WIRELESS COMPARISON CHART Why Choose? A vs B vs G Wireless Technology Comparison Chart      Wireless Standard 802.11b 802.11a 802.11g Popularity Widely adopted. Readily available everywhere New technology New technology with rapid growth expected. Speed Up to 11Mbps (note: cable modem service typically averages no more than 4 to 5 Mbps). Up to 54Mbps (5X greater than 802.11b). Up to 54Mbps (5X greater than 802.11b). Relative Cost Inexpensive Relatively more expensive. Relatively inexpensive. Frequency More crowded 2.4GHz band. Some conflict may occur with either 2.4GHz devices like cordless phones, microwave ovens, etc. Uncrowded 5GHz band can coexist with 2.4 GHz networks without interference. More crowded 2.4GHz band. Some conflict may occur with other 2.4 GHz devices like cordless phones, microwave ovens, etc. Range Good Range. Typically up to 100-150 feet indoors, depending on construction, building materials, room layout. Shorter range than 802.11b & 802.11g. Typically 25 to 75 feet indoors. Good Range. Typically up to 100-150 feet indoors, depending on construction, building materials, room layout. Public Access The number of public "hotspots" is growing rapidly, allowing wireless connectivity in many airports, hotels, college campuses, public areas, and restaurants. None at this time. Compatible with current 802.11b hotspots (at 11Mbps). Also, it is expected that most 802.11b hotspots will quickly convert to 802.11g. Compatibility Widest adoption. Incompatible with 802.11b or 802.11g. Interoperates with 802.11b networks (at 11Mpbs). Incompatible with 802.11a.