The SD-3 from Synergy Microwave Corporation is a Power Divider with Frequency 10 MHz to 1 GHz, Insertion Loss 0.5 to 1.5 dB, Isolation 17 to 30 dB, Input Power 1 W, Amplitude Balance ± 0.4 to 0.7 dB. Tags: Surface Mount. More details for SD-3 can be seen below.