The 5BJ10-21650/H750-K/K from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 21151.25 to 22148.75 MHz, Bandwidth 997.5 MHz (0.5dB), Center Frequency 21650 MHz, Insertion Loss 0.66 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 5BJ10-21650/H750-K/K can be seen below.