This switch is rated for +20 dBm RF input power and is an absorptive type (i.e. self-terminating). The unused ports will self-terminate at 50 Ohm impedance, and it is available with 50 Ohm SMA female RF connectors. The switch has four BCD control lines that are activated with TTL signal levels.
For additional information on the 50S-2133 SMA switch, download the datasheet.