The AT30A-010020J-4-AF from Aaren Technology Ltd is a Power Divider with Frequency 1 to 2 GHz, Insertion Loss 0.6 dB, Isolation 22 dB, Input Power 30 W, Amplitude Balance ±0.2 dB. Tags: Module with Connectors. More details for AT30A-010020J-4-AF can be seen below.