It's strange. When we use T-Mo on an andriod device the ping times are 30-40 ms. When we try with the modem + raritn console box it jumps to min of 100+ ms (the modem is high up on top of the rack and we test with the phones we are on the floor) - Can 5 feet higher make it that much worse?
On Fri, Dec 28, 2018 at 7:23 AM Brandon Martin <lists.na...@monmotha.net> wrote: > On 12/28/18 7:06 AM, Dovid Bender wrote: > > Hi All, > > > > I finally got around to setting up a cellular backup device in our new > > POP. I am currently testing with T-Mobile where the cell signal strength > > is at 80%. The connection is 4G. When SSH'ing in remotely the connection > > seems rather slow. Ping times seem to be all over the place (for > > instance now I am seeing: rtt min/avg/max/mdev = > > 174.142/336.792/555.574/99.599 ms) . Is that just cellular or is that > > more related to the provider and the location where I am? I could in > > theory test with VZ and ATT as well. With Verizon they charge $500.00 > > just to get a public IP and I want to avoid that if possible. > > > > Thanks and sorry in advance if this is off topic. > > LTE with a good connection on a lightly loaded cell should be > significantly less than that in both absolute terms as well as jitter. > > I used LTE (Sprint) for a couple years as my primary connectivity when I > moved out into an area with zero connectivity (fixing that now). I > typically saw ~30-40ms to Chicago, which is the nearest major carrier > PoP. Jitter was typically less than 10ms. VoIP was usable. Others in > the area on other carriers have reported similar. > > Sprint gave me a public IP with no up front charges but did charge $5/mo > for it. > > As you're probably aware, the "signal strength" ("bars") indicators that > are presented to the consumer-facing interfaces are often very cooked. > Depending on which RSSI you're looking at, a "very good" signal is > probably in the realm of -70dBm to -110dBm (note that there are two RSSI > metrics commonly used with LTE, and they tend to differ by ~20dB). > > -- > Brandon Martin >