Passive RF filter, possibly most useful for reducing spill from transmitters in the bag. Bear in mind that 3dB loss will halve your output power
Tiny! 47.1mm x 17.5mm x 7.7mm
Impedance: 50 Ohms
Center frequency: 550 MHz
Center frequency insertion loss: 2 ~ 2.5 dB @550 MHz
3 dB bandwidth: 500~585 MHz
30 dB bandwidth: 430~700 MHz
Greater than 50 dB stopband: DC to 350 MHz & 850~1600 MHz
Maximum load power: 10 W (40 dBm)