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SIM800C GSM GPRS Module Support 3.3/5V TTL Level Control DC 6-24V For Arduino 51 MCU

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$15.99 $11.99
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Product Introduction:

1.TTL level control interface,can directly connect with MCU serial port 5V/3.3V logic level or USB-TTL module computer for debugging
2.Logic level conversion circuit,automatically transform TTL level into 2.8V level
3.Microphone and earphone interface:used for testing voice communication
4.TTL level and RS232 serial port control switch short circuit cap
5.RS232 serial port interface:can connect with serial port wire and computer communication debugging
6.MAX3232 serial port conversion circuit
7.Vbat power supply interface,DC-DC stabilivolt output interface
8.DC power supply adapter input interface,we recommend you use 9V or 12V power supply input (at least 1A);since GSM module instant power consumption can be up to 2A (4V)
9.Power supply indicator lamp
10.Power supply switch
11.RTC battery
12.SIM800C kernal
13.SIM card socket
14.Signal indicator lamp
15.ESD protection chip
16.Module start key swtch
17.SIM800C kernal external expansion pin
18.SMA interface antenna
19.DC-DC switch power supply stabilibolt

Basic Functions:

1.DC 6-24V power supply voltage:TVS protection,which will greatly enhance board's stability
2.Support 3.3V/5V TTL level control,easy to communicate with various MCU,such as ARDUINO/51/STM32
3.Standard serial port interface,easy to be ccontrolled by PC or debugging
4.Earphone and microphone interface,convenient to test GSM voice communication
5.SIM card electrostatic protection chip
6.All available SIM800C pin lead out,easy to develop various SIM800C applications
7.RTC backup battery
8.NET_STA indicator lamp,easy to know SIM800C current state
9.Board Size: 83*54mm


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SIM800C GSM GPRS Module Support 3.3/5V TTL Level Control DC 6-24V For Arduino 51 MCU
$15.99 $11.99