Westell Technologies, Inc.

Band 14 / FirstNet Notch Filter, Cellular and Public Safety

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Band 14 / FirstNet Notch Filter

Westell’s Band 14 / FirstNet Notch Filter helps to eliminate frequency interference with cellular sites and public safety applications that have Band 14 deployed.

Nearby AT&T sites can cause interference to wide band BDAs (bi-directional amplifiers), additionally a BDA may cause interference to a nearby AT&T site. These filters attenuate FirstNet’s band 14 by at least 30dB while passing the narrowband channels in the 700 and 800 bands.

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Insertion Loss ≤1.5 dB
Input Power 50 Watts
Rejection (MIN) ≥ 30dB 788-798 & 758-768
Passive Intermodulation ≤-150 dBc @ 2x20 W
Ingress Protection Indoor or Outdoor application IP67
Impedance 50 Ohm
VSWR ≤ 1.3:1
Connectors N Female
Finish Pantone 200C RED
Operating Temperature -10°C to +55° C
Dimensions 13.1” x 12.2” x 3.3” w/o connectors

CS09-768-845 Documentation


Band 14 Notch Filter Signal Reduction Results Before an After installation CS09-768-845

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