ublox/u-blox NEO-6M GPS module with antenna and build-in EEPROMThis module is compatible with APM2 and APM2.5, and EEPROM can save all your configuration data.Interface: RS232 TTLPower: 3-5vBaudrate d..

100% brand new and high qualityThe GPRS Shield is based on SIM900 module from SIMCOM and compatible with Arduino and its clones. The GPRS Shield provides you a way to communicate using the GSM cell ph..

This Module is a standard AT instruction setSupport at 900M-1800M, GSM frequency bandCan be connected: MCU for TTLIf you test after ,no TCP connection,Please try to send:AT+XISP=0Voltage:5vVurrent:1AF..

Chip: SIM800LVoltage: 3.7-4.2VSupport networks: China Mobile, China Unicom and global quad-band networkModule size: 2.5cmx2.3cmTTL serial port for serial port, you can link directly to the microcontro..

Features:100% New and High QualityModel: SIM800LWork voltage: 3.7~5VNetwork support: Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks inall countries across the world.TTL serial inter..

Sim800L is a GSM/GPRS module. You can send a message, make a call, transfer data though the GPRS or something else.  OverviewThis SIM800l module has a set of TTL level serial interface, a se..

The SIM card circuit to increase the SMF05C ESD chip.Antenna circuit: guarantee short and straight, so as to ensure the signal strength.PCB display screen printing mark: each interface, convenient dev..

Chip: SIM800LVoltage: 3.7-4.2VSupport networks: China Mobile, China Unicom and global quad-band networkModule size: 2.5cmx2.3cmTTL serial port for serial port, you can link directly to the microcontro..

Product DescriptionHardware Specifications  Chipset ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessorFLASH QSPI flash 4MB / PSRAM  8MBSRAM 520 kB SRAMButton ResetUS..