The TEEL1-4002-S5S5 from ETL Systems is a Bias Tee with Frequency 850 MHz to 2.15 GHz, Max. Voltage 48 V, Max Current 0.5 A, Power 37 dBm(5 W), Insertion Loss 0.3 to 0.8 dB. Tags: Module with Connector. More details for TEEL1-4002-S5S5 can be seen below.