31 March 2011
Thursday, March 31, 2011 · By Ramin asadi
Apparently, all the models looks same but if you remove the cover, then you will see a very clear difference in all three versions. Check out the image below.
Top: GSM, Middle: CDMA, Bottom: Wi-Fi
1. The main difference between CDMA and GSM version is the Micro-SIM card. GSM model has it attached with the antenna whereas CDMA model don’t have it. This difference is because the CDMA model don’t need to save the users’s data in the SIM. In CDMA version, the data of user is hosted on board.
2. Another difference is the CDMA model has an extra antenna like iPhone 4.
Top: Wi-Fi, Middle: GSM, Bottom: CDMA
The logic board are also changed in all three versions of iPad 2.
The CDMA version has MDM6600 baseband chip in it like iPhone 4 whereas in GSM model, to host the GSM connectivity, company used the infenion chip.
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