Our project uses WizFi210 firmware versions 184.108.40.206 and 220.127.116.11 connecting through Linksys EA3500, EA4500, and EA6500 using WPS Push Button method AT+WWPS=1. 3500 and 4500 connect perfectly every time. EA6500 connects once in 50 tries.
approximately 15 seconds elapse . . .
[ERROR] status returned.
Is there a known difference between different models of Linksys routers and their use of WPS?