Patent ID: 7155230

Claim:
An apparatus, comprising: a wireless local area network device, said wireless local area network device to operate at a frequency of about 2 GHz to about 5 GHz; and a dynamic frequency selection receiver disposed in said wireless local area device, said dynamic frequency selection receiver comprising: a receiver input stage; a communication receiver, said communication receiver includes a down-converter and an receiver signal strength indicator unit; and a radar receiver coupled to said receiver input stage, said radar receiver includes a peak detector and a comparator, the comparator to compare a radar signal passed from a receiver input stage through said peak detector to said comparator with a reference signal to detect a radar signal having a predetermined power level, said radar receiver further including a video detector, a pulse shaper, and said receiver signal strength indicator unit indicates a quality of a channel of said communication receiver, said communication receiver to select a higher quality channel when the radar signal having a predetermined power level is detected.