Useful 10W 1-to-2 Portable SDR Transceivers Radio Switch DC-500Mhz

Low Loss and High Efficiency: The portable sdr transceivers radio switch ensures low signal loss and high-efficiency transmission, maintaining the integrity of your signal. Dual Device Compatibility: The rf switch allows two devices to share one antenna or one device to connect to two antennas, providing versatile connectivity options.

eBay