The ADSTS5A2-1CHM011M from Abracon LLC is a Band Pass Filter with Frequency 0.869 to 0.894 GHz, Bandwidth 25 MHz, Center Frequency 881.5 MHz, Insertion Loss 1.5 to 2 dB, Rejection 25 to 65 dB. Tags: Surface Mount, RF SAW Filter. More details for ADSTS5A2-1CHM011M can be seen below.