28 simultaneous connections range to 200m user friendly software support USB/Lan/Internet/3G/GPRS update campaign file Over view:Point to multi points, 14 simultaneous connections100KB data rate(depending on bluetooth of mobile phone)Support various types of file transferring, such as image, animation,audio, video, game and so on.Support USB flash drive updatingFanless and noiselessSupport bluetooth security certificationSupport bluetooth data encryptionEmbed LINUX OS400M high performance processorBuilt-in 128MB/1G flash memory15 hours working timeDimension:13*7.5*1.5cm                                                                                                                                     Bluetooth standardBluetooth 2.0+EDR(enhanced data rate)Bluetooth Class1, upto 100m2.4G-2.480GHz frequencyBluetooth stackLC.LM.L2CAP,SDP,RFCOMM.OBEXBluetooth profilesObex pushprofilefile transport profile Software:Support batch sendingWindows based desktop softwareComplete detailed success failure statisticsSupport lottery sendingControl one or many bluetooth pointsControl days and hours to run campaignsRun with or without a network connectionPlug and play technology

Bluetooth Advertising Unit