Product Description

Product Description 
Detailed Introduce: 
Featuring an industry-standard interface, SIM300S/340S delivery GSM900/1800MHz performance for 
Voice, SMS, Data, and Fax in a small form factor and with low power consumption. 
@ Dual-Band GSM/GPRS 900/1800MHz or Quad-Band GSM. GPRS 850/900/1800/1900MHz 
@ Dimensions: 40mm*33mm*2.85mm 
@ Weight: 8g 
@ Control via AT commands (GSM 07.07, 07.05 and SIMCom enhanced AT Commands) 

@ Supply voltage range 3.4V - 4.5V 
@ Low power consumption 
@ Normal operation temperature: -20oC  to +55oC 
@ Restricted operation temperature: -30oC  to -20oC  and +55oC  to +80oC 
@ Storage temperature: -40oC  to +85oC