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Mastering Arduino by Jon Hoffman

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Bluetooth LE radio

Since we will be using Bluetooth LE 4.0 for all the projects in this book, the following specifications are for this standard:

Range

Up to 100 meters

Radio Frequency

2.402 - 2.481 GHz

Radio Channels

40 (37 data and 3 advertising)

Maximum OTA Data Rate

1 Mbit/s

Application Data Throughput

0.125 Mbit/s

Network Topologies

Point-to-Point

Network Standard

IEEE 802.15.1

 

Bluetooth LE has a maximum range of 100 meters, but this is very dependent on the surroundings. When the connected devices are indoors, the range will be dramatically reduced due to walls and other obstacles that the radio signal needs to go through. Generally, we will not see a range close to 100 meters unless we ...

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