The 2954-SMA from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 956.5 MHz to 1.46 GHz, Bandwidth 507 MHz, Center Frequency 1210 MHz, Insertion Loss 3 dB, Rejection 40 dB. Tags: Module with Connectors, Lumped Component Filter. More details for 2954-SMA can be seen below.