Front End Subsystems

Analogue SDR modules for band shifting of WiFi and LTE modems

Doodle Labs’ family of Band Shifters are analogue SDR modules to enable LTE and Wi-Fi modems to operate on a different frequency bands. They provide flexibility to system integrators looking to deploy their existing wireless modems at special frequency bands to expand the market opportunities.

The Band Shifters are in-line module placed between the radio modem and the antenna. Doodle Labs Prism® frequency shifting technology helps achieve the use of state-of-the-art COFDM/MIMO performance in any frequency band. Additionally, the Band Shifters amplify the Tx power and Rx gain to increase the wireless range. A large family of form factor compatibile modules in the 100 MHz – 6 GHz range means a simple swap of the Band Shifter module to switch to a different band to meet customer’s requirements in any market or country.

Key Features
  • High purity and low EVM signal distortion to support 64QAM RF signals
  • Achieve Long range (20+ km) with up to 1W (30 dBm) Tx power
  • LNA to increase Rx sensitivity
  • Low Noise Figure
  • Fast and automatic switching of Tx/Rx direction switching to support TDD operation
  • Up to 40 MHz bandwidth with flat gain
  • Very small size, weight, and power (SWaP) for mobile applications
  • Available in 100 MHz – 6 GHz frequency range in form factor compatible models
  • Wide DC input voltage range for ease of integration
  • Rugged construction, Industrial temperature range (-40C to +85C)
  • Field proven and deployed in defense applications where failure is not an option
  • COTS – Commercial off the Shelf
Model Index

The table below lists off-the-shelf available models. We are able to configure the WiFi-FES to meet the project-specific frequency requirements up to 6000 MHz. Please contact us with your project requirements.

ANT Freq
RF Freq
DescriptionModel No.
902-928  MHz2.4 GHz WiFi

License free 915 MHz band in North, South and Latin Americas, Australia

  • 1×1 stream, 27 dBm, Extended temp, Rugged
  • 2×2 MIMO, 30 dBm, Extended temp, Rugged
3400-3800  MHz5.6 GHz WiFi

Communication band in Europe, Canada

  • 1×1 stream, 24 dBm, Extended temp, Rugged
  • 2×2 MIMO, 27 dBm, Extended temp, Rugged