The GRF-011 from ETL Systems is a Redundancy Switch with Frequency DC to 2.45 GHz, Power 10 dBm, Dynamic Range Level : 0 to -50 dBm
RF Detection from 10-2450MHz, Insertion loss 1 to 2 dB, Isolation 45 to 60 dB. More details for GRF-011 can be seen below.