SIM808 GPRS/GSM+GPS Shield 2 in 1 Shield GSM GPRS GPS Development Board SIM808 ModuleSIM808 GPRS/GSM+GPS Shield 2 in 1 Shield GSM GPRS GPS Development Board SIM808 ModuleSIM808 GPRS/GSM+GPS Shield 2 in 1 Shield GSM GPRS GPS Development Board SIM808 Module

SIM808 GPRS/GSM+GPS Shield 2 in 1 Shield GSM GPRS GPS Development Board SIM808 Module

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10-40 Days

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Product Description

SIM808 a new generation of GSM, GPRS, GPS, bluetooth (optional) 
SIM808 GSM/GPRS module, is a four frequency for the castle hole encapsulation. Its performance is stable, compact appearance, high cost performance, can meet the various needs of customers. 
A, SIM808 is introduced 
SIM808 working frequency for GSM/GPRS / 1800/1900 850/900 MHZ, can realize low-power transmission of voice, SMS and data information. 
Main features: 
The four frequency MHZ 850/900/850/900 
FTP/HTTP, embedded TCP/UDP protocol 
DTMF detection, bluetooth 3.0 (optional), USB interface 
Second, Aruduino SIM808 shields hardware is introduced 
Power interface support 5-20 v voltage input, pay attention to the voltage of 5-9 v, can provide not less than 2 a power adapter current; Support the lithium battery (3.6-4.2 V) 
For TTL level serial communication interface. Fully compatible with the and compatible with other 5 V, 3.3 V, 2.85 V system. 
Can choose to use through the jumper cap hardware serial port (D0 D1) or software serial port (D7 D8). 
Support the MICRO SIMCARD. 
Support four headphone jack (I type). 
Update SIM800C firmware support via USB or serial port. 
Can be upgraded to a bluetooth version of the development board. 
Onboard TVS diode, SIM card protection IC, two 100 uf tantalum capacitors and so on a variety of ways to make the stable development board performance. 
Second, Aruduino SIM808 shields software is introduced 
By TTL level a serial port communication with external systems, the default can communicate directly with 5 v system directly, without having to level the match. And 3.3 V, 2.85 V system communication, to do a bit of hardware processing. We will do detailed introduction on the user manual. 
Communication interface (command) for the AT command, which is control module function is realized through the AT command, such as: control module to make calls using ATD * * * * * * *; (* phone number) for each other. We will provide a complete set of the AT command. 
In addition, we will provide the common features of some course of C program






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