The SPL2458-2 from Lanbowan Technology is a Power Divider with Frequency 2.4 to 5.85 GHz, Insertion Loss 0.3 to 0.6 dB, Isolation 20 dB, Input Power 10 W, Amplitude Balance 0.3 dB. Tags: Module with Connectors, Microstrip Power Divider. More details for SPL2458-2 can be seen below.