The 6MB/E-248/U36-S5L from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 226.5 to 269.5 MHz, Bandwidth 43 MHz (1dB), Center Frequency 248 MHz, Upper Rejection 30 dB, Lower Rejection 30 dB. Tags: Lumped Component Filter. More details for 6MB/E-248/U36-S5L can be seen below.