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HT-7800 wireless handheld walkie-talkie quality goods

$48.99

Availability: In stock

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HT - 7800 wireless handheld walkie-talkie quality goods
Model : 1372613627

Details

Product synopsis:

1, the frequency range:136-150 MHZ / 136-174 MHZ420/450/400 ~ ~ 470 MHZ.
2, 16 channel frequency synthesis, can transceiver pilot frequency, half duplex.
3, built-in 38 CTCSS and 83 group DQT digital mute audio functions.
4, 2 w rf power output, audio output for 500 mw.
5, SMA antenna connectors, high frequency transceiver better.
6, intercom distance, hear the voice clearer.
7, computer frequency, the channel parameters setting, replication, convenient and quick.
8, launch time, save electricity function, low pressure alarm.
9, the latest design, excellent performance, simple to use.
10, fashionable appearance, solid structure, easy to carry.
11, battery automatic protection function, can prevent short circuit, over current, overload damage to the battery.
12, appearance accord with human body engineering, feel is good.

Main functions:

1, the frequency range:136-150 MHZ / 136-174 MHZ420/450/400 ~ ~ 470 MHZ.
2, 16 channel frequency synthesis, can transceiver pilot frequency, half duplex.
3, built-in 38 CTCSS and 83 group DQT digital mute audio functions.
4, 2 w rf power output, audio output for 500 mw.
5, SMA antenna connectors, high frequency transceiver better.
6, intercom distance, hear the voice clearer.
7, computer frequency, the channel parameters setting, replication, convenient and quick.
8, launch time, save electricity function, low pressure alarm.
9, the latest design, excellent performance, simple to use.
10, fashionable appearance, solid structure, easy to carry.
11, battery automatic protection function, can prevent short circuit, over current, overload damage to the battery.
12, appearance accord with human body engineering, feel is good.

Technical parameters:

 

 

a

a

gauge

"

Frequency range 136-150 MHZ / 136-174 MHZ/ 400-420 MHZ / 400-420 MHZ
Channel number 16
Working voltage 7.2 V LI - ION
Working temperature range - 20 ° - + 60 °
Frequency stability + / - 2.5 PPM
Appearance size (high * length * width) 100 * 51 * 28 mm (not including antenna)
The weight of the 225 g (including battery and antenna)

hair

shoot

The power output 2 w.
Modulation method F3E
Stray radiation < 2.5 mu W
Adjacent power > 65 db
Take up the width 8/16 KHZ
Frequency modulation distortion 3% or less
Signal to noise ratio 34/40 of the db
Modulation characteristics Plus or minus 3 db

Pick up

closed

The sensitivity < 0.2 mu V
Adjacent channel selectivity Or 60/70 db
The perturbation resistance spurious response Or 65/70 db
Audio power 500 mw
Audio distortion 3% or less
Intermodulation interference resistance 65 db or higher

 

 

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