IComSat

Overview

IComsat is a GSM/GPRS shield for Arduino and based on the SIM900 Quad-band GSM/GPRS module. It is controlled via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands), and fully compatible with Arduino / Iteaduino and Mega.

Features

• Quad-Band 850/900/1800/1900MHz
• GPRS multi-slot calss 10/8
• GPRS mobile station class B
• Compliant to GSM phase 2/2+
• Class 4 (2W@850/900MHz)
• Class 1 (1W@1800/1900MHz)
• Control via commands (GSM 07.07, 07.05 and SIMCOM enhanced AT Commands)
• Short message service
• Free serial port selection
• All SIM900 pins breakout
• RTC supported with Super Cap
• Power on/off and reset function supported by Arduino interface

Specifications

PCB size	77.2mm X 66.0mm X 1.6mm
Indicators	PWR, status LED, net status LED
Power supply	9~20V, compatible with Arduino
Communication Protocol	UART
RoSH	Yes

Electrical Characteristics

Parameter	Min.	Typical	Max.	Unit
Power voltage (Vlogic)	4.5	5	5.5	VDC
Input voltage (Vsupply)	9	-	20	V
Input voltage VH	4.5	5	5.5	V
Input voltage VL	-0.3	0	0.5	V
Current Consumption(pulse)	-	-	2000	mA
Current Consumption(Continues)			500	mA
Baud rate		9600		bps