To iPad iphone 4 user:
Using this adapter saves your time, money, and the inconvenience of having 2 SIM cards when you only need one.
This Adapter changes your micro sim mini (3ff mini-uicc card) that can only be used in an iPad, to a full sized sim that can work in any phone, laptop or device that has a sim card slot. You can also cut a regular sized SIM Card to be the size of a Micro SIM Card (3ff mini-uicc card) and use it in the iPad or iPhone 4. ( Instructions Included with Purchase).
Everyone Else:This Adapter can be used in any device that accept 3G SIM Card, not just the iPhone, such as:Wireless Router3G USB Modem Any 3G Cell PhoneLaptop with Sim car
and other device
Micro sim adapter