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發表於 2016-4-29 19:16:20
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規格上差異頗大，不過實測我猜大約是1/2-1/4左右Technical Specification | Classic Bluetooth technology | Bluetooth Smart technology | | Distance/Range (theoretical max.) | 100 m (330 ft) | >100 m (>330 ft) | | Over the air data rate | 1–3 Mbit/s | 1 Mbit/s | | Application throughput | 0.7–2.1 Mbit/s | 0.27 Mbit/s | | Active slaves | 7 | Not defined; implementation dependent | | Security | 56/128-bit and application layer user defined | 128-bit AES with Counter Mode CBC-MAC and application layer user defined | | Robustness | Adaptive fast frequency hopping, FEC, fast ACK | Adaptive frequency hopping, Lazy Acknowledgement, 24-bit CRC, 32-bit Message Integrity Check | | Latency (from a non-connected state) | Typically 100 ms | 6 ms | | Minimum total time to send data (det.battery life) | 100 ms | 3 ms [31] | | Voice capable | Yes | No | | Network topology | Scatternet | Scatternet | | Power consumption | 1 W as the reference | 0.01 to 0.5 W (depending on use case) | | Peak current consumption | <30 mA | <15 mA | | Service discovery | Yes | Yes | | Profile concept | Yes | Yes | | Primary use cases | Mobile phones, gaming, headsets, stereo audio streaming, smart homes, wearables, automotive, PCs, security, proximity, healthcare, sports & fitness, etc. | Mobile phones, gaming, smart homes, wearables, automotive, PCs, security, proximity, healthcare, sports & fitness, Industrial, etc. |
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發表於 2016-5-3 10:19:02
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