The original TAP Kiln Controller requires the WiFi Dongle to connect to a wireless network. All other TAP Controller have integrated WiFi.
The original TAP Kiln Controller requires the WiFi Dongle to connect to a wireless network. All of our other controllers (including TAP II, TAP Micro, TAP Monitor, and TAP&Go) have integrated WiFi and will not require the dongle. TAP Controllers require require use of a TP-Link TL-WN823n WiFi dongle, which can purchased on our online store.