[All-in-one module] for FlipperZero module with screen WiFi+433 M+GPS module for Flipper Zero External modules include: [1] 433 M RF module [2] for ESP32S2 Marauder module [3] GPS module [Fire] 2.8-inch Marauder Function introduction: [Red circle] GPS can be shared with for Little Dolphin and for Marauder, and supports GPS power supply selection for Marauder or Little Dolphin [Red circle] RF module can be directly used by entering the subghz menu to select external module [Red circle] S2 module can be used with WiFi Marauder in the GPIO menu of the APP. The S2 module uses the 15 and 16 pins of Little Dolphin [Red circle] We provide multi-color shell markings, and each signal pin is equipped with TVS [Red circle] While retaining all the functions of the 2.8-inch Marauder screen version, it can also be used with for Shared use with Little Dolphin. Discussions are welcome. Note: Regarding the battery indicator function: The MAX17048G has recently seen a price increase of more than three times and is even out of stock. This function will not be added in the near future. Product Parameters: Battery Capacity: 800mAh Antenna: 2.4GHz 3dBi antenna (the antenna shipped is the one shown in Figure 1, not included with Little Dolphin), GPS 20dBi antenna, 433 M 3dBi antenna Other: Because this product is handmade, there are certain flaws and upgrades. Returns and exchanges are not accepted. Disclaimer: For learning or signal analysis only, data analysis, etc.