The NGFL1206BG2R450G041TRF from NIC Components is a Low Pass RF Filter with Frequency 2400 to 2483 MHz, Bandwidth 83 MHz, Insertion Loss 0.6 dB, Rejection 18 to 30 dB, Upper Rejection 18 to 30 dB. Tags: Surface Mount, Ceramic Filter. More details for NGFL1206BG2R450G041TRF can be seen below.