Case Study

Maui 2.0™

High-Efficiency Field Communication

Portable, wide-band, power-efficient amplifier designed for military use.  

Story

In 2013, Maxentric began work on a power amplifier for military use that could cover a wide range of bands depending on the tactical context. The challenge for Maxentric’s engineering team was creating a portable, power-efficient, amplifier that covered a wide range of bands.  

Maxentric’s solution was Maui 2.0, a wideband, linear, high-efficiency 2-channel transceiver that covers L and S bands. Designed to fit seamlessly into a communications rig, Maui 2.0’s screen and system are integrated directly into the unit which can fit into a backpack. It provides an intuitive visualization for users and has easy-to-access ports to plug in auxiliary devices, meaning Maui 2.0 functions as both a stationary and a portable unit.  

Technology

To create a portable system that achieves 10W of output power and supports Frequency Division Duplexing (FDD) across many bands, the Maxentric team used separate transmit and receive antennas with inherent internal isolation. Along with careful design this allowed the team to avoid the use of large high-power duplexers.   

  • Like other products, Maui 2.0 is built on technology developed by Maxentric engineers. 
  • Both the power supply and the power amplifier for Maui 2.0 are based on designs and design techniques from previous Maxentric projects. 
  • Maxentric has also partnered with the US Army to further optimize Maui 2.0.  

The Maxentric team has received feedback from soldiers who conducted in-field testing with the amplifier prototypes. Their experiences with the prototypes continue to inform the design and function of the amplifier as it enters its final stages of development. 

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