-WiFi Modules ESP32S3FN8 – 802.11 SMD IC , Dual-Core MCU, Wi-Fi 2.4G & BLE 5.0 combo, 8 MB Octal SPI Flash -On chips ESP32-S3 with an integrated USB Serial/JTAG Controller, it is possible to use the part of this controller that implements a serial port (CDC) to implement the serial console, instead of using UART with an external USB-UART bridge chip SIM7600CE-M1S module: is a 2G/3G/4G communication and positioning module, supports LTE CAT4 download up to 150Mbs. Support GPS, BeiDou, Glonass, LBS Working voltage: 4.5-20VDC if using adapter or via USB cable or battery (3V7-4V2) - Included in battery charging system - Led Netlight, stt battery charging - USB RNDIS (module SIM) - USB Serilal/JTAG onchip (ESP32) IO1: pin ON/OFF module SIM PWRKEY IO2: Led user IO3 : ADC voltage battery IO17: RXD module sim IO18: TXD module sim -... Announced prices: 60$/pcs