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SIM808 core board GSM / GPRS / GPS / BLUETOOTH module
SIM808 core board GSM / GPRS / GPS / BLUETOOTH module

SIM808 core board GSM / GPRS / GPS / BLUETOOTH module

مدل کالا: sim
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2.1 SIM808 Module feature

Quad-Band GSM 850/900/1800/1900MHz

GPRS multi-slot class 12/10

GPRS mobile station class B

Compliant to GSM phase 2/2+
      -Class 4 (2 W 850/900 MHz)
      -Class 1 (1 W 800/1900MHz)

Control via AT commands (3GPP TS 27.007,27.005 and SIM Com enhanced AT Commands)

Supply voltage range:3.4v~4.4v
    

 Low power consumption

GPS Receiver type

      22tracking/66 acquisition-channel GPS L1 C/A code

Sensitivity 

      Tracking: -165 dBm     

      Cold starts:          -147 dBm   

Time-To-First-Fix

      Cold start:          30s (typ)

      Warm start:         28s (typ)

      Hot start:           1s (typ)

 Accuracy

      Horizontal Position:     <2.5m CEP 

2.2 PCBA overview
 
 
 

Note: PWRIN range is from 5.0V to 10V, 5.0V is recommended,

TXD /RXD are TTL level which can be directly connected with MCU.

3.1 Pin definition of 6pin connector

Pin name

Pin number

Mark on PCB

Description

Comment

SLEEP

0

S

 control module into sleep mode

Connect with DTR via R124

GND

1,6

G

GND

 

PWRIN

2

V

The power supply

       5V-10V

PWRKEY

3

K

Power down

Shorted with GND via R104 by default

TXD

4

T

Transmit Data

TTL Series data Output

RXD

5

R

Receives Data

TTL Series data Input

 
 

3.2How to use TXD and RXD (Default baud rate is 9600bps)

4. How to test the Dev808 EVB by AT command

4.1 Installing GSM antenna,GPS antenna and SIM card for BK-SIM808 Board,

Feed power supply to PWRIN pin, LED indicator D102 will be lighted. (Note: PWRIN range is from 5.0V to 10V. 5.0V is recommended)

4.2 D100 LED indicator, Blink quickly shows un-registration network,Blink slowly shows registration successful.

(Note: Should confirm whether SIM card is inserted)  

 

 

 

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