Specification:Condition: 100% Brand newProduct Code: LC-GSM-SIM800CWorking Voltage: DC 5VOperating Temperature range: -20-85Operating Humidity Range: 0%-95%RHSize: Approx. 78 x 21 x 6mm / 3.1 x 0.8 x 0.2inAntenna Size: Approx. 50 x 17 x 11mm / 2 x 0.7 x 0.4inPackage List:1 x USB to GSM Module1 x AntennaNote:New-style and old-style are shipped randomly