The H-8-4-TNC from MACOM is a Power Divider with Frequency 2 MHz to 2 GHz, Insertion Loss 1 to 1.7 dB, Isolation 20 to 25 dB, Amplitude Balance 0.05 dB, Phase Balance 2.5 to 5 Degree. Tags: Module with Connectors. More details for H-8-4-TNC can be seen below.