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S800S
Smallest Sim800L GPRS GSM Module Microsim Card Core Board Quad-band TTL Serial Port
- Specification: Module Model: SIM800L Quad-band 850/900/1800/1900MHz Used in GSM based projects
- Supply voltage range 3.4V ~ 4.4V? Supports A-GPS Peak Current: 2A 1mA in sleep mode Supports 3.0V to 5.0V logic level Low power consumption
- TTL serial port for serial port, you can link directly to the micro-controller. No need MAX232. Power module automatically boots, homing network.
- On board signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal.
- First is made of wire (which solders directly to NET pin on PCB) very useful in narrow places.
- Second PCB antenna with double sided tape and attached pigtail cable with IPX connector.
- This one has better performance and allows to put your module inside a metal case as long the antenna is outside.
