User Documentation
Planning
2053260000/05/2015
63
a) Types of application
• Mobile connection of laptops
• In motor vehicles or machines for data acquisition in storage area
• In automation
• For measured data acquisition or control of machines
b) Frequencies
Two licence-free blocks of frequencies are released for wireless network
communication:
Standard Frequencies Channels
802.11a 5,15GHz-
5,725GHz
Channels:19,alloverlap-free,
inEuropamitTPCundDFSnach802.11h
802.11b/g 2,4GHz-
2,4835GHz
Channels: 11 in the USA /
13inEurope/14inJapan.
Maximum3channelsoverlap-free
With all standards the channel bandwidth is between 10 and 30 MHz.