If you have a 447 MHz alarm unit, you may natural event interference (remote doesn't work, reduced range, intermittent, won't remotely receive alarm) to it's operation. inexpert radio (HAM) transmitters are accredited to operate at many times the power of your car alarm ON THE very 447 MHz FREQUENCY. Amateur radio transmitters can cover an entire city and more! Consider purchasing a 900 MHz cattle ranch scope fear or a 433 MHz version.
For the sake of the complete conceiver I'm going to cover all the parts, even those which may appear obvious. A repeater, in concept, is not really a complex device. A repeater is an mechanically possessed transmitter and receiver that simply transmits what the receiver hears simultaneously. Imagine having a receiver on one channel, and a full power transmitter on the other, and so holding the microphone of the communicator in front of the speaker of the receiver. Any user that can be detected by the receiver has the effectiveness of the high quality transmiter at his control.
ASK THE EXPERTS: Ham Radio Interference | Home Power Magazine
I was recently asked by a localized ham radio club to speak about renewable energy, since I have designed and reinforced some RE systems, both for myself and for others. This group is especially curious roughly how much radio frequency hindrance (RFI) in that respect is with components of a solar-electric system, peculiarly inverters. John Faughn • KD0CAC I’m a ham (KC2FSW) and host a two-meter criminal (147.045, with the same call letters) that is power-driven by a 150-watt off-grid PV system.