You can connect multiple receivers to one recording device, such as security DVR.Digital signal means you can transmit commands and functions, such as turning lights on and off.Two-way communication between the camera and the receiver.Wide transmission range-usually close to 450 feet (open space, clear line of sight between camera and receiver).One-way communication only: it is not possible for the receiver to send signals back to the camera.ĭigital wireless is the transmission of audio and video analog signals encoded as digital packets over high-bandwidth radio frequencies.Susceptible to interception: because analog wireless uses a consistent frequency, it is possible for the signals to be picked up by other receivers.No signal strength indicator: there is no visual alert (like the bars on a cellular phone) indicating the strength of your signal.Susceptible to interference from other household devices, such as microwaves, cordless phones, video game controllers, and routers.Multiple receivers per camera: the signal from one camera can be picked up by any receiver you can have multiple receivers in various locations to create your wireless surveillance network.Cost effective: the cost of individual cameras is low.900 MHz is known for its ability to penetrate through barriers like walls and vegetation.
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The main difference between 2.4 and 5 GHz frequencies is range. Most household routers, cordless phones, video game controllers, and microwaves operate on the 2.4 GHz frequency and may cause interference with a wireless security camera. Currently, the majority of wireless security cameras operate on the 2.4 GHz frequency. Typically, analog wireless has a transmission range of around 300 feet (91 meters) in open space walls, doors, and furniture will reduce this range.Īnalog wireless is found in three frequencies: 900 MHz, 2.4 GHz, and 5.8 GHz. Analog wireless is the transmission of audio and video signals using radio frequencies.