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| Item | Description |
| Protocol/standards | IEEE802 .11b |
| Interface type | SDIO 1 .1/2 .0/3 .0 |
| Frequency range | 2 .4-2 .4835GHZ |
| Channels |
1- 11 （A merica , Canada）; 1- 13 （China , Europe）; 1- 14 （Japan） |
| Data modulation | OFDM/DBPSK/DQPSK/CCK |
| Working mode | Infrastructure , Ad- Hoc |
| Transmitting rate | 135/54/48/36/24/18/12/9/6 /1M （self-adapting） |
| Spread spectrum | DSSS |
| Sensitivity @ PER |
54/135M:-74dBm@ 10%PER; 11M:-85dBm@8%PER; 6 M: -88dBm@ 10%PER; 1M: -90dBm@8%PER; |
| RF Power | 135M:15dBm ; 4 M:15dBm;11M:19dBm |
| Throughput | 90Mbps(External 2d Bi antenna ,damping 40dBm in Shielding box ) |
| Antenna connection mode | Connect to the external antenna through the half hole |
| Transmit distance | Indoor 100M, Outdoor 300M, according the local environment |
| Operating temperature |
Work temperature : 0°C ~ 40°C ; Storage temperature : -20°C ~70°C |
| Operating System | Windows2000/XP/Vista/Win7/Linux/WinCE |
| Working current | 180mA |
| Size(L*W* H) | 13* 12 .5*0 .8mm |
| Chipset | RTL8191ES-CG |
