Hytera PD795 Ex Atex Radio
 

Frequency range

VHF: 136 - 174 MHz
UHF: 400 - 470 MHz

Supported operating modes

• DMR Tier II (conventional DMR)
• DMR Simulcast
• XPT Digital Trunking
• DMR Tier III (DMR trunked radio)
• Analog, MPT 1327

DMR Tier II in accordance with ETSI TS 102 361-1/2/3
DMR Tier III in accordance with ETSI TS 102 361-1/2/3/4

Number of channels

1024

Number of zones

64 (with up to 16 channels each)

Channel spacing

12.5 / 20 / 25 kHz (analog)
12.5 kHz (digital)

Operating voltage

7.4 V (nominal)

Standard battery

1800 mAh (lithium-ion battery)

Battery service life (5-5-90 duty cycle, high transmitting power, standard battery)

approx. 13 h (analog)
approx. 15 h (digital)

Frequency stability

±1.5 ppm

Antenna impedance

50 Ω

Dimensions (H×W×D, without antenna)

141 x 55 x 39 mm

Weight (with antenna and standard battery)

495 g

LCD display

1.8 inches, 160 x 128 pixels, 65.535 colours

Transmitting power

1 W

Modulation

11K0F3E at 12.5 kHz
14K0F3E at 20 kHz
16K0F3E at 25 kHz

4FSK digital modulation

12.5 kHz (data only): 7K60FXD
12.5 kHz (data and voice): 7K60FXW

Interfering signals and harmonics

-36 dBm (< 1 GHz)
-30 dBm (> 1 GHz)

Modulation limiting

±2.5 kHz at 12.5 kHz
±4.0 kHz at 20 kHz
±5.0 kHz at 25 kHz

Noise cancellation

40 dB at 12.5 kHz
43 dB at 20 kHz
45 dB at 25 kHz

Adjacent channel selectivity

60 dB at 12.5 kHz
70 dB at 20/25 kHz

Audio response

+1 dB to -3 dB

Audio distortion

≤ 3 %

Digital vocoder type

AMBE+2^™

Sensitivity (analog)

0.3 μV (12 dB SINAD)
0.22 μV (typical) (12 dB SINAD)
0.4 μV (20 dB SINAD)

Sensitivity (digital)

 0.3 μV / BER 5 %

Adjacent channel selectivity

TIA-603: 60 dB at 12.5 kHz / 70 dB at 20 and 25 kHz
ETSI: 60 dB at 12.5 kHz / 70 dB at 20 and 25 kHz

Intermodulation

TIA-603: 70 dB at 12.5/20/25 kHz
ETSI: 65 dB at 12.5/20/25 kHz

Spurious response rejection

TIA-603: 70 dB at 12.5/20/25 kHz
ETSI: 70 dB at 12.5/20/25 kHz

Signal-noise ratio (S/N)

40 dB at 12.5 kHz
43 dB at 20 kHz
45 dB at 25 kHz

Nominal audio power output

0.5 W

Audio distortion

≤ 3 %

Audio response

+1 dB to -3 dB

Conducted spurious emission

< -57 dBm

Operating temperature range

-20 °C to +50 °C

Storage temperature range

-40 °C to +85 °C

ESD

IEC 61000-4-2 (level 4)
±8 kV (contact) ±15 kV (air)

Protection against dust and moisture

IP67

Shock and vibration resistance

MIL-STD-810 C/D/E/F/G

Relative humidity

MIL-STD-810 C/D/E/F/G

Explosion protection

Gas: II 2G Ex ib IIC T4
dust: II 2D Ex ib IIIC T120°C IP5x
mines: I M2 Ex ib I

Time to first fix (TTFF)

< 1 minute (cold start)
< 10 seconds (warm start)

Horizontal accuracy

< 10 m