A band stop filter is also known as a notch filter or band reject filter, it blocks frequencies between the stop band, and passes all the frequencies outside this range. 
The stop band of this cavity band stop filter EBT-1E85-1E91 from ENRICHTEK is from 1850MHz to 1910MHz, it’s maximum handing power is 50 Watt(CW).  The stop band attenuation is larger than 40dB. 
With a 50 Ohm impedance, the VSWR of this band stop filter EBT-1E85-1E91 is less than 1.5, the insertion loss is less than 2.0dB.
With high performance, good stability and consistency, RF filters from ENRICHTEK are wildly used in education, industry, aviation and military.
The band stop filters from ENRICHTEK are customizable with good cost performance. Customer can require the electrical parameters, the cutoff frequency, mechanical structure, or connectors etc.

Electrical Specifications

Mechanical Specifications

Environmental Specifications

Typical Performance

Outline Drawing (unit: mm)