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Item#: 3501


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Product Description

Wireless audio transmitter receiver with 4 pcs transmitter, support telephone line monitor (GM009)

Wireless audio transmission
4 pcs transmitter sensor
Support telephone line monitor
Built-in battery

The GM009 professional wireless audio monitor is the newest product of GM series, which has own unique design and uses leading-edge devices. With the help of two receive channels, the GM009 can match with varieties of monitor heads. It has characteristics as clear sound, far distance, small size and perfect functions. The GM009 would be a best friend of you especially you are at home, hotel or business.
Technique parameter and functions:
1. Receiving equipment: Two receive channels, A and B which is for broadband. The receiving equipment uses a high energy lithium battery, 800mah, and has audio output jack and headset jack. There is a tuning knob on the top which is used for different monitor heads. Vol. 90*57*23mm
2. Long-distance monitor head: When it works, please turn on channel A, and the long distance can be as far as 2800m in the open. The lithium battery inside enable it to work about 12h. It is convenient work in a security monitoring system to have jack(3.5mm) of 12V DC fixed transmission frequency. VOL. 50*33*20mm
3. Mini monitor head: When it works, please turn on channel B, and the longest distant can be as far as 500m in the open. Above 36hours work time (even 86hours, according to the condition), because it use a CR2032 high-quality lithium-ion buttion battery. VOL.: 25*22*13mm
4. Phone box monitor head: It is a patch in the standard 48v or 50V DC power feed witch system telephone line monitoring device, no battery and with the use of channel B, somebody can monitor indoor dynamic from 300meters away. The monitor head will work to monitor telephone conversations automatically, when installed correctly. It is very suitable for families, hotels, offices, etc. For all-weather monitoring. Appearance: Ordinary telephone box(55*40*24)
5. (all directions) of sound picking up is about 12Db. Differentiate rate is high within 100 square meters. It is excellent for using to achieve very good sound sub-braid rate, in the relative calm of the field

How to use the telephone box monitor.
Pull out the telephone line from the normal use of the standard uniform and insert it into the phone box monitor head's in hole. Next insert another telephone line into the phone box monitor head's out hole, and link the telephone line to the telephone and fix the phone box monitor head at a right place. Don't twist the telephone lines. Turn on the channel B on the receive equipment, and turn the tuning knob till you hear clear voice in other place. When you are monitoring the telephone, it may need little adjustment on the tuning knob before you hear clear voice. You'd better adjust again after a telephone call in order to monitor clearly. The phone box monitor head works even on telephone line is liked to its out hole.




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  • Model: GM009
  • Manufactured by: LIGHTNINGCELL

Authorised reseller for Uniden, GME, Oricom, Garmin, CTEK, EnGenius, Telstra, Lutron, Swann
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