Author Topic: Difference between bluetooth 2.0 and bluetooth 2.1  (Read 1946 times)

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Offline Shankynayak

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Difference between bluetooth 2.0 and bluetooth 2.1
« on: November 25, 2011, 11:24:43 am »
BT2.1 & BT2.0 have no difference b/w speeds that would be strange but it's true.
1. BT2.1 is much secure for pairing bcoz it uses SSP (Secure simple pairing) but 2.0 don't.
2. BT2.1 consumes less power than ver2.0
3. BT2.1 has encryption in transmitting data by default but ver2.0 don't by default.
4. BT2.1 uses EIR (extended inquiry response) which filters out all other devices in list when it's pairing with a specific connection.
5. BT2.1 has less steps for pairing than ver2.0
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Offline RamakantPareek

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Difference between bluetooth 2.0 and bluetooth 2.1
« Reply #1 on: August 18, 2012, 12:19:49 pm »
Security has also been improved in 2.1. In Bluetooth 2.0 encryption is optional and can even be disabled. With 2.1, encryption is mandatory for all connections aside from the Service Discovery Protocol.

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