ISONWIFI ISonlink E05S

Overview
"TKW08A V1.2" is silkscreened on the CPU board in the FCC photos.

"TKW08B V1.1" is silkscreened on the Wi-Fi board in the FCC photos.

There only appears to be one antenna for each of the two wireless modules. It also looks like one module transmits while the other receives.