The FHJ3 mine-used intrinsically safe wireless keyboard is an auxiliary device that can be used in conjunction with the KJD127 mine-used flameproof and intrinsically safe computer. It is a computer accessory developed to suit the natural conditions of coal mines. It uses the 2.4G ISM wireless frequency band for communication, which is easy to use and has a long transmission distance.

Features

It is powered by two AA batteries.

The wireless transmission distance can reach up to 10 meters.

It does not require cable connection, making it easy to use.

The keyboard structure reaches an IP65 dustproof and waterproof level and is corrosion-resistant.

It is sensitive and provides a good tactile feel, enabling users to input data accurately, quickly, and noiselessly.