Hacker News Board Hacker News, browsed like a classic message board
Live data from Hacker News

UniFi 5G

blog.ui.com

Post reply on HN
Print view View original

191–200 of 316 posts

Re: UniFi 5G

#191

Post by joecool1029 »

macNchz wrote: post #144
zekyl314 wrote: post #109

I was hoping this was a mini 5G cell tower that connected to the network, so you could have good 5G service inside.

Those do exist, they’re called cell signal boosters. Once upon a time, I believe, some American cell providers would give you one for free if you had bad signal at home, which mattered a lot more before phones all had wifi calling.

> Those do exist, they’re called cell signal boosters.

No, those are different. They are describing a femtocell. I still have one site with a T-Mobile one. It basically VPN’s to T-Mobile’s network core through the cable ISP, uses GPS to check its location for licensed spectrum, and then broadcasts its own LTE signal. It does not boost/repeat the signal of a nearby tower, it runs its own.

Re: UniFi 5G

#192

Post by andix »

zekyl314 wrote: post #109

I was hoping this was a mini 5G cell tower that connected to the network, so you could have good 5G service inside.

I think in the US there are even public 5G frequencies that can be used. In most of Europe you would need to buy an expensive license to do that.

Private 5G networks usually need internal eSIM cards, you can't just let public devices roam into the private 5G net.

Benefits of 5G over WiFi: much better roaming between APs, higher distances, and better congestion management if there are hundreds of devices connected to a cell.

Re: UniFi 5G

#193

Post by andix »

macNchz wrote: post #144
zekyl314 wrote: post #109

I was hoping this was a mini 5G cell tower that connected to the network, so you could have good 5G service inside.

Those do exist, they’re called cell signal boosters. Once upon a time, I believe, some American cell providers would give you one for free if you had bad signal at home, which mattered a lot more before phones all had wifi calling.

Do they work for 5G? I think just amplifying the signal (like 2g signal boosters did) would mess with a lot with all the fancy RF tricks that make 5G fast, stable, low-latency and quite low on package loss (5G has impressively low package loss on the IP layer).

For most use cases WiFi should be the better solution. VoWiFi works well for calls. Should be enough for home and office use.

Re: UniFi 5G

#194

Post by superxpro12 »

macNchz wrote: post #144
zekyl314 wrote: post #109

I was hoping this was a mini 5G cell tower that connected to the network, so you could have good 5G service inside.

Those do exist, they’re called cell signal boosters. Once upon a time, I believe, some American cell providers would give you one for free if you had bad signal at home, which mattered a lot more before phones all had wifi calling.

FWIW, MMS and SMS are still left in the dust in this situation, as I have this exact issue.

Re: UniFi 5G

#195

Post by JoshTriplett »

johncolanduoni wrote: post #36
JoshTriplett wrote: post #28

Earlier quoted context omitted.

> However, when it comes to 2.5G, I struggle to find one good reason to use it; such a tiny step-up in bandwidth, and for what? Portability and heat. You can get a small USB 2.5G adapter that produces negligible heat, but a Thunderbolt 10G adapter is large and produces a substantial amount of heat. I use 10G at home, but the adapter I throw into my laptop bag is a tiny 2.5G adapter.

I’m sure it depends on the model, but in my experience if you force a 10G copper transceiver to 2.5G the insane heat generation goes away. I don’t have any Thunderbolt 10G adapters, but I’m kind of surprised they’re much larger. A SFP+ transceiver is the same size as a SFP one.

I think a major reason for the size is for heat dissipation, because it has to be prepared to handle the heat of a full 10G copper connection. Mine runs hot.

Re: UniFi 5G

#196

Post by alt227 »

kllrnohj wrote: post #186
alt227 wrote: post #126

Earlier quoted context omitted.

Right, but do you know what radio chips they are using inside? I would guess they are chinese...

Why would you guess Chinese? Broadcom, Qualcomm, MediaTek, and Realtek are the typical answers for radio chips, no? None of whom are Chinese? There certainly are Chinese radio chips, such as from Espressif or Huawei, but they aren't especially popular in APs or anything

Most of those chips are made in TSMC or samsung foundries, the majority of which are currently in China or South Asia.

Re: UniFi 5G

#197

Post by Analemma_ »

kllrnohj wrote: post #173
happyopossum wrote: post #161

Earlier quoted context omitted.

They literally list the standalone version further down the page: * Dream Router 5G Max: The Fully Integrated UniFi Experience *

but that one isn't outdoor rated.

Why do you need the entire integrated setup to be outdoor-rated? That just adds tons of cost. If the antennas and modem need to be outside for signal strength reasons, so be it, but as much of your networking gear as possible should be indoors.

Re: UniFi 5G

#199

Post by cap11235 »

alt227 wrote: post #196
kllrnohj wrote: post #186

Earlier quoted context omitted.

Why would you guess Chinese? Broadcom, Qualcomm, MediaTek, and Realtek are the typical answers for radio chips, no? None of whom are Chinese? There certainly are Chinese radio chips, such as from Espressif or Huawei, but they aren't especially popular in APs or anything

Most of those chips are made in TSMC or samsung foundries, the majority of which are currently in China or South Asia.

Realtek windows drivers literally have taiwnese written text. They are as American as Lego

Re: UniFi 5G

#200

Post by varispeed »

I live near 5G relay and I was surprised that I could get symmetrical 1gbps connection, without any cables. Still remembering 56k modem, it feels like magic.
Post reply on HN