The 5PL4-X1010-SC11 from Reactel is a Low Pass RF Filter with Frequency 20 to 1010 MHz, Insertion Loss 0.3 dB, Lower Rejection = 35 dB, Upper Rejection = 50 dB, Power 2000 W CW. Tags: Module with Connector. More details for 5PL4-X1010-SC11 can be seen below.