours (2,000 mAh); digital: 16 hours (1,500 mAh), 22 hours (2,000 mAh) (5/5/90 duty cycle, high power)Analogue: 12 hours (1,500 mAh), 16 hours (2,000 mAh); digital: 16 hours (1,500 mAh), 22 hours (2,000 mAh) (5/5/90 duty cycle, high power)Analogue: > 17 hours; digital: > 20 hours (5/5/90 duty cycle, high power)Digital: 16 hours; analogue: 12 hours (5/5/90 duty cycle, high power)
Weight 250 g (with AN0435W09 and BL1506)236 g (with antenna and BL1506)228 g (with BL1506 and antenna)240 g (with standard battery and antenna)
Dimensions (H×W×D) 109 × 54 × 32 mm108.6 × 54.5 × 32 mm108 × 54.5 × 28 mm110 × 55 × 32 mm
Operating Voltage 7.2V7.2V7.4V7.2 V (nominal)
Adjacent Channel Selectivity TIA-603: 60 dB @ 12.5 kHz / 70 dB @ 25 kHzTIA-603: 60 dB @ 12.5 kHz / 70 dB @ 25 kHzETSI: 60 dB @ 12.5 kHzTIA-603: 60 dB @ 12.5kHz / 70 dB @ 25 kHz
Intermodulation TIA-603: 65 dB @ 12.5/25 kHzTIA-603: 65 dB @ 12.5/25 kHzETSI: 65 dB @ 12.5 kHzTIA-603: 65 dB @ 12.5 / 25 kHz
Spurious Response Rejection TIA-603: 70 dB @ 12.5/25 kHzTIA-603: 70 dB @ 12.5 / 25 kHzETSI: 70 dB @ 12.5 kHzTIA-603: 65 dB @ 12.5 / 25 kHz

Compatible Accessories

Hytera BD555 Professional DMR Handportable Radio — Detail

Technical assessment

The Hytera BD555 operates across UHF: 400-470 MHz; VHF: 136-174 MHz. Several band versions exist; which one to buy follows from the frequency assigned to your organisation. UHF passes between walls and obstructions more readily, which is why it is preferred inside buildings, industrial plants and dense urban areas. VHF carries further over open ground and water at the same power.

RF output power is UHF low: 1 W; UHF high: 4 W; VHF low: 1 W; VHF high: 5 W. More power is not automatically better: it extends range and shortens battery life at the same time. Teams working close to a repeater are usually served by the low setting, which also lengthens the shift.

Capacity is 256 channels across 16 zones. A zone is a page of grouped channels — separate zones are defined for different sites, different shifts or joint working with another organisation. On a multi-site system that grows, this is what lets the channel plan be extended without a rebuild.

Battery Standard: 1,500 mAh (Li-ion); optional: 2,000 mAh (Li-ion), with a manufacturer-quoted life of Analogue: 12 hours (1,500 mAh), 16 hours (2,000 mAh); digital: 16 hours (1,500 mAh), 22 hours (2,000 mAh) (5/5/90 duty cycle, high power). That figure is measured against the 5/5/90 duty cycle: 5% of the time transmitting, 5% receiving, 90% standby. High power, analogue mode and cold weather all shorten it.

Receiver sensitivity is 0.18μV / BER 5%. Sensitivity states how weak a signal the radio can still decode, and a lower number is better. At the edge of coverage it determines range as much as transmit power does — communication usually fails not because the other party cannot hear, but because the radio cannot decode a weak signal.

Operating temperature range is -30°C ~ +60°C.

The digital protocol is ETSI-TS102 361-1,-2,-3 — the ETSI DMR standard. Basic communication with other manufacturers’ radios is possible in standard Tier II mode; advanced trunking, vendor encryption and fleet management features do not carry across brands.

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