Question: What is the average range of a wireless PCMCIA card? (Built-in antenna)

Answer: It appears that each manufacturer will supply different ranges, but for averages the table below should suffice.

11 Mbit/s

Range in meters(feet)

Open Office 160 m (525 ft)

Semi Open Office 50 m (165 ft)

Closed Office 25 m (80 ft)

Closed Office 25 m (80 ft)

Receiver Sensitivity -82

Delay Spread (at FER of <1%) 65ns

5.5 Mbit/s

Range in meters(feet)

Open Office 270 m (885 ft)

Semi Open Office 70 m (230 ft)

Closed Office 35 m (115 ft)

Closed Office 35 m (115 ft)

Receiver Sensitivity -87

Delay Spread (at FER of <1%) 225ns

2 Mbit/s

Range in meters(feet)

Open Office 400 m (1300 ft)

Semi Open Office 90 m (300 ft)

Closed Office 40 m (130 ft)

Closed Office 40 m (130 ft)

Receiver Sensitivity -91

Delay Spread (at FER of <1%) 400ns

1 Mbit/s

Range in meters(feet)

Open Office 550 m (1750 ft)

Semi Open Office 115 m (375 ft)

Closed Office 50 m (165 ft)

Closed Office 50 m (165 ft)

Receiver Sensitivity -94

Delay Spread (at FER of <1%) 500ns