GPS Networking – VATTENDCB GPS Variable Attenuator Blocks DC Voltage

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The VATTENDCB GPS Attenuator from GPS Networking is designed specifically for the GPS L1, L2 and GLONASS carrier frequencies.



The VATTENDCB GPS RF Active Variable Attenuator is a one input, one output device with variable attenuation range from 0dB to 20dB, user selected pot range control. The device is available in a miniaturized housing.

The frequency response covers the GPS L1/L2 and GLONASS bands with excellent flatness. In the DC Blocked configuration, the RF output (J1) will pass DC from the connected GPS receiver to power the active variable attenuator and then block the DC at the input of the attenuator going to the antenna.


  • Variable Attenuation Range from 0-20dB
    0dB ≥ATTEN ≥20dB
  • Small Form Factor
    2.5 (not including connectors) x 0.75 x 0.875 in.
  • DC Block Antenna Voltage


GPS Networking products are covered under their free standard warranty policy. GPS Networking Inc. will repair or replace any unit that fails within 1 year from the date of purchase. Failures that are caused by customer mishandling or acts of nature will be subject to repair charges. It is also possible to purchase a lifetime warranty for all products manufactured by GPS Networking. Details on the lifetime warranty available upon request.

Why Buy from Us?

In business since 2004, Canal Geomatics is an authorized dealer for GPS Networking and has established itself as an industry-leading distributor of high-precision positioning products in North America. Our mission is to find the best solution for each unique application and extend premium support to ensure the long-term success of our customers. We offer both volume and reseller discounts for the majority of our product lines.


The VATTENDCB RF active variable GPS attenuator from GPS Networking is available through Canal Geomatics. For more information, please contact us using the Request Pricing form.