A passive repeater is a device for improving the reception of a radio signal in a shielded room. Unlike an active repeater, a passive one does not require either a power source or registration with regulatory authorities.
Instructions
Step 1
Install an antenna in a place where you can receive the signal, which is designed to work in the range in which you intend to receive in another room. This antenna should be located in a location where it is guaranteed not to be hit by lightning and where it cannot be exposed to atmospheric precipitation.
Step 2
Connect a cable capable of transmitting RF energy in the desired range to the antenna. This cable must be matched with the antenna in such a parameter as characteristic impedance.
Step 3
Run the cable from the antenna to the room where you intend to receive the signal.
Step 4
Connect another antenna to the opposite end of the cable. It, in turn, must also be designed to operate in the desired range, and also be matched with the cable in terms of characteristic impedance.
Step 5
Indoors, install a receiver with its own built-in antenna. You can also use low-power transmitting devices, for example, standards IMT-MC-450, GSM / GPRS / EDGE, 3G, WiMax, PMR, LPD. But powerful transmitting devices (even of the CBS range) cannot be used in conjunction with passive repeaters.
Step 6
Test the manufactured passive repeater in operation. Indoor signal reception should increase significantly. If we are talking about Internet access, the data transfer speed should increase almost to the upper limit set by the tariff plan you are using.
Step 7
If you intend to use equipment operating in different bands in a shielded room, use several passive repeaters designed to operate in the appropriate frequency bands.
Step 8
When using transmitting devices in a room equipped with a passive repeater, do not bring their built-in antennas close to your head. Make sure that people do not come close to the antenna located at the opposite end of the cable.
