High Quality Professional HYT PD790Ex interphone

interphone Specifications:

Basic information

Frequency range VHF : 136-174MHz

UHF1: 400-470MHz

Channel number 1024

Group number 64 ( each with up to 16 channel )

Channel spacing of 25 / 20 / 12.5 KHz

Working voltage rated 7.4V

Battery 1800mAh ( Li-Ion )

Average battery working time

( 5-5-90 work cycle, high power transmitter )

2000mAh high capacity lithium battery simulation: more than 10.5 hours

Digital: more than 14 hours

Frequency stability + 1.5ppm

Antenna impedance 50 ohm

Size ( high X width X depth )

( with a standard battery, with 55 X 39mm / 141X antenna )

Weight ( with a standard battery and antenna ) 550G

LCD display 160 x 128 pixels, 65535 color

1.8 Inch, 4 lines

Transmission part

The output power of 1W

FM modulation 11K than F3E @ 12.5 kHz

14K than F3E @ 20 kHz

16K than F3E @ 25 kHz

4FSK digital modulation data only: 7K60FXD 12.5kHz

The 12.5kHz data and voice: 7K60FXW

Transmitter spurious - 36dBm < 1GHz

- 30dBm > 1GHz

Modulation limiting + 2.5kHz @ 12.5 kHz

+ 4.0kHz @ 20 kHz

+ 5.0kHz @ 25 kHz

FM 40dB @ 12.5 kHz noise

43dB @ 20KHz

45dB @ 25 kHz

Adjacent channel power 60dB @ 12.5 kHz

70dB @ 20 / 25 kHz

Audio response + 1 ~ - 3dB

Audio distortion is less than or equal to 3%

Digital speech coder AMBE + + or SELP

Receiving part

Sensitivity

Simulation of 0.3 V ( 12dB SINAD )

0.22 u V ( typical value ) ( 12dB SINAD )

0.4 ~ V ( 20dB SINAD )

Figure 0.3 u V / BER5%

Adjacent channel selectivity

TIA-603

ETSI

60dB @ 12.5 @ 20&25 kHz kHz / 70dB

60dB @ 12.5 @ 20&25 kHz kHz / 70dB

Intermodulation

TIA-603

ETSI

70dB @ 12.5 / 20 / 25 kHz

65dB @ 12.5 / 20 / 25 kHz

Spurious response inhibition

TIA-603

ETSI

70dB @ 12.5 / 20 / 25 kHz

70dB @ 12.5 / 20 / 25 kHz

The signal to noise ratio 40dB @ 12.5 kHz

43dB @ 20KHz

45dB @ 25 kHz

Rated audio-frequency output power 0.5W

Rated audio distortion is less than or equal to 3%

Audio response + 1 ~ - 3dB

Conduction and radiation < - 57 dBm

Environmental index

Operating temperature range - 20 degrees to + 50 degrees C.

Storage temperature range of - 40 degrees to + 85 degrees C.

ESD ( electrostatic protection grade ) IEC 61000-4-2 ( Level 4 )

+ 8kV ( contact discharge )

+ 15kV ( air discharge )

American military standard MIL-STD-810 C / D / E / F

Waterproof and dustproof IP67 standard

Moisture proof according to the MIL-STD-810 C / D / E / F standard

Shock and vibration according to the MIL-STD-810 C / D / E / F standard

GPS ( PD780G only )

TTFF ( time to first fix ) cold start < 1

TTFF ( time to first fix ) hot start < 10 seconds

Horizontal position accuracy of < 10

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interphone Company Profile:

Brief Introduction

Guangzhou Etmy Co., Ltd., founded in 2008, is a manufacturer specialized in the research, development and production of walkie-talkies. We are located in Guangzhou, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.

All customers who would like to pay a visit to our company will be warmly welcomed !

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