HardwareChipsetESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessorFLASHQSPI flash 4MB / PSRAM  8MBSRAM520 kB SRAMButtonResetUSB to TTLCP2104Modular interfaceUART, SPI, SDIO..

NEO-6M GPS Module with AntennaThis is a complete GPS module that is based on the Ublox NEO-6M. This unit uses the latest technology from Ublox to give the best possible positioning information and inc..

SIM800L GSM GPRS Quad-Band Network ModuleMini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission. Th..

SIM800L GSM GPRS Quad-Band Network Module With AntennaMini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote tra..