无线网络技术比较表
Item Specification | Wireless LAN 802.11 | HOME RF 1.09 | BLUETOOTH |
Application | High speed wireless data networking(long distance) | Wireless communication in home & SOHO | Wireless communication in short range |
Technology | FHSS,DSSS | FHSS | FHSS |
Frequency | RF 2.4GHz | RF 2.4GHz | RF 2.4GHz |
Power | +18dbm | +18dbm | +18dbm |
Data rate | 11Mbps | 11Mbps | 1Mbps |
Distance | 150M | 50M | 10M |
Transmission | DSSS: Data FHSS: Data & Voice |
Data & Voice | Data & Voice |
Specification | IEEE | Home RF group | Bluetooth SIG |
Interface | USB,ISA,PCI,PCMCIA | N/A | Module |
Main structure | MAC,RF,Baseband | MAC,RF,Baseband | RF,Baseband,HCI,Ling manager |
Power consumption | 250mA | 100mA | 40mA |
Cost | High | Middle | Low |