100mW/ 500mW (Power adj.) 76-108Mhz Home FM TRANSMITTER (Black)
[CZE-05B-B-Pack]

With a 1/4 wave antenna at a height of 10 meters and set at 500 mw of power I had a transmission radius of nearly 3 kilometers -- that's 6 kilometers from one end to the other. With the basic antenna supplied at 100 mw, the transmission range has a radius of 300-400 meters, depending on the receiver used.. The stereo sound is excellent. There appears to be no harmonic disturbance. The product was shipped and tracked via DHL, arriving in about 4-5 days. Very much satisfied with the product after using for 1 month.