... External antenna,to 7m -2G/3G,BarCode,GPS Handheld portable smart card reader Introduction & feature:Completely self-owned brand. Independent R&D ... management: Animal Busbandry,Nursery,Food safety,Shopping mall, colthes, Luggage,Express ,Containers etc. Logistics trackingAsset management: Hostpital, hotel, office, ... online technology upgrading; Flagship UHF product - Handheld portable smart card reader