The 4HD10-2492/T8-O/O from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 2487.5 to 2496.5 MHz, Bandwidth 9 MHz (3dB), Center Frequency 2492 MHz, Insertion Loss 0.67 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 4HD10-2492/T8-O/O can be seen below.