Compare JUNIPER- WiFi Shield for Arduino Based on GainSpan Module Was: $55.00 Now: $15.00 On Sale A low-power WiFi shield that is compatible with Arduino and STM32 Spruce board. Gainspan GS1011 module is a highly integrated ultra low power wireless single chip which contains an 802.11b radio, media access controller (MAC) and baseband processor,... 0 Add to Cart