The 5MB/C-390/T20-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 379.75 to 400.25 MHz, Bandwidth 20.5 MHz (3dB), Center Frequency 390 MHz, Insertion Loss 4.7 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/C-390/T20-18 can be seen below.