An Industrial Crane radio remote control has two units i.e. transmitter and receiver. The transmitter is the hand-held remote control, which is portable.

Every push button switch on the radio remote control creates a combination of data for the crane receiver. This data is first encrypted and is then transmitted to the receiver.

The communication between transmitter and teceiver happens more than 10 times in a second.

Transmitter can continuously monitor many parameters of the the communication link such as : a number of attempts for successful transmission, received signal strength, Link Quality Indication, missed packets , etc.