BLE4.0 BLE4.1 和BLE4.2 的主要区别
【摘要】
https://www.quora.com/What-are-the-main-differences-between-Bluetooth-4-0-4-1-and-4-2-in-the-Layers-Baseband-LMP-L2CAP-app-Layer
http://sina.com.hk/news/article/...
https://www.quora.com/What-are-the-main-differences-between-Bluetooth-4-0-4-1-and-4-2-in-the-Layers-Baseband-LMP-L2CAP-app-Layer
http://sina.com.hk/news/article/20131223/0/5/0/-38766.html?cf=o.digital
BLE4.1相比BLE4.0的区别是：
1）与4G网络合并共处，减少干扰
2）可以同时做主和从，提供速度
3）ipv6
4）简化了设备的连接过程
V4.0 到V4.1 硬件不需要改变。
BLE4.1和BLE4.2的区别：
http://www.semiconductorstore.com/blog/2015/BLE-4-2-vs-BLE-4-1/1548
Key Bluetooth 4.2 Features Not Available with Bluetooth 4.1
IoT Capabilities:
- Low-power IP (IPv6/6LoWPAN)
- Bluetooth Smart Internet Gateways (GATT)
With BLE 4.2 Bluetooth Smart sensors can transmit data over the internet.
Security:
- LE Privacy 1.2
- LE Secure Connections
With new, more power efficient and highly secure features, BLE 4.2 provides additional benefits allowing only trusted owners to track device location and confidently pair devices.
Speed:
- 250% Faster
- 10x More Capacity
文章来源: blog.csdn.net，作者：TopSemic嵌入式，版权归原作者所有，如需转载，请联系作者。
原文链接：blog.csdn.net/wangwenxue1989/article/details/51628755
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