DP770 General

Frequency Range

400~470MHz

Channel Capacity

1024

Channel Spacing

12.5KHz/25KHz

Operating Voltage

7.5V DC ±20%

Battery

2000mAh Li-ion (Standard)

Dimension(with battery and antenna)

137mm×55mm×35mm

Weight(with battery and antenna)

350g
Transmitter

Frequency Stability

±1.5 ppm

Power Output

1W/4W

Modulation Limiting

2.5kHz at 12.5KHz, 5kHzAT25kHz

FM Hum and Noise

-40dBAT12.5kHz   -45dBAT25kHz

Conducted/Radiated Emission

-36dBmAT<1GHz, -30dBmAT>1GHz

Adjacent Channel Power

-50dBAT12.5KHz, -60dBAT25KHz

Audio Response

+1dB,-3dB

Audio Distortion

3%

4FSK Digital Modulation

12.5KHz(data only):7K60FXD
12.5KHz(data+voice):7K60FXE

Digital Protocal

ETSI TS 102 361-1, -2, -3
Receiver

Frequency Stability

±1.5 ppm

Analog Sensitivity

0.35μV /-116dBm(12 dB SINAD)

Digital Sensitivity

0.22μV /-120dBm

Intermodulation

TIA603C:70dB   ETSI:65dB

Adjacent Channel Selectivity

ETSI: 60dBAT12.5kHz,70dBAT25kHz

Spurious Response Rejection

TIA603C:75dB   ETSI:70dB

Rated Audio Power

1.5W±0.1W

Rated Audio Distortion

3% (Typical)

Hum and Noise

-40dBAT12.5kHz   -45dBAT25kHz

Audio Response

+1dB,-3dB

Conducted Spurious Emission

-57dBmAT < 1GHz,-47dBm AT> 1GHz
Environmental Specifications

Operating Temperature

-30C~+60C

Storage Temperature

-40C~+85C

Thermal Shock

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

Humidity

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

ESD

IEC 61000-4-2(level 4)

Dustproof & Waterproof

IP67