... to transmit through walls 3.whdi wireless sender(transmitter) and receiver SEM- MODULEFunction Introduction SEAMON Science is professional in providing kinds ... US, EU, JP,CN )USA:5.15-5.35GHz, 5.47-5.725GHz, 5725-5825GHzEU: 5.15-5.35GHz, 5 ... .47-5.725GHz,Japan: 5.15-5.35GHz, 5.47-5.725GHz,China: 5.725-5 ...