Rhydo SIM 900 SIM 900 -TTL UART Instrukcja Użytkownika Pobierz pdf (Strona 2)

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Feature

 Fully compatible with Arduino / Uno and Mega.

 Free serial port connecting， you can select Hardware Serial port (D0/D1) control or Software Serial

port (D2/D3) control it.

 SIM900 all pins breakout. Not just the UART port and debug port be layout, but also all pins on SIM900

be layout to the 2.54 standard pitch.

 Super capacitor power supply for the RTC.

 EFCom not only can use the button for power on, but also can use the digital pin of Arduino to power

on and reset the SIM900 module.

 Quad-Band 850/ 900/ 1800/ 1900 MHz

 GPRS multi-slot class 10/8

 GPRS mobile station class B

 Compliant to GSM phase 2/2+

 Control via AT commands (GSM 07.07 ,07.05 and EFCOM enhanced AT Commands)

 SIM application toolkit

 Supply voltage range : 3.1 … 4.8V

 Low power consumption: 1.5mA(sleep mode)

 Operation temperature: -40°C to +85 °C

 Dimension:68.33x53.09mm(Same dimension of Arduino main board)

Cautions

 Make sure add using 9V Charger for power supply for your Arduino board and EFCom, The 9V

Charger we will provide to you with EFCom Shield. Because of the power supply range of SIM900 is

from 3.2V to 4.8V. The transmitting burst will cause voltage drop and the power supply must be

able to provide sufficient current up to 2A. The USB port cannot supply such a large current.

 Make sure your SIM card is unlocked.

 The product is provided as is without an insulating enclosure. Please observe ESD precautions

specially in dry (low humidity) weather.

 The factory default setting for the GPRS Shield UART is 19200 bps 8-N-1. (Can be changed using AT

commands).

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Rhydo SIM 900 SIM 900 -TTL UART Instrukcja Użytkownika Strona 2