Brick walls have to be unrealistically thick to be useful . Other materials, such as windows and drywall, are essentially fully transparent to radio waves. Reinforcing a concrete wall with steel rebar did not really improve the shielding, at least at the standard grid sizes.
Read moreDoes weather affect VHF?
In line-of-sight communication airborne elements such as rain, fog and snow can all affect communication quality. Of these weather conditions, rain has the greatest effect on VHF data transmission .
Read moreHow do I increase my VHF range?
How can I expand the range?
Read moreWhat factor affects the effectiveness of VHF communication?
A longer wavelength , which corresponds to a lower frequency, as a general rule lets a radio signal travel a greater distance. Lower frequencies or longer wavelengths also have greater penetrating power.10 Eki 2016
Read moreWhat 5 factors that could affect the range of radio equipment?
Key Points. The key factors affecting communication range are: antenna, obstructions, signal strength (wattage), and signal type .
Read moreWhich is better VHF or UHF radios?
VHF radios are suited for long distances in and outdoor use. UHF radios operate at a higher frequency . This makes them ideal for wireless communications that need to penetrate through buildings, walls, or concrete. UHF radios are suited for indoor communication solutions, where obstacles are easily penetrable.
Read moreWhat radio has the longest range?
1. Motorola T470 2-Way Radios . The T470 is a powerful option from Motorola; it boasts an up to a 35-mile range, and it has 22 channels and 121 privacy codes to more easily stay in touch with your party. The channels include FRS and GMRS.
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