Microwave Forum
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...this repeater looks like a radio fixed part... (RFP) or wireless relais station (WRS) that is used in big firms to cover a large area. Most of them have RJ45 connectors and external antenna plugs. German laws permitt this device to connect hight gain directional antennas to cover a small radius of up to 5km.
For more information try looking after product number and search the Phillips homepage.
This repeaters have many usefull things like a discret VCO, 500mW power AMP, and many other things. But it's much harder to build a cell jammer from this parts because a cellphone contain much more usefull.
Also the VCO is dubbled from 900Mhz to 1800Mhz before the signal get amplifiered and swiched.
If you like to run this repeater you may need a hole (CCPP) central control fixed part ,,, and this is not a cheep solution...!!!
I don't get a e-mail from you....!!! if you don't use --- that's my old adress... and my new one!!!