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8GHz frequencies such as the one found in this outdoor wireless security camera. These RF or Analog wireless transmitters were limited to clear line of sight, meaning there must be a unobstructed view between the antennas connected to the receiver and transmitter. While this requirement was doable for outdoor applications, it made it impossible to use these devices for other applications because of interference from obstacles. The main advantage of using analog video transmitters which still holds true today is for Real Time video transmission; if you want delay free video for a manufacturing process then they are still the equipment of choice. The recent advancements in cmos camera sensor technology have allowed great reductions in pricing for megapixel IP cameras, thus enabling the average consumer to afford high definition video. At the same time, prices for wireless access points have become affordable and WiFi radio technology has become more reliable.medical pendants
g. , cameras, video cameras, scanners, photo sensor units. The radios 440 enable one or more radio communication networks in the smart home environments, and allow a smart device 204 to communicate with other devices. In some implementations, the radios 440 are capable of data communications using any of a variety of custom or standard wireless protocols e. g. , IEEE 802.