无线RS232串口wifi服务器
WLAN  802.11b/g  USB  module  enables  high-speed  54Mbps  wireless  connections  to  LAN  services.  Integrated  WLAN  into  USB  2.0devices  makes  it  more  convenient  to  get  on  the  net  everywhere  you  are.

  

The  VIA  Networking  WLAN  USB  dongle  solution  is  the  innovative
  
design  of  VNT’s  wireless  chipset.  The  WLAN  module  based  on  VIA  Networking  VT6656  is  fully  compliant  with  IEEE’s  security  and  802.11g  standards.  Enabling  data  rates  between  wireless  devices  of  up  to  54Mbps,  it  can  deliver  the  bandwidth    necessary    for    real-time    streaming    of    high-definition    digital    multimedia    content    in    home    networks,    and  provide  high-speed  email,  web  and  LAN  access  to  multiple  mobile  users  in  corporate  environments  or  public  hotspots.
Frequency  Band:                                                            ·2400-2483.5MHz(  for  US,  Canada)·2400-2483.5MHz(  for  Europe)
Operating  Channel:                                                      IEEE  802.1b,  Direct  Sequence  Spread  Spectrum,  IEEE  802.11g,  Orthogonal  Frequency  Division  Multiplexing
·11  Channels(  US,  Canada)
·13  Channels(  Europe,  Japan)
Modulation  Type:                                                            QPSK,  BPSK,  CCK,  OFDMDataRate:                                                                                                    Up  to  54Mbps
Antenna:                                                                                  To  support  one  chip  antenna  or  external  antenna  via  connector
Radiation  Power:                                                            13-17Bm  at  maximum  radition  direction
Power  Consumption:                                                  ·384uA@5V,  Suspend/  high  speed  mode    ·259mA@5V,  Active/  high  speed  mode
Receiver  Sensitivity:                                                ·Min-71dBm@54Mbps,  PER<8%      ·Min-84dBm@11Mbps,  PER<8%
Compliant:                                                                              FCC  Part  15  B,  C(USA);  CE  ETSI  300-328(Europe)  ;  USB-IF
Media  Access  Controller/  Baseband  Controller
Chip:                                                                                            VT6656
Media  Access  Protocol:                                          CSMA/  CA(  Collision  Avoidance)  with  ACK
USB  Interface
Host  Interface:                                                                  Support  USB2.0/1.1  standard
Driver  Supporting
Operating  System:                                                        WINOOWs:  98SE/  Me/  NT/  2000/  XP/  2003  Ser.,  Linux(  2.4.x/2.6.x),  CE(  4.2/5.0b)
Mechanical
Physical  Dimension:                                                    60x24x4mm(  without  connector)  Weight:                                                                                      10g
Environmental  Requirement
Operating  Temperature:                                            ·0°C  to  55°C  in  Operating

·-20°C  to  70°C  in  Storage
Operating  Humidity:                                                      ·0%  to  70%  in  Operating
·0%  to  95%  Non-condensing  in  Storage
Warranty