Sell SIM800L module SIM800L GPRS adapter board SIM800 GSM module microSIM card best price

Note: When the product is received, do not test it on the machine. The product cannot be returned or exchanged after the machine is on. The link is different, the chip is different, please contact customer service if you have any questions The pin headers are not soldered by default, leaving more room for expansion Module model: SIM800L (new module, performance exceeds SIM900/M590) Working voltage: 3.7~4.2V (peak current is 1A, please handle it) Support network: China Mobile, China Unicom and global quad-band network Module size: 2.5cmx2.3cm The serial port is a TTL serial port, which can be directly linked with the microcontroller. No need for MAX232 The module is powered on automatically, and automatically finds the network Onboard a signal indicator (slow flash with signal, fast flash without signal) Small size, there is no GSM module smaller than this one Full machine chip processing, reflow soldering, stable performance, factory direct sales