This is the famous PLL with LCD display for WFM use with steps resolution 50Khz Frequency: 87.5 - 108.0 Mhz With protection circuit no rf power output if not lock freq. Max output power at 15v - 8w or 12v - 5w Final stage 2SC1971 low pass filter output > 55DB 145cmx72cm size Excellent audio quality and stability for broadcast transmit. The pack includes: 1 FM Exciter Completed and tested 1 Display Control 1 Flat Cable Also include a aluminum heatsink already installed on the PCB DO NOT POWER UP THE DEVICE WITHOUT ANTENNA! Only post to Europe! Always check the current laws of your country to use of this equipment note: the Power / SWR meter is not include in the package