Feature:1. One piece molding without burr, bring a smoother surface and simple installation.2. The printed circuit board adopts high quality about 1.6mm / 0.06in thick double sided board, which is durable.3. Large area heat dissipation can improve work efficiency and extend service life.4. The software radio filter module has a stable structure and high performance.5. The design is tight, easy to carry and store, and it is fully tinned to ensure good performance of large and small currents.Specification:Item Type: Filter ModuleMaterial: PCBWorking Frequency: 1090±15MHzInsertion Loss: 1.5dBOut-Of-Band Suppression: 40dB at 50MHzInput Impedance: 50ΩOutput Impedance: 50ΩMaximum Input Signal Strength: 13dbm (20mw)Input Interface: SMA-K (SMA Female)Output Interface: SMA-K (SMA Female).Package List:1 x Filter ModuleNote:The switch should work in an environment free from humidity, corrosion and heavy metal content, please keep it dry.