... FM modulation, good performance. Personal Wireless RF Transmitter and ReceiverProduct Model: SG-BX1000Specifications: Transmitter System IndicatorsFrequency1.06-1.36GHz(optional)RF ... this product. Such as appearance injury, High-voltage fuse, Damp, Broken seals, soaking,and so on. Transportation costs of replacement, ... for any reason of delays. Personal Wireless Microwave Transmitter and Receiver