Thanks, but that's not proper solution. They have two models(simplified kits): low power FM transmitter- CK200, and improvement (more power)9Volt FM transmitter CK217. Both work with FM radio, and have no PLL-crystall controlled. I need frequency near 400MHz and, and PLL crystal controlled.
I am looking for schematic diagram of micro UHF transmitter(bug),frequency band near 400MHz, power~10mW, built -in microphone and battery, crystal - PLL controlled, range near 500m or more, SMD design, small size,(near~2.5 x
5cm), power supply 9V (lithium battery), no tuning require. Does...