In one of the wireless data acquisition installations, there is no data transfer during rain and mist. The wireless...
By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time. Contact TechTarget at 275 Grove Street, Newton, MA.
system works in 2.4 GHz frequency. What could be the cause of this?
Anything encountered between a wireless transmitter and receiver can reduce signal strength through attenuation. This not only includes solid objects like walls and doors, but "liquid objects" like rain and mist.
According to the CWNA Study Guide, 2.4 GHz signals may be attenuated by up to 0.05 dB/km by torrential rain or 0.02 dB/km by thick fog. 5 GHz signals may be attenuated by up to 0.5 dB/km by torrential rain or 0.07 dB/km by thick fog. Rain can also reduce signal strength through water accumulation on other objects (trees, leaves, absorbent walls) which serves to increase their attenuation.
Another (potentially much larger) impact of rain/fog is the adverse effect of moisture on cables and connectors not sufficiently protected against exposure.
Note that this answer assumes that you're talking about wireless transfer between outdoor devices, where the rain actually falls in between transmitter and receiver. Indoor signal strength may not be noticeably affected by rain outside.
Dig Deeper on Troubleshooting Wireless Networks
Related Q&A from Lisa Phifer
Need to send an email, check your flight's status or get ready for a presentation? You can do it all on your smartwatch, thanks to a slew of Apple ...continue reading
New and improved management features have made Android devices more suitable for enterprise use, and API and EMM tools can streamline the device ...continue reading
Whether you need a basic open source mobile device management tool for your company's Apple or Android devices, or something more customized, you ...continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.