In an optimal indoor installation, the range can be up to 300 feet at 1 Mbs.In an optimal outdoor installation, the range can be up to 2000 feet at 1 Mbs. The range for the client adapter depends upon a number of factors:
the data rate (bandwidth) desired
the antenna type
the cable length
the device receiving the transmission
the radio frequency (RF) environment
The latter is probably the single largest cause of range-related connectivity problems.
Cisco Aironet 350 Series Client Adapters
Cisco Aironet 350 Series Client Adapters deliver superior range, reliability, and performance for business users needing information access anytime, anywhere. Combined with Cisco Aironet unique security services, this product ensures that business-critical information is secure. Most importantly, the Cisco client solution is easy to use, making the benefits of wireless mobility completely transparent.
130 ft (40 m) @ 11 Mbps
350 ft (107 m) @ 1 Mbps
800 ft (244 m) @ 11 Mbps
2000 ft (610 m) @ 1 Mbps
Technical product specification / features
WLAN adapters (wireless card) / ACU (Aironet Client Utility)