Friis Transmission Formula with Propagation LawR = Maximum range for communication link N = Propagation Law (N=2 for line-of-sight, N=4 for urban environments)PT= Transmit power GT= Total antenna gainλ = WavelengthPR= Receiver sensitivityFM= Fading marginif in urban environments;-Every 12 dBm receiver sensitivity gain will be double the distance.Every 12 dBi antenna gain will be double the distance.Every 12 dBm Transmitter power gain will be double the distance.in line of sight environments;-Every 6 dBm receiver sensitivity gain will be double the distance.Every 6 dBi antenna gain will be double the distanceEvery 6 dBm Transmitter power gain will be double the distance.http://forum.arduino.cc/index.php?topic=175577.msg1304059#msg1304059
New Arduino Tian come with two standard antenna connector, one for 2.4 GHz and an other for 5 GHz.extended wifi range could be easily by use antenna. 24 dBi antenna will make wifi range from 100m to 1600m.::::SNIP::::
@sonnyyu,Can Yun use external antenna?Jesse
Yes, with some kind of difficulty (hack).Yún: no antenna connector but special connector MM8430-2610 for calibration of AR9331. https://forum.arduino.cc/index.php?topic=188976.msg1470200#msg1470200Tian: two standard antenna connectors, one for 2.4 GHz and an other for 5 GHz.
Wow, a beautiful board. I wonder if they will improve the bridge library. And I didnt see a microsd socket.
Is the Ciao implemented in linux, as bridge? Now I cant check the ciao documentation.
@mart256As ShapeShifter pointed out in another thread. Ciao is at Arduino.org, the other part of the company - not talking to this part.http://labs.arduino.org/CiaoJesse
Arduino Yún : Yún in Chinese means cloud.Arduino Tian: Tian in Chinese means sky.