Messaging, voice and data transmission services. Sim800L module is useful in applications likeĪutomotive and personal tracking, industrial and PDA, electricity environmentĭetection, wireless POS and Smart metering by providing GSM / GPRS text Working temperature range: -40 to + 85 ° C.SIM card socket: Micro-SIM (bottom side).Power transmission: 2W for Class4 GSM850 and 1W Class1 for DCS1800.In such setup, the SIM800 modem with SIM card acts as TCP client and the PC acts as TCP server. This module has built-in TCP/IP stack that can be accessed serially with AT commands.The modem needs to be configured by connecting it to a PC. The two pins of a speaker can be tied directly to these two pins. It supports General Packet Radio Service (GPRS) for connecting to the Internet. The two microphone pins can be connected directly to these pins. Pulled HIGH (module in sleep mode) Pulled LOW (module in the wake-up mode) It can also be configured to pulse when an SMS is received. It is by default high and will pulse low for 120ms when a call is received. If you absolutely got the module in a bad space, pull this pin low for 100ms to perform a hard reset.Īcts as a Ring Indicator. An external power source like Li-Po battery or DC-DC buck converters rated 3.7V 2A would work. For soldering Helical Antenna provided along with the module.
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