Connected with your PDA, smart phone, tablet computer by Bluetooth,convenient and save your cost Reading/Writing under protocols of ISO-18000-6B、ISO-18000-6C(EPC G2) View and comfirm on PDA display easily when reading or writing Costs less,more economic than readers with PDA Reliable designation of industrial structure, applicable for tough working environments Provides demo software and SDK based on Android. Specification VH-75 Specifications Model(Order code) VH-75 Performance Indicators Frequency range 865-868MHZ,902-928MHZ(Adjustable) RF mode FHSS or FF(Could be set by software) RF output 18~26 dBm(adjustable) Communication Interface USB2.0, Bluetooth 4.0 Performance of tag operation Reading distance Read>200cm,Write>20cm Air-interface protocol ISO-18000-6B、ISO-18000-6C(EPC G2) Mechanical and electrical properties Dimension 180(Length)*65 (Width)*65(Height)mm Power Rechargeable lithium battery(3.7V,3200mAH) Reading Indication Buzzer, vibration,LED Storage space 1Gb(NandFlash) Standby time 150 hours Weight 250g Humidity 5% to 95%,Non-condensing Ingress Protection IEC IP56 Working Temperature -20oC to +50oC Storage Temperature -25°C to70°C VH-75T: Specifications Model(Order code) VH-75T Specifications Frequency range 865-868MHZ,902-928MHZ(Adjustable) RF mode FHSS or FF(Could be set by software) RF output 18~26 dBm(adjustable) Communication Interface USB2.0, Bluetooth 4.0 Performance of tag operation Reading distance Read>500cm,Write>20cm Air-interface protocol ISO-18000-6B、ISO-18000-6C(EPC G2) Mechanical and electrical properties Dimension 180(Length)*80 (Width)*65(Height)mm Power Rechargeable lithium battery(3.7V,3200mAH) Reading Indication Buzzer, vibration,LED Storage Space 1Gb(NandFlash) Standby time 150 Hours Weight 300g Humidity 5% to 95%, Non-condensing Ingress Protection IEC IP56 Working Temperature -20°C to +50°C Storage Temperature -25°C to70°C