Patent ID: 7995985

Claim:
A method of establishing wireless communication between a first device and a second device, the method comprising: listening at the first device for radio frequency (“RF”) activity on a receiver utilizing a first antenna; transmitting from the first device a command utilizing the first antenna when no RF activity is detected; switching the receiver “on” after the transmission to listen for a reply from the second device; turning the receiver “off” if the receiver does not receive a reply within a first time span; switching the receiver back “on” to again listen for the reply from the second device; if no reply is received before an end of a predetermined period, attempting a retry of establishing communication with the second device by transmitting a command using at least one of a different antenna and a different transmit power level; switch the receiver “on” to listen for a reply by the second device to the retry transmitted command; and switching the receiver “off” if no reply from the second device is received.