Arduino sim900A GSM module
Two power supply interfaces: VCC5, 5V DC above 1A.
Dual-Band 900/ 1800 MHz
GPRS multi-slot class 10/8GPRS mobile station class B
Compliant to GSM phase 2/2+
Dimensions: 24*24*3 mm
Weight: 3.4g
Control via AT commands (GSM 07.07,07.05, and SIMCOM enhanced AT Commands)
Supply voltage range: 5V
Low power consumption: 1.5mA (sleep mode)
Operation temperature: -40°C to +85 °
ATTENTION..! USE 5V DC-2A SMOOTH POWER FOR SIM CARD REGISTRATION
Professional skills are needed while installing