The Flipper Zero is based within the FreeRTOS running technique. That is a genuine-time working system kernel for microcontrollers which was formulated back again in 2003 and distributed underneath the MIT license. The sub-GHz wi-fi antenna can pick up signals from devices which include wi-fi doorbells and auto key fobs, https://flipperzerounleashed75176.thezenweb.com/how-to-buy-flipper-zero-for-dummies-74357307