iKey's SL-88-461 keyboard is designed to meet MIL-STD-461G specifications, making it suitable for surface ships, submarines, aircraft and other space and ground systems used in military applications. This compact model is also a popular solution for large surfaces. It operates effectively near radios, transmitters and other sensitive equipment without causing adverse effects from conducted emissions. The SL-88-461 offers a rugged keyboard and mounting holes for secure vehicle fixing. Optional: NVIS-compatible backlighting.