MODEL SIZE (W X D X H) POWER APPLICATION RECEIVING CHANNEL IFFREQUENCY PROTOCOL DA-B402 18 x 19 X 2.9 ? 3.3V AUDIO,DAB,DMB RECEIVER 174MHZ~240MHZ 38.912MHZ IIC DA-B501 9 x 10.5 X 2.5 ? 3.3V1.8V
AUDIO,DAB,DMB RECEIVER 174MHZ~240MHZ 2.048MHZ IIC
try
rf modules
to get through more products