Product Info

- 2 -

Catalog

1. ............................................................................................................................................ - 3 -

2. Electrical parameters ......................................................................................................... - 3 -

2.1 Power consumption parameters ................................................................................. - 3 -

2.2 work environment ....................................................................................................... - 4 -

3. Radio Frequency Parameters ............................................................................................ - 4 -

3.1 Basic Radio Frequency Parameters ............................................................................. - 4 -

3.2 TX、RX performance ................................................................................................... - 5 -

3.2.1 IEEE802.11b Mode ............................................................................................... - 5 -

3.2.2 IEEE802.11g Mode ................................................................................................ - 6 -

3.2.3 IEEE802.11n Mode ............................................................................................... - 7 -

4. AC8401 essential information ......................................................................................... - 10 -

4.1 Pin arrangement ........................................................................................................ - 10 -

4.2 Pin definition ............................................................................................................. - 10 -

4.2.1 Module hardware pin definition ........................................................................ - 10 -

4.3 Built in antenna ......................................................................................................... - 12 -

4.4 Mechanical dimension............................................................................................... - 13 -

4.5 Recommended package size ..................................................................................... - 14 -

5. Reference design ............................................................................................................. - 15 -

5.1 UARTinterface design ................................................................................................ - 15 -

5.2 Power supply requirements ...................................................................................... - 16 -

6.Certification instructions .................................................................................................. - 17 -

6.1Label diagram ............................................................................................................. - 17 -

6.2 FCC instructions ......................................................................................................... - 17 -