A wireless remote control system is provided for use with an extendable mast arrangement. The wireless remote control system includes a wireless remote control and a base. The wireless remote control has an operator interface for the input of mast control commands and/or devices on the mast and a transmitter...http://www.google.ca/patents/US7062221?utm_source=gb-gplus-sharePatent US7062221 - Wireless remote control system for extendable masts
