The 6MB/C-1550/U166-S5 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1462.5 to 1637.5 MHz, Bandwidth 175 MHz (1dB), Center Frequency 1550 MHz, Insertion Loss 1.7 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-1550/U166-S5 can be seen below.