The 4HD20-2282/U22-P/P from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 2262.2 to 2301.8 MHz, Bandwidth 39.6 MHz (1dB), Center Frequency 2282 MHz, Upper Rejection 20 dB, Lower Rejection 20 dB. Tags: Cavity Filter. More details for 4HD20-2282/U22-P/P can be seen below.