High-Security Outdoor Wireless Communications Bridge

摘要

An appliance for transmitting and receiving encrypted wireless network signals, preferably, in a 900 MHz band, includes a radio frequency module, coupled to a cryptographic module, which, in turn is coupled to an Ethernet interface module and a power-over-Ethernet splitter. The components are affixed to a thermally conductive substrate that is mounted to the floor of a chamber defined by a thermally conductive housing.

主权项

1. An apparatus for enabling encrypted communication between a local area network and a wireless unsecured network, said wireless unsecured network consisting of signals modulated at a frequency of about 900 MHz, said apparatus comprising:
a transceiver coupled to an antenna via a conductor and configured to receive and demodulate an encrypted wireless network data signal from said wireless unsecured network and output an encrypted data signal; a cryptographic module having an input and an output, and configured to receive said encrypted data signal and convert said encrypted data signal to a decrypted signal; an Ethernet interface module coupled to said decrypted signal, and coupled to a local computer network and configured to output an Ethernet data signal to said local computer network and to receive outbound Ethernet data signal from said computer network; a splitter for diverting a power signal from said outbound Ethernet data signal and conducting said power signal to said transceiver, and said cryptographic module; and a housing defining an interior chamber in which is housed said transceiver, cryptographic module, Ethernet interface module and splitter, said housing having an aperture defined within a wall of said housing extending from said chamber through which said conductor extends to an exterior of said housing.