The ZAPD-2-21-3W from Mini Circuits is a Power Divider with Frequency 700 to 2100 MHz, Insertion Loss 0.4 to 1.2 dB, Isolation 20 to 25 dB, Input Power 10 W, Amplitude Balance 0.05 dB. Tags: Module with Connectors. More details for ZAPD-2-21-3W can be seen below.