Driver Information 
 Old drivers impact system performance and make your PC and hardware vulnerable to errors and crashes. We suggest you to download the latest drivers.
 Keep your 
CTC CDMA 3G Diagnostics Port (COM4) driver upto date to maximize its performance, fixing any error related to driver.
 
 
 
 
 CTC CDMA 3G Diagnostics Port (COM4) is a windows driver. It's released by 
CTC CDMA 3G Device  
 Type:    Ports 
 Version:   2.0.4.0X 
 Date:  2009-07-15
   Hardware IDs: 
 
 USB\Vid_05c6&Pid_6500&Rev_0000&MI_01
USB\Vid_05c6&Pid_6500&MI_01
  
  Compatible IDs: 
 
 USB\Class_ff&SubClass_ff&Prot_ff
USB\Class_ff&SubClass_ff
USB\Class_ff
  
 The following operating system has used this driver: 
 
  Microsoft Windows 7 Ultimate  
 Microsoft Windows XP Professional 
 Microsoft Windows 8 Pro 
 This download is valid for the product(s) listed below:
Acer - Aspire E1-431 (Type1Family/V1.11- SKU:Type1Sku0) 
 System Manufacturer - System Name (System Version) 
 NEC CI - EASYNOTE PN07000647 
 TOSHIBA - * (*) 
 Acer - Aspire 4750 (HuronRiver System/V1.19- SKU:System SKUNumber) 
 OEM - OEM 
 HP Pavilion 061 - DT087A-AB1 t402k (04z1211RE101OXFOR00) 
 ASUSTeK COMPUTER INC. - X201EP (X/1.0- SKU:ASUS-NotebookSKU) 
 AXIOO - PICO CJW             (0.1) 
 Hewlett-Packard - HP dx2355 MT(KM421AV) 
 emachines - emachines D725                  (0100) 
 HP-Pavilion 061 - EZ054AA-AB4 g1030l FD440  (0020211LX101SHIVA00) 
 Acer, inc. - TravelMate 2480  (Not Applicable) 
 INTEL_ - D945GLF_ 
 Acer - Aspire 4315                     (0100) 
 P4i6G - P4i65G  
Notices:
The software drivers provided on this page are generic versions and can be used for general purposes. However, computer original equipment manufacturers (OEMs) may have altered the features, incorporated customizations, or made other changes to the software or software packaging they provide. To avoid any potential installation incompatibilities on your OEM system, We recommend that you check with your OEM and use the software provided via your system manufacturer. We or the computer original equipment manufacturer (OEM) may not provide technical support for some or all issues that could arise from the usage of this generic version of software drivers.