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Electromagnetic coupler system

[Category : - Telecommunications]
[Viewed 2177 times]

This invention makes it possible to communicate through solid non-metallic walls or ceilings with low microwave power levels. RF beam forming couplers are driven by common LAN (Local Area Network) circuits. For connection to a LAN segment at the other side of a wall or ceiling, transceiver 4 transmits data modulated microwave RF to coupler 6 through a directional step attenuator 10. The reduced signal is received by the coupler system at the other side with a power level low enough to eliminate wireless detection from the outside and enabling the transmission through feet thick concrete walls or ceilings at wide band microwave frequencies with privacy.

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Open to any suggestion of purchase with or without production details. Also can be licensed.
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An antenna can be be wireless connected to the inside of a building. No holes, no cable, no power required. !00% lightning protection.
Large industrial potential for wireless sensor networks of refineries, gas and oil storage tanks, water processing plants, security networks etc. entering control buildings.

Patent publications:

US 6963305

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thruwall (United States)

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