The PC-HC-35.52-3SMA from Xiamen HDG Telecom Equipments is a 90 Degree Hybrid Coupler with Frequency 350 to 520 MHz, Average Power 200 W, Insertion Loss Less than 0.5 dB, Coupling 3 dB, VSWR 1.25:1. Tags: Module with Connectors. More details for PC-HC-35.52-3SMA can be seen below.