Leisure and recreational activities present many possibilities for the use of RF modules. Many sporting activities incorporate RF communications in diverse applications such as telemetry for racing cars, remote control golf trolleys and controlling clay pigeon target release mechanisms. Gaming companies can benefit from wireless devices to control and monitor machines, including use of RF communications to report tampering. Large multi-player games can use RF to track and/or communicate with participants, e.g. paintball, quad-biking, electronic bingo.