Manufacturer Sinclair Mfg. Model No. FP20107-3 Product Description 148-174 MHz Bandpass Cavity Filter Type Bandpass Freq. Range (MHz) 148-174 Maximum Input (Watts) 400 @0.5 dB IL Application A cavity is a resonant filter. It will either pass or reject a frequency or range of freqs. It offer protection from interference in a system. Product Narrative High-Q filter. Aluminum cylinder, brass/copper inner conductor, Invar rod. Insertion Loss (dB) 0.5 to 3.0 Connectors N/Female No. of Cavities/Size 1 (7") Electrical Length 1/4 Wave temp. Range deg-C -30 to +60 Maximum VSWR @ 50 Ohms 1.5:1 @ 1.5 dB IL Tuning Method Factory or Field Tune Maximum Size (HxWxD") 32.5 x 7 x 7 Finish Grey Comment *Specify Frequency Ask Customer What is the pass frequency? Specify in notes at checkout Mfg. Warranty 2 Year