Specifications

General

Frequency Range
UHF: 446 MHz
Channel Capacity
32
Zone Capacity
3
Channel Spacing
25 / 20 / 12.5 kHz
Operating Voltage
7.4 V (nominal)
Battery
2000mAh (Li-ion)
Battery Life
Analogue/digital: ~16/18 hours
Dimensions (H×W×D)
115 x 54 x 27 mm
Weight
260g

Transmitter

RF Output Power
0.5W
FM Modulation
11K0F3E @ 12.5 kHz; 14K0F3E @ 20 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; ±4.0 kHz @ 20 kHz; ±5.0 kHz @ 25 kHz
FM Hum and Noise
40 dB @ 12.5 kHz; 43 dB @ 20 kHz; 45 dB @ 25 kHz
Adjacent Channel Power
60 dB @ 12.5 kHz; 70 dB @ 20/25 kHz
Audio Distortion
≤3%

Receiver

Sensitivity (Analogue)
0.22 μV (12 dB SINAD)
Sensitivity (Digital)
0.22 μV / BER 5%
Adjacent Channel Selectivity
ETSI: 60 dB @ 12.5 kHz / 70 dB @ 20/25 kHz; TIA-603: 60 dB @ 12.5 kHz / 70 dB @ 20/25 kHz
Intermodulation
ETSI: 65 dB @ 12.5/20/25 kHz; TIA-603: 70 dB @ 12.5/20/25 kHz
Spurious Response Rejection
ETSI: 70 dB @ 12.5/20/25 kHz; TIA-603: 70 dB @ 12.5/20/25 kHz
Blocking
>84 dB
Hum and Noise
40 dB @ 12.5 kHz; 43 dB @ 20 kHz; 45 dB @ 25 kHz
Audio Output Power
0.5 W
Audio Distortion
≤3%

Environmental

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

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 PD505LF Licence-Free DMR Handportable Radio Hytera BD505LF Licence-Free DMR Handportable Radio Hytera PD365 Professional DMR Handportable Radio Hytera PD365LF Professional Licence-Free DMR Handportable Radio
Frequency Range UHF: 446 MHzUHF: 446 MHzUHF: 430-470 MHzUHF: 446 MHz (PMR446)
RF Output Power 0.5W0.5 WUHF HP: 3 W; UHF LP: 1.5 W0.5W
Channel Capacity 324825616
Zone Capacity 33161
Battery 2000mAh (Li-ion)1500mAh (Li-ion); 2000mAh (Li-ion)2000 mAh (Li-ion)2000 mAh (Li-ion)
Battery Life Analogue/digital: ~16/18 hoursAnalogue: > 17 hours; digital: > 20 hours (5/5/90 duty cycle, high power)Analogue: ~11 hours, digital: ~15 hoursAnalogue: > 10 hours, digital: > 12 hours
Weight 260g228 g (with BL1506 and antenna)160g160g
Dimensions (H×W×D) 115 x 54 x 27 mm108 × 54.5 × 28 mm106 × 54 × 23 mm106 × 54 × 23 mm
Channel Spacing 25 / 20 / 12.5 kHz25 kHz / 12.5 kHz12.5 / 25 kHz12.5 / 25 kHz
Operating Voltage 7.4 V (nominal)7.4V3.7V3.7 V (nominal)
Sensitivity (Analogue) 0.22 μV (12 dB SINAD)0.18μV (12 dB SINAD)0.18 μV (12 dB SINAD)0.18 μV (12 dB SINAD)
Sensitivity (Digital) 0.22 μV / BER 5%0.18μV / BER 5%0.18 μV / BER 5%0.18 μV / BER 5%

Hytera PD505LF Licence-Free DMR Handportable Radio — Detail

Technical assessment

The Hytera PD505LF operates across UHF: 446 MHz.

RF output power is 0.5W. 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 32 channels across 3 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 2000mAh (Li-ion), with a manufacturer-quoted life of Analogue/digital: ~16/18 hours. 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 0.22 μV / 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.

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