Introduction: FONGWAH WRD-130U1 is a Desktop UHF reader / writer, which is supplie UHF chip like H3,H4 complie with the standard EPC C1G2 ISO 18000-6C. support USB - Keyboard emulation out-put, read tag UID number,out-put format can be set up.SDK,DLL of the device will be provided for free to develop the second software.Features: Frequency: 860~960MHz (Set frequency on demand) US 902-928, TW922-928, CN 920-925, CN2 840-845, EU 865-868 Protocols?EPC C1G2 ISO 18000-6C Interface?USB - Keyboard emulator Supply voltage?USB Port (3 - 7 VDC) RF Power Output?-2dBm ~18dBm, adjustable Reading distance ?10-100 cm (depend on tag) Operation Temp. 0°C to +50°C (+32°F to +122°F) Dimension?120x85x23 mm Indicates:led,and beep. when scan the tag,the led become green,the beep will sound.Package include: 1X UHF Rfid USB Desktop Reader (Read Only) 2X Testing Cards.Tips: Dear Cusotmer: Thanks for visiting our store.for the rfid reader writer,here we would like to kindly remind you that our reader writer is not compatible with any application software or with any other company?s reader We provide you the free SDK and it will will help to guide you to do the second development.