The APTQH-90-00500100-SMA from AmpliTech, Inc. is a 90 Degree Hybrid Coupler with Frequency 500 to 1000 MHz, Average Power 50 W, Insertion Loss 3.2 dB, Isolation 22 to 26 dB, Coupling 3 dB. Tags: Module with Connectors. More details for APTQH-90-00500100-SMA can be seen below.