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12/6/2016 new driver models for direct download:548
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A4tech Rfkbs-23 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for A4tech Rfkbs-23
Certifications for A4tech Rfkbs-23
5 stars for A4tech Rfkbs-23 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 12/6/2016 Updates

All drivers on semantic.gs are updated on daily basis.

However, a new version of A4tech Rfkbs-23 might have been uploaded since our last site update.

A4tech Rfkbs-23 Driver Download

Windows Compatibility for A4tech Rfkbs-23 driver

A4tech Rfkbs-23 Driver Details:

A4tech Rfkbs-23 File Name: a4tech_rfkbs-23.zip

A4tech Rfkbs-23 Driver Version: 935b0

A4tech Rfkbs-23 ZIP Size: 129.kb

Manufacturer: A4tech

A4tech Rfkbs-23 was fully scanned at: 12/3/2016
Scan Status: driver download scanOK

A4tech Rfkbs-23 special revision for: Windows 7 Enterprise (Microsoft Windows NT) 64 bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 64 bit, Windows 7 Starter 32 bit, Windows 7 Ultimate 32 bit, Windows XP Media Center Edition 2005 64 bit, Windows XP Media Center Edition 32 bit, Windows 7 Professional 64 bit, Windows Vista Business 64 bit, Windows XP Tablet PC Edition 64 bit, Windows Vista Ultimate 32 bit, Windows XP Home Edition, for home desktops and laptops 64 bit, Windows XP Professional x64 Edition 32 bit, Windows Vista Home Basic 64 bit, Windows 7 Home Basic 64 bit

A4tech Rfkbs-23 Download Stats:

Driver Uploaded: 10/19/2016

Direct Downloads: 426
Most Recent Download: 12/4/2016
Managed Downloads: 5663
Most Recent Download: 12/4/2016
Download Mirrors: 3
Current Delay: 11 Seconds
Driver License: Free to the general public

Direct Download Success Stats:

Reports Issued By 388/426 Users

Success Reported By 111/388 Users

Driver Download Score63/100

Driver Installation Score69/100

Overall preformance Score69/100

A4tech Rfkbs-23 62 Thumbs Up62Thumbs
Up
A4tech Rfkbs-23 15 Thumbs Down15Thumbs
Down
A4tech Rfkbs-23 driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 4878/5663 Users

Success Reported By 3949/4878 Users

Driver Download Score97/100

Driver Installation Score78/100

Overall preformance Score97/100

A4tech Rfkbs-23 3863 Thumbs Up3863Thumbs
Up
A4tech Rfkbs-23 220 Thumbs Down220Thumbs
Down
A4tech Rfkbs-23 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.

DOWNLOAD OPTIONS:

1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if A4tech Rfkbs-23 is the only driver on your PC you wish to update.

 

2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of A4tech Rfkbs-23 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing A4tech Rfkbs-23, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

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Other drivers most commonly associated with A4tech Rfkbs-23 problems:

A4tech Rfkbs-23 may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from A4tech Rfkbs-23 disfunctions.

Scan performed on 12/6/2016, Computer: HP 610-1130uk

Outdated or Corrupted drivers:5/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Microsoft Extended IO BusUp To Date and Functioning
Mice And Touchpads
Synaptics Synaptics Composite USB HID DeviceUp To Date and Functioning
Logitech Logitech USB First/Pilot Mouse+Up To Date and Functioning
Usb Devices
Samsung SAMSUNG Android USB Composite DeviceUp To Date and Functioning
Samsung Gadget SerialCorrupted By A4tech Rfkbs-23
Hewlett-Packard HP Color LaserJet 2840 EWSUp To Date and Functioning
Sound Cards And Media Devices
Toshiba TOSHIBA USB ISDB-T TV Tuner(x64)Up To Date and Functioning
Logitech USB Audio DeviceUp To Date and Functioning
ASUSTek ASUS TV7134 WDM TVTuner (FM1216ME)Corrupted By A4tech Rfkbs-23
Network Cards
Realtek Realtek PCIe GBE Family ControllerCorrupted By A4tech Rfkbs-23
Keyboards
Microsoft Keyboard Device FilterCorrupted By A4tech Rfkbs-23
Hard Disk Controller
Microsoft ULi M5229 PCI-Bus-Master-IDE-ControllerUp To Date and Functioning
Others
Intel Intel(r) AIM External Flat Panel Driver 7Up To Date and Functioning
Nokia Nokia USB OBEXUp To Date and Functioning
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBUp To Date and Functioning
Video Cards
NVIDIA NVIDIA GeForce GT 630MUp To Date and Functioning
Input Devices
Logitech USB Input DeviceUp To Date and Functioning
Port Devices
Alcatel MT6235Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 12/6/2016, Computer: HP P6755de

Outdated or Corrupted drivers:8/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Matrox Graphics ALi PCI to USB Open Host ControllerCorrupted By A4tech Rfkbs-23
Mice And Touchpads
Microsoft Microsoft USB IntelliMouse WebUp To Date and Functioning
Microsoft HID mouseUp To Date and Functioning
Microsoft Microsoft SideWinder X3 Mouse (IntelliPoint)Outdated
Usb Devices
Intel(R) G33/G31/P35/P31 Express Chipset PCI Express Root Port - 29C1Outdated
Sound Cards And Media Devices
DisplayLink DisplayLink USB Audio AdapterUp To Date and Functioning
Philips Multimedia ControllerCorrupted By A4tech Rfkbs-23
China USB2.0 Video CaptureUp To Date and Functioning
Network Cards
Broadcom 1x1 11b/g/n Wireless LAN PCI Express Half Mini Card AdapterOutdated
Keyboards
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Ricoh SDA-Standard konformer SD-HostcontrollerUp To Date and Functioning
Others
National IrDA Fast Infrared PortCorrupted By A4tech Rfkbs-23
Initio Initio Default ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MG5300 seriesUp To Date and Functioning
Video Cards
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)Up To Date and Functioning
Input Devices
Eastern Times USB-HID (Human Interface Device)Outdated
Port Devices
Huawei Vodafone Mobile Broadband Diagnostics Port (Huawei) (COM23)Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By A4tech Rfkbs-23
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
A4tech Rfkbs-23 61.11.11.129/14/201412/28/2015zz-61.11.11.12.exe84kbZEPTO Znote 6515WD, HP GU631AA-UUW a6225.sc, Intel SQ45CB, CASPER CASPERPRO, Sony VGN-A215M, Sony SVE15126CNW, HP H9-1168hk, HP HP dx2700 MT, Sony SVE1412ECXP, Toshiba Satellite A100-626, CDM K9A2VM-FD R01, HP BK175AA-ABA HPE-270f, and more.
A4tech Rfkbs-23 21.179610/27/201412/29/2015a4tech_rfkbs-23-21.1796.exe23kbCompaq RX917AA-ACJ SR1929IL FD440, HP ProLiant WS460c Gen8 WS Blade, VVIKOO VI P67 PRO, NEC POWERMATE RD391161295, Gateway GT5473E, IBM 2668VMY, LG R470-KRW4K, Fujitsu FMVXN6EG2Z, HP WK677AA-ABD p6315de, HP KX781AV-ABJ p6120jp, Panasonic CF-Y4HW8AXR, HP RZ438AA-UUW s3040.sc, and more.
A4tech Rfkbs-23 1.123042/23/201512/30/2015a4tech_rfkbs-23-1.12304.exe80kbCompaq DN146A-ABA S5410NX NA310, Systemax Charity PC 2010, NEC PC-LL550RG1TB, Fujitsu FMVTE50X, HP VN310AA-UUG HPE-020be, Exper DIAMONDW-539, Samsung P580, Lenovo 6066W8R, Dell Studio 1457, Panasonic CF-Y7BWTAJS, Sony SVE15138CGS, IBM ThinkPad X41 Tablet, Toshiba SATELLITE C850D-131, and more.
A4tech Rfkbs-23 4683/3/201512/27/2015ixqekgfb-468.exe217kbECS Z77H2-A2X Deluxe, IBM 8171VRJ, WIPRO WNBOBM4930-EK-0015, HP HP Compaq 6735s, LG B70PS.AR38B3E, TCL N700, Lenovo ThinkPad X230 Tablet, HP FR546AA-ABE a6653es, Sony VGN-SZ780U, Lenovo ThinkPad R60e, Extracomputer D3128-B2, and more.
A4tech Rfkbs-23 J702.192.111/5/201412/29/2015a4tech_rfkbs-23-j702.192.1.exe129kbToshiba PORTEGE A600, Panasonic CF-W2FW6AXR, Dimotion PCDO5V3, HP HP Compaq nx6115, HP HP Compaq 6510b, MSI IR-7529, HP PX530AA-UUZ t3040.ch, Lenovo ThinkPad W500, HP EP245AA-ABU m7385.uk, Dimotion PCDO5U1, Pegatron C17B, Compaq DD345A-ABS 6620 SV110, Packard Bell EasyNote TM01, HP FL447AA-ACB a6641ru, and more.
A4tech Rfkbs-23 A424483/9/201512/30/2015a4tech_rfkbs-23-a42448.exe36kbToshiba SATELLITE L875-12M, Panasonic CF-52RE301QW, HP G5406f, Panasonic CF-T1RCAXR, HASEE U147, HP P7-1012, Seneca Pro52700, MSI MS-16GN, NEC PC-VJ24LLNVHT8B, Mitsubishi CX32VLZJTSBH, Lenovo ThinkCentre M55e, HP RA956AA-ABH m7580.nl-a, Dell Dell System Inspiron M4110, KBS 7Eve, and more.
A4tech Rfkbs-23 H1.162010/3/201412/27/2015a4tech_rfkbs-23-h1.1620.exe147kbSony VGN-AW290Y, Seneca Pro300475, IBM 2669W58, Toshiba SATELLITE C875-15F, Lenovo 7373W5P, IBM 8212W4R, Sony VGN-SZ71XN_C, NEC PC-MA30YMZEB, Samsung SX60P, Lenovo 7360-D3U, HP FR449AA-ABU s3621uk, HP KX781AV-ABJ p6120jp, IBM 8307L9U, and more.
A4tech Rfkbs-23 338881/30/201512/29/2015rbwxtpy-33888.exe47kbIBM 8115KUT, Panasonic CF-W2EC1AXS, Sony SVE11139CJB, Toshiba Satego P100, SAMSUN SQ45/Q70C/P200, Toshiba DynaBook V7, IBM 8305VBG, IBM 2652P5U, HP VN470AA-UUZ m9837ch, I-MOBILE TPC-2A, IBM 8307SGY, ICP / IEi KINO-945GSE, LG E500-K.APCAY, HP Compaq 615, HP HP ProBook 6445b, Lenovo 20B7S07L00, Toshiba Dynabook T552/47FR, Panasonic CF-19HH165NW, Panasonic CF-51PFDDEBM, and more.
A4tech Rfkbs-23 F3338711/6/201412/30/2015a4tech_rfkbs-23-f33387.exe120kbNEC PC-MK29MLZDF, Gateway GT5418E, Lenovo ThinkServer TS430, HP GU519AA-UUW a6233.sc, Compaq GM442AA-ABA SR5125CL, Panasonic CF-S10DVCDP, HP G5261de, Lenovo 9622W4D, IBM 8184RUM, NEC RND41042195, Compaq EL445AA-ABA SR1750NX NA651, Fujitsu FMVNB70E, IBM 26721LG, HP P7541A-ABG 711a, and more.
A4tech Rfkbs-23 A334402/20/201512/27/2015a4tech_rfkbs-23-a33440.exe80kbNEC PC-MJ29MLZZ1BSG, Packard Bell OneTwo S3221, Packard Bell IXTREME GOLD H5050, NEC PC-VY25AAZR7, Acer TravelMate P455, MSI MS-16GN, HP Pavilion dv9500 PC Notebook, Lenovo SS09254503, LG 15U530-GT30K, HP HP Compaq DC5850, HP PX588AA-ABX w5080.fi, and more.
A4tech Rfkbs-23 2.10261.112/27/201412/28/2015mnzzaav-2.10261.1.exe119kbAcer TravelMate 8331, MSI MB-7529, Compaq NP291AA-AB2 SR5837CX, Panasonic CF-T1RCAXR, Sony VGN-NS120AH, HP HPE-430it, APC4R APC4R116, HP PL494AA-ABH t760.be, IBM 8187RGH, ALFATRON SpA DN1010/M, HP PS306AA-AB9 a819.pt, and more.
A4tech Rfkbs-23 H802.11.1010/5/201412/30/2015a4tech_rfkbs-23-h802.11.10.exe133kbPanasonic CF-Y4HW8AXR, HP RZ438AA-UUW s3040.sc, Gigabyte H61M-USB3-B3, HP HP Pavilion 15 Notebook PC, Sony VGN-AW52JGB, ADVANC Modelo_A, Apple IMac8,1, Packard Bell IMEDIA MC 5303, IBM 8212K4U, Sony VGN-NW120D, Sony VGN-TZ73B, IBM System x3630 M3 -[7377AC1, IBM IBM System X3100 M4 -[2582B2A, and more.
A4tech Rfkbs-23 61.10392/1/201512/28/2015a4tech_rfkbs-23-61.1039.exe53kbHP RA964AA-AB9 w5560.pt, NEC EASYNOTE PB41Q00006, Gigabyte GA-6PXSV3, HP BK175AA-ABA HPE-270f, ASUS A7V, HP H8-1525eg, HP WL327AA-ABD p6328de, HP Pavilion G60-418CA, HP PAVILION DV8000, IBM 2384ATU, and more.
A4tech Rfkbs-23 2298312/17/201412/29/2015a4tech_rfkbs-23-22983.exe190kbNEC PC-GV18YCZR6, Sony PCV-RZ211, CASPER CASPERPRO, LG S1-M402E1, LG LW65-K5JY, Gateway MX6027H, HP HP MINI DM1-2010SO, LG R560-U.ARC3BT, Lenovo ThinkCentre A52, Panasonic CF-30KAP002B, and more.
A4tech Rfkbs-23 8073311/6/201412/27/2015a4tech_rfkbs-23-80733.exe69kbMedion MS-7667, Packard Bell IMEDIA H5190, Sony VPCF132FX, HP GS210AA-ABV dx2290MT, Packard Bell IMEDIA MC 5303, Toshiba Dynabook Satellite T30 173C/5W, HP Presario M2000, NEC VERSAL2101 RND51047895, WIPRO WSG37455V-0008, HP HP Compaq nx6130, Sony VGN-TZ27MN_B, Fujitsu Amilo A1665G Series, and more.
A4tech Rfkbs-23 21.16071/5/201512/28/2015a4tech_rfkbs-23-21.1607.exe43kbINVESTRONICA PTC-Q965, HP KZ241AA-AR6 p6020l, Supermicro X7QC3, Sony VGN-NR270N, NEC PC-LG17FWTGG, Sony VPCEG15FL, Toshiba SATELLITE L870-150, Lenovo 20B7S07L00, IBM System x3200 M3 -[7327PAA, Lenovo 6086WKY, LG T1-5224A3, HP EG601AA-AB1 a1212k, NEC PC-MK29MLZDF, and more.
A4tech Rfkbs-23 A734409/5/201412/28/2015a4tech_rfkbs-23-a73440.exe41kbLenovo ThinkPad T500, HP D7217M-ABA 533, Panasonic CF-S10DVCDP, HP VN310AA-UUG HPE-020be, Shuttle SB62V10, BenQ Joybook S42, HP PW572AA-B1U d1262.se, Acer Predator G5900, IBM 8307KSU, IBM 2669W58, DTK VistaPro 6250, Gericom Phantom, Lenovo 2008WHV, HP HP Compaq nx7300, HP HP Pavilion dv9500, Medion P861X, LG C400-G.BC25P1, Sony VGC-LB92S, Sony VGN-CR313H_B, and more.
A4tech Rfkbs-23 2.1331.1910/8/201412/27/2015a4tech_rfkbs-23-2.1331.19.exe138kbFujitsu FMVA30DN, Lenovo ThinkCentre Edge 72, Toshiba Satellite P50-A X3110, Intel S3420GPC, NEC VERSAE3100 NN780248559, Gateway GM5688E, Sony VGN-NS328J, NEC PC-VW770FS6B, Lenovo ThinkPad L430, Sony SVD132100C, Sony VGN-FW190CU, EMachines Emachine E725, Toshiba SATELLITE PRO T130, LG E500-L.A2RBY, Lenovo ThinkCentre A70, Sony VGN-BX745FN, and more.
A4tech Rfkbs-23 606281/17/201512/30/2015a4tech_rfkbs-23-60628.exe26kbMSI MS-7360, Lenovo 6457WK5, AnabelleB Argyle M300, MEGAWARE Mage All-In-One, LG LS50-UG5F1, Lenovo ThinkPad X61 Tablet, Lenovo Lenovo H320 10046, Gigabyte MSH61PI-EX, AT TRILINE PROFI I102, Sony VGN-TT1, and more.
A4tech Rfkbs-23 2072.121/16/201512/28/2015a4tech_rfkbs-23-2072.12.exe36kbIBM System x3300 M4 -[7382E3G, HP P6374A-ABG 720a, IBM 8307KSU, CDM K9A2VM-FD R01, IBM 622133G, Panasonic CF-53JAWZYFN, Toshiba Dynabook TX/66JPK, ASUS CS6110, Biostar GF8200C M2+, Sony VGN-FW180FU, Toshiba Dynabook Qosmio F20/590LS, Sony PCG-K215M, Haier T68 Series, Sony VGN-TX72B_B, HP Pavilion dv8000, and more.
A4tech Rfkbs-23 1.10732.18/29/201412/29/2015a4tech_rfkbs-23-1.10732.1.exe100kbLeading Edge LECB7400, Medion S2211, Itautec Infoway w7730, Packard Bell ISTART MC 9100 AIO EU, Sony PCG-GRX700, HP WK697AA-ABD p6329de, Seneca Pro86308, IBM 8307KSU, Lenovo ThinkPad T60, ARCELIK 1PF-ANB 586D1 MT, Dell Vostro 5470, and more.
A4tech Rfkbs-23 1.17899/12/201412/30/2015a4tech_rfkbs-23-1.1789.exe176kbSony SVE15138CGS, IBM ThinkPad X41 Tablet, Toshiba SATELLITE C850D-131, IBM ThinkPad G40, Panasonic CF-19HH165NW, Sony VGN-SR25T_P, MSI AS-B05011, Compaq EV971AA-ABF SR1860FR FR620, Sony VGN-Z41XRD_B, NEC PC-MY18XAZE1XTA, and more.
A4tech Rfkbs-23 221.17310/27/201412/30/2015upmmhe-221.173.exe145kbHP HP Pavilion DV9670EM, IBM 2525AP5, HP GU508AA-B14 m9080.be, HP NP169AA-ABM p6130la, Dell PowerEdge C8220, HP D7218S-ABA 554Y, Lenovo ThinkPad T510i, Compaq PJ536AA-ABA SR1265CL NA441, HP Pav dv6521 mariner, HP ER183AA-ABZ m7395.it, NEC PC-MJ25XRZEE, Packard Bell IMEDIA D7010 NL, Sony VGN-FW26T_B, and more.
A4tech Rfkbs-23 P1.12.1649/14/201412/29/2015onhuoqe-p1.12.164.exe214kbNEC PC-MY26XFREJ, Sony VGN-TZ27FN, HP HPE-380jp, IBM 4838137, HP Presario R3000, Gateway FX540B, Toshiba SATELLITE L850-153, Gateway DX4820-23, IBM 8183Z2C, Sony VNG-FE25TP, IBM 8115KUT, Supermicro X7DBP, AnabelleB Pedra BA10, Sony VGN-AR11MR, HP Presario R4100, and more.
A4tech Rfkbs-23 732.172.18/22/201412/30/2015a4tech_rfkbs-23-732.172.1.exe51kbCompaq P8657J-ABA SR1000Z NA441, Sony VGN-P25G_Q, HP Compaq Mozart CQ50-112eo, Intel SJR2A092, MSI GP60 2PE, Toshiba Dynabook Satellite T772/W5TG, IBM 2374258, NEC PC-MY21AEZR3, Sony VGN-SZ55_B, Compaq PJ517AA-ABA SR1220NX NA441, Lenovo ThinkCentre A70z, HP Presario R3000, Compaq BK129AA-AB4 CQ3230L, Lenovo 3000 H230 10025, NEC PC-VL150GS, Seneca V63909, and more.
A4tech Rfkbs-23 M71.10702/14/201512/30/2015a4tech_rfkbs-23-m71.1070.exe122kbGateway GT5418E, Sony VGX-XL2A, MiTAC 9525, Dell Inspiron 3646, WIPRO WNBOBM4930-EK-0015, IBM ThinkCentre M50, HP GU613AA-ACB m9080.ru, NEC PC-LL3509D, LG LW75-PMXH1, HP DF162A-ABH T160, Sony VPCEB15FA, NEC PC-MT6005A, Compaq Presario 6266EA, Lenovo ThinkPad X201, and more.
A4tech Rfkbs-23 42271.11/15/201512/28/2015dhog-42271.1.exe167kbHP RR455AA-ABF t3727.f, IBM IBM System x3350 -[4193E5G, Lenovo ThinkPad SL500c, Notebook W310CZ/CZ-T, IBM 1845BJ1, Toshiba Satellite P20, NEC DT000024, Fujitsu FMV8NU1LC5, BYON CHAMELEON, LG LS50-UG5F1, Sony VGN-CR35T_B, HP NE502AAR-ABA a6750t, HP HP EliteBook 8440p, Toshiba SATELLITE C670-13Q, HP Pavilion dv5 NoteBook PC, Fujitsu FMVA30DN, HP FL436AA-ABF a6631af, Packard Bell IMEDIA B2501 BE, NEC PC-MJ30XRZJDU83, and more.


Please Note: There are particular operating systems known to have problems with A4tech Rfkbs-23:
  • Windows 7 Starter
  • Windows 7 Home Premium
  • Windows XP Home Edition N
  • Windows XP Tablet PC Edition
  • Windows XP Professional N
  • Windows 7 Enterprise (Microsoft Windows NT)
  • Windows XP Media Center Edition 2003
  • Windows Fundamentals for Legacy PCs
  • Windows 8 Pro
  • Windows Vista Home Premium
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific A4tech Rfkbs-23 model.
Laptop A4tech Rfkbs-23Tablet A4tech Rfkbs-23Download A4tech Rfkbs-23Upgrade A4tech Rfkbs-23Update A4tech Rfkbs-232016 A4tech Rfkbs-23Free A4tech Rfkbs-23Data A4tech Rfkbs-23Info A4tech Rfkbs-23Help A4tech Rfkbs-23Guide A4tech Rfkbs-23Comments A4tech Rfkbs-23Windows 10 A4tech Rfkbs-23Vista A4tech Rfkbs-23Windows 7 A4tech Rfkbs-23Install A4tech Rfkbs-23