On 4/3/2022 9:52 PM, mike wrote:
> Friend uses an RV where campgrounds have varying degrees of wi-fi and
> cellular signal depending on the campsite chosen.
>
> He asked me for advice where I would like to ask GENERAL questions of you.
>
> The first is for cellular which is whether they sell a cellular repeater
> for
> use not at a home but in an RV that moves to different places?
> I suspect not, so then the rest of the questions are related to wi-fi.
> For distance, is it true that 2.5GHz travels farther (assuming
> obstructions)
> than does 5GHz? Noise shouldn't be a problem in a campground but distance
> is.
>
> The power supply can be the batteries of the RV or 120VAC at the
> campground.
> The laptop has an ethernet port on the side. And he has an old router too.
>
> But his main problem is amplifying weak signal which most of the time he
> says exists at the check-in desk but it's too low to be useful (phone calls
> or wifi) at the camping spot.
>
> When I looked for radio/antenna setups the first I found was these.
> https://www.radiolabs.com/wireless/rv-marine-wifi-antennas/wifi-rv-marine-antenna-captifi-ultra/
>
>
> But then I found this at streakwave which is more cost effective.
> https://www.streakwave.com/ubiquiti-networks-pbe-m5-300-us-5ghz-powerbeam-m5-22dbi-300mm-us
>
> https://www.streakwave.com/ubiquiti-networks-pbe-m2-400-us-2-4ghz-powerbeam-m2-18dbi-400mm-us
>
>
> The questions I have about those $80 setups is what's the difference to him
> of a 400 mm horn versus a 300 mm long horn (100 mm does what?).
>
> And given he doesn't know whether they'll have 2.4 or 5GHz, do they make a
> powerbeam or bullet or rocket that is both 2.5GHz and 5GHz at the same
> time?
>
> In the end, for around a hundred bucks, what would you recommend for an RV?

I met a guy early in the days of WiFi that taped a USB Wifi device to a
Dish TV antenna dish at the focal point to make a very directional WiFi
connection. If I had such a need I would probably do some such
experimenting.