Your wireless network at office or home may have MAC filtering enabled then to connect to wireless network you must need wireless MAC address of your PlayBook device, so follow the given steps to find MAC address on PlayBook tablet.
On PlayBook home screen, tap Settings icon on status bar
![palybook-settings](http://www.trickyways.com/wp-content/uploads/2011/04/palybook-settings.png)
Tap WiFi on the left menu
![wifi-settings](http://www.trickyways.com/wp-content/uploads/2011/05/wifi-settings.png)
At the bottom of the screen, tap WiFi symbol icon with “?” mark on it
![playbook-wifi-troubleshoot Playbook wifi troubleshoot](http://www.trickyways.com/wp-content/uploads/2011/05/playbook-wifi-troubleshoot.png)
Here you can find MAC address named as Physical address. Use this Physical Address of WiFi Adapter and add it in your wireless router MAC filtering setting.
![playbook-wifi-address Playbook wifi address](http://www.trickyways.com/wp-content/uploads/2011/05/playbook-wifi-address.png)
Gracias por los aportes me son de gran utilidad, cualquier duda te la haré saber mil gracias