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GPS Source AT11T GPS Fixed Attenuator Tiny Housing


The AT11T GPS fixed attenuator from GPS Source is a one input one output RF device.



The AT11T GPS fixed attenuator from GPS Source is a one input one output RF device. Designed specifically for use in all L-Band channels of GNSS, including GPS, Galileo, GLONASS, and QZSS, the AT11 fixed attenuators provide a user-specified attenuation from 2 to 40dB.

The AT11 also includes the option to pass the receive antenna LNA DC bias voltage through the device or to block the DC path to the antenna. The most common application is taking the input level to a GPS receiver or a GPS test set is reduced via the fixed attenuation of the AT11. The AT11 is available with more options than any competitive product on the market.


  • Supports GPS, Galileo & GLONASS – All Bands
  • Ports pass DC voltage to the antenna
  • Excellent Flat Response
  • Reverse Isolation greater than 50dB
  • MIL-STD-810 Design

Technical Specifications

See datasheet.


The AT11T GPS fixed attenuator from GPS Source can be ordered through TerrisGPS. If you have would like more information regarding this product, please contact us by completing the Request Pricing form.

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