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 are outside in an open field. Even then it is rare to get a range of 100 meters.
The Bluetooth LE radio operates on over 40 channels,...
