The LP2500E0805BT from Frontier Electronics is a Low Pass RF Filter with Frequency 2.4 to 2.5 GHz, Insertion Loss 0.65 dB, Rejection 27 to 30 dB, Upper Rejection 27 to 30 dB, VSWR 1.50:1. Tags: Surface Mount, Ceramic Filter. More details for LP2500E0805BT can be seen below.