GSM Module SIM900 Features:
• Quad-Band 850 / 900/ 1800 / 1900 MHz – would work on GSM networks in all countries across the world.
• GPRS multi-slot class 10/8.
• GPRS mobile station class B.
• Compliant to GSM phase 2/2+.
• Class 4 (2 W @ 850 / 900 MHz).
• Class 1 (1 W @ 1800 / 1900MHz).
• Control via AT commands – Standard Commands: GSM 07.07 & 07.05.
• Enhanced Commands: SIMCOM AT Commands.
• Short Message Service – so that you can send small amounts of data over the network (ASCII or raw hexadecimal).
• Embedded TCP/UDP stack – allows you to upload data to a web server.
• RTC supported.
• Selectable serial port.
• Speaker and Headphone jacks..
• Low power consumption – 1.5mA(sleep mode).
• Industrial Temperature Range – -40°C to +85 °C.
• Size:8.5×5.7x2cm(approx).