Check the listing for details. Microlab-FXR Low Pass Filter, Fc:1.05 GHz, LB-B41.. Condition: Used. Listed at 24.95 USD. A Low Pass Filter manufactured by Microlab-FXR, model number LB-B41, is on offer. The 3-dB cutoff frequency is about 1.05 GHz. We measured the following cutoff frequencies: 3-dB cutoff frequency: 1.05 GHz 6-dB cutoff frequency: 1.07 GHz 10-dB cutoff frequency: 1.08 GHz 20-dB cutoff frequency: 1.15 GHzMeasurements were made with cared-for, but ultimately uncalibrated, hobby-grade equipment so interpret the data presented here accordingly. The unit has an F-N connector on each end. A data sheet was not available for this device. This is a 50 Ohm device, tested in a 50 Ohm environment. It is used and in working condition, with signs of normal use and wear. The Microlab-FXR LB-B41 unit, shown in the photos, is the only item included in this listing. The photos were taken on a 1 cm grid. Returns accepted only when the serial number matches the original item purchased. I will combine multiple items together to reduce shipping costs and will mail one or two business days after receiving cleared payment. Questions are welcome. Thanks for stopping by!