The LEX L10 is a mission-critical communication device for first responders that runs the Security Enhanced Android OS as a decisive asset. It can communicate in covert mode with radios via Bluetooth. A non-slip surface allows one-handed operation. The device incorporates two forward-directional speakers, a tri-microphone with noise suppressor and echo cancellation as well as a push-to-talk button. It is watertight, conforming to IP67, and withstands drops from up to 1.21 metres.