The 4HL10-393.66/T3-O/O from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 389.26 to 398.06 MHz, Bandwidth 8.8 MHz (3dB), Center Frequency 393.66 MHz, Insertion Loss 1.37 dB, Upper Rejection 30 dB. Tags: Cavity Filter. More details for 4HL10-393.66/T3-O/O can be seen below.