2011 hot selling terrestrial singnal finder 8022 1,digital meter for signal strength 2,level measurement accuracy:2db 2011 ... Inch High definition TFTLCD Screen which Can Play Channels1, Live FTA Digital Picture and Sound2, AV out and AV In function3, BER4 ... , Antenna output 5V or 12V5, Digital Meter for Signal Strength6, Sound When Lock signal7,Auto Search8 ...