General features: Tri-Band GSM/GPRS 900/1800/1900MHz(SIM300D)
                                  Quad-Band GSM/GPRS 850/900/1800/1900MHz
                                  (SIM340D)
Dimensions: 33mm x 33mm x 3.0mm 
                                  SMT type suit for customer applications 
                                                                                         

Application： 1: Personal Tracker
                          2:Vehicle Navigation Board

Support：We can supply these solutions of Personal Tracker and Vehicle Navigation Board。

Accessory ：Module Connector、RF Cable、 Antenna、SIM Card Holder

Detailed Introduce：
                    Tri-Band GSM/GPRS 900/1800/1900MHz or Quad-Band GSM.GPRS
                    850/900/1800/1900MHz 
                   GPRS multi-slot class 10/8 
                   GPRS mobile station class B 
                   Compliant to GSM phase 2/2+ 
                   – Class 4 (2W @ 900MHz) 
                   – Class 1 (1W @1800/1900MHz) 
                   Dimensions: 33mmx33mmx3.0mm 
                   Weight: 7.8g 
                   Control via AT commands (GSM 07.07, 07.05 and SIMCom enhanced AT Commands) 
                   SIM application toolkit 
                   Supply voltage range: 3.4V - 4.5V 
                   Low power consumption 
                   Normal operation temperature: -20°C to +55°C 
                   Restricted operation temperature: 
                   -30°C to -20°C and +55°C to +80°C 
                   Storage temperature：-40°C to +85°C