Dl2102a is designed as a wifi module based on atheros ar9331. It's a small size, highly integrated product with competitive price. This module can be easily integrated in iot products which need wifi features. It has been widely applied in iot appliances by large appliance enterprises, such as midea, changhong, hisense, etc. Applications Smart gateway Iot products Consumer electronics Smart home appliances Industry control Remote device monitoring Features Support 2.4ghz, 802.11b/g/n with sta/ap mode Support wep, wpa/wpa2-psk encryption mode Support cable network Support multiple network protocols Support at+ instruction set for configuration Option on board antenna or external antenna Provide 1 uart and 4 gpio ports Compact surface mount module 22mm x 44mm x 7.2mm, plug-in package Single supply 3.3v operation Support online firmware updating Rohs compliant