The SHX-GF8-4 from Shanghai Huaxiang Computer Communication Engineering is a Power Divider with Frequency 604 MHz to 3 GHz, Insertion Loss 11.5 dB, Isolation 18 dB, Input Power 50 W, Amplitude Balance ±0.8 dB. Tags: Module with Connectors. More details for SHX-GF8-4 can be seen below.