U channel single hole TEL connector monitor & wiretap recorder->surveillance equipment

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U channel single hole TEL connector monitor & wiretap recorder

Category :

Information Technology->Terminals->surveillance equipment

U channel single hole TEL connector monitor & wiretap recorder

Product Specification

Model No:	SPY-T2921

Country	TW

Product Detail

*Use the power supply directly from the telephone.

*During surveillance, the voice kept the good quality like the one through the phone.

*Wireless transmission is about 1.5 kilometer, effective penetration rate is about 20 cement walls, and record or monitor directly.

*Voice control recording function which can transmit voice to 1.5 kilometer and record automatically and stop recording when there is no voice.

*Record automatically when the telephone's headphones are picked up and stopped recording when the headphones are put down. So it can save the capacity of cassette.

*Quartz vibration mode made frequency transmission much stable and long distance: sea lever 1.5 kilometer.

*Special VHF frequency transmission different from general FM wireless radio frequency width.

*Disguised type and hard to be found, installed easily. Can be used as long as plugged into telephone.

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