DC-3GHz 50dBm SDR Radio Combiner/Splitter 50 Ohm One Divided by Two Splitter

Transmit power: 50dBm. Support antenna connecting two SDR devices, efficient utilization of resources. SDR one-point-two splitter: you can connect one antenna to two SDRs or radios, with a USB socket to power an active antenna, or an active LNA signal amplifier!

eBay