This upgraded version is based on the T-Deck and now includes a GPS module and a built-in 2000 mAh battery. An external antenna connector is also provided on the casing, which can be accessed by making a small opening in the case. 【Keyboard letter styles are sent randomly】 Product Information sample code and more detailed information Specifications MCU ESP32-S3FN16R8 Dual-core LX7 microprocessor Wireless Connectivity 2.4 GHz Wi-Fi & Bluetooth 5 (LE) Development Compatible with Arduino, PlatformIO IDE, and MicroPython Flash Storage 16MB PSRAM 8MB Battery ADC PIN IO04 Onboard Features GPS, TF Card, Microphone, Speaker 2.8 inch ST7789 SPI Interface IPS LCD: Resolution: 320 x 240 with a full viewing angle SX1262 LoRa Transceiver Transmission Power +22dBm Frequency Options 433/868/915MHz Product Size Pin Diagram Certificates and Compliance Documents Available certification and compliance documents for this product can be reviewed as PDF files below. CE Document CE Document FCC Document MIC / IC Document RoHS Document