Forum Discussion
Slow Home Internet
I've been using the home internet service since the beginning of March. It had been working really well, with me getting speeds between 25-100 mbps, which I've been super happy with since I'm in a rural area and it's hard to find internet that works here. However, since the beginning of June, my speeds have been around very inconsistent, but around 1mbps more often than not. Previously when my speeds were that slow, a simple restart would fix it. But I have rebooted/restarted the device many, many times, as well as tried doing a factory reset a couple times. Sometimes these things help..for a short period of time. Most of the time they don't change anything. Sometimes, after rebooting/restarting, my speeds will go back to 10-25 mbps for anywhere from a minute to a few days, but will then revert back to around 1 mbps. I've also moved the device around my house to see if I got a better signal elsewhere, which also did not help. I thought my device was overheating, so I've been using a fan to cool it, which hasn't seemed to change anything either. I contacted T-Mobile support when I first started having issues, but they just sent me the gateway troubleshooting guide with everything I have already tried, so I don't have a lot of faith in them being able to help me if I contact them again. Does anyone have any idea why this is happening or know of anything else I can try? I'm just getting frustrated at this point, but don't have a lot of internet options where I live so I want to make this work if I can. Thanks in advance.
- iTinkeralotBandwidth Buff
With the secondary at -95 dBm it appears to have your RF in the "Mid Cell" for the signal. The primary is a bit of a weak signal but at least the secondary n71 is good. You might still try rotating the orientation of the router to influence the signal wash over the 5G antennas. I found the antenna orientation is an alternating pattern of the WIFI and 5G antennas. From the back side the 5G-1 is at 5 o'clock, 5G-2 is at 2 o'clock etc and the WIFI-1 is right at the back along with the LAN ports etc and WIFI-2 is at 3 o'clock along with the GPS and BT. WIFI-4 is at the front with 5G-2 at 2 o'clock. I discovered I could rotate the router to point the 5G-4 antenna at 7 o'clock toward the tower and improve the signal by several dBm. It is worth a little experimentation. See if you can get the coordinates of the towers where your signals originate. It will help you improve the placement possibly. Hopefully T-Mobile support has shared the actual location of the towers with you as it really does help to know. I am 5.3 miles line of sight of the tower that sends the 5G signal and I obtain speeds up to 153 Mb down and ~50 Mb up at times. It is more common to see 120 Mb down and 25-30 up but that is still not bad. Until I started really tinkering with placement I did not get the signals optimized. It also really helps if T-Mobile is not working on the tower equipment. For me that did account for some of the disruptions. You sound like you are aware of the signal values but here is a handy table I found that you might find useful to have about.
- djb14336Bandwidth Buddy
Looks like they have been tweaking in my market again (Florence, SC… routed to the Charlotte, NC hub).
band 2 hasn't showed up in use at all tonight. Strictly been band 66, and it has been teetering right on the edge of good/excellent on the metrics where it used to sit squarely in good, occasionally dipping to fair on quality.
b66 has always been the one it fell back to when b2 would get overloaded. Throughput was always lower because of the weaker quality metrics, BUT... latency was always better when it was in play. But tonight it has been keeping my CQI in the better half, so it has been landing 80-120 depending where I was pulling from--even in the middle of an ugly thunderstorm!
Hopefully this is a sign of better things to come in our market!
- ToolmanNetwork Novice
iTinkeralot wrote:
With the secondary at -95 dBm it appears to have your RF in the "Mid Cell" for the signal. The primary is a bit of a weak signal but at least the secondary n71 is good. You might still try rotating the orientation of the router to influence the signal wash over the 5G antennas. I found the antenna orientation is an alternating pattern of the WIFI and 5G antennas. From the back side the 5G-1 is at 5 o'clock, 5G-2 is at 2 o'clock etc and the WIFI-1 is right at the back along with the LAN ports etc and WIFI-2 is at 3 o'clock along with the GPS and BT. WIFI-4 is at the front with 5G-2 at 2 o'clock. I discovered I could rotate the router to point the 5G-4 antenna at 7 o'clock toward the tower and improve the signal by several dBm. It is worth a little experimentation. See if you can get the coordinates of the towers where your signals originate. It will help you improve the placement possibly. Hopefully T-Mobile support has shared the actual location of the towers with you as it really does help to know. I am 5.3 miles line of sight of the tower that sends the 5G signal and I obtain speeds up to 153 Mb down and ~50 Mb up at times. It is more common to see 120 Mb down and 25-30 up but that is still not bad. Until I started really tinkering with placement I did not get the signals optimized. It also really helps if T-Mobile is not working on the tower equipment. For me that did account for some of the disruptions. You sound like you are aware of the signal values but here is a handy table I found that you might find useful to have about.
Thank you for your reply.
Sorry for the poor discription of my issue. I was a bit concerned I may have run to many details together clouding what I was trying to convey. My issue is with the replacement gateway I received about 4 weeks ago. The secondary (5G) signal is weak. What I currently have right now is:
Primary (B66): RSRP: -106 dBm, SNR: 13 dB, RSRQ: -11 dB.
Secondary (n71): RSRP: -112 dBm, SNR: -1 dB, RSRQ: -14.
I have rotated the gateway a full 360 degrees looking for the best signal strength as well as the best quality. I've tried to favor SNR and RSRQ over RSRP. What I posted above is the best I can find. Oddly, I get the same reading with the front of the Can at 0 degrees facing the tower and at 90 degrees (3 o'clock) to the tower.
As I stated, this is a replacement gateway. The first gateway had better secondary signal performance (-95 dBm). The 5G signal (n71) is a 600 MHz signal and I would think should perform better (penetration and range) than what I'm seeing with this replacement gateway.
I can't get a good 5G signal regardless of where I go in the house and how I rotate the Can. As a result, the speeds have dropped off significantly. And, to make it even more frustrating, occationally the speeds will come back up to close to what I had back in May, June, and then drop back down again. And then there is the occational signal drop, sometimes the secondary, other times both requiring a reboot to re-establish a connection.
This is why I’m thinking I may have a faulty gateway that is not performing as it should.
- djb14336Bandwidth Buddy
may be getting hots pots inside the unit? From the disassembly videos I've seen, it doesn't really have decent ventilation.
There have been a lot of reports of people stabilizing the Nokias by rigging up a fan that can push/pull air up/down through the unit. Some sit it on a fan, some put a fan on top… have even heard of people doing both.
- iTinkeralotBandwidth Buff
Hum… sounds as if there are significant obstructions for the signal delivery to the router from the tower. I agree that the penetration and range 600 MHz signal should have a pretty solid range out to ~10 miles without obstructions and line of sight. With the RSRQ on the secondary signal at -14 the signal quality is degraded. There could be significant obstructions for the signal delivery to the router. I considered a MIMO external antenna to boost the signal reception here and reduce the limitations of the router placement. Being 5.3 miles from the 5G tower puts us in the mid range but that is not bad here. The design of the "can" style router may not be good for some solutions. If you have a 5G phone when the router drops the n71 channel check and see if the phone sees 5G or not. When calling T-Mobile support I discovered they had other complaints that related to that tower. They did work on the equipment on the tower and the signal drops have not been a major issue since. I did suspect this router or the software upgrade that it took but after the work on the tower equipment operations improved back to the 5 month period prior to the month of chaos. I investigated the possibility of heat related influence and even put the router outside on a day when it was 88 degrees and it did not have any issue or have any over temp alarms. If it does have temperature problems it should provide the alarm when the LED menu panel on top of the router is used. Unfortunately the software interface via the web has no temperature reporting.
If you are interested go to waveform.com and to their hotspot guides and check out the "T-Mobile High Speed 5G Internet Gateway External Antenna Guide" According to waveform improving signal quality is the best way to improve data rates. If the signal is cleaned up the data rates should improve as there would be fewer retransmissions due to packet damage. Their guide is fairly informative and is worth the time to read. They provide free shipping for orders over $100 and "Easy Returns" with satisfaction guaranteed. I have not confirmed all that but I have been considering the external MIMO antenna as placement of the router in the bathroom window on the NE corner of the house is not very convenient plus the moisture would probably not be good for the router either. Sending the WIFI signal across the length of the house also makes it a less attractive solution. I am thinking the external antenna is a better option for me as the 802.11ax from the Nokia router is actually working fairly well. The choke point will always be the signal to the tower.
- liawriterNetwork Novice
none of these solutions was very helpful, and tech support is not very helpful either. I wanted to know if I could A) use a wifi extender to improve signal and was hoping someone here who has same issues might have tried it, or 😎 can I buy/use my own router/modem that would work better? I have no tolerance for internet that goes in and out and can't call tech support and be on the phone for hours, when they say they can "fix it" no worries, and then next day it doesn't work again! The most confusing part is I have an "excellent" signal, but no wifi connection or slow internet speeds (like below 10 20) more often than not! Calls either drop or they can't hear me. On a speed test, it allows me to pick a closer tower, but it doesn't let me keep it at that or automatically go to that one all the time! Every time I have to reset the gateway, I have to add ALL my devices which are all time consuming steps (ie. my nest, security camera, smart lights, etc.) and I just don't have the time or patience for that!
If it's not going to work in my area yet, then they need to admit that and I can go back to my previous service, though that was more expensive and not 100% either, but at least more consistent and didn't require me to physically do all the work! They said they still don't have a tech that could come to the house because of covid, even though I live in Florida and everyone is "open" here, some take precautions like wearing masks when they come, but not that there is "no one available" to help me! I'm willing to pay someone, but don't even know who to ask for? This is just unacceptable!
- tomwilBandwidth Buff
liawriter wrote:
Every time I have to reset the gateway, I have to add ALL my devices which are all time consuming steps (ie. my nest, security camera, smart lights, etc.) and I just don’t have the time or patience for that!
Can’t you just do a reboot, rather than a factory reset?
That way, you don’t lose your configuration.
- iTinkeralotBandwidth Buff
With the inconsistent numbers between the two routers I would question if either router is 100%
“I wanted to know if I could A) use a wifi extender to improve signal and was hoping someone here who has same issues might have tried it, or 😎 can I buy/use my own router/modem that would work better?”
A wifi extender is not going to help with the cellular signal. It will only help if the area you need to cover in your home is too large for the coverage by the Nokia wifi radios.
The key is to get a solid cellular signal. If you do not know 100% where the cellular tower is then that is a good place to start. Confirm with T-Mobile where the tower is in relation to where your router is. They should be able to provide coordinates for the tower. The PCI for the tower would be helpful as you can confirm it is recorded in the tower data on cellmapper.net. What I found is that the PCI for the 5G NR signal was not on record in our area as a 5G tower location but the 4G LTE PCI information was available and the cell was pretty easy to identify. Data on tower locations with cellmapper.net is roughly 70-80% complete. It does contain significant data on 4G LTE towers. The data for the 5G NR equipment may or may not be updated in some locations.
Once you know 100% where the tower is, what 5G NR band(s) T-Mobile are sending and how far out you are from that source then you can dial things in possibly. If you are out on the cell edge it might just be an exercise in futility. The reason I made the reference to the external antennas is that this can be one possible avenue to improve things. Of course if the Nokia routers you have are not solid then no external antenna can do much to help.
To my knowledge T-Mobile does NOT support third party routers. I have seen nothing to suggest they will support the T-Mobile SIM loaded into another vendor router. Maybe someone has done it but I don't believe T-Mobile would offer any support on a non-Nokia router. In Florida you don't have large ridges and mountains as we do here so buildings could be a factor or distance to the tower. Find out how far you are from the tower and what the 5G NR bands used are then you can determine if you are within reach of the signal with a good chance to hold it.
- iTinkeralotBandwidth Buff
The 4G LTE signals, in theory, can cover many miles but as you get farther away from the tower the speed drops off. The 5G NR channels can reach out but the n41 does not reach out as far as the n71 signals as the wave lengths are not the same. The n41 is a higher frequency than the n71 and the n41 does not have the penetration that the longer n71 has.
You provided this as signal data:
Primary (B66): RSRP: -106 dBm, SNR: 13 dB, RSRQ: -11 dB.
Secondary (n71): RSRP: -112 dBm, SNR: -1 dB, RSRQ: -14.
So, we know it is a n71 5G NR signal on the secondary and 4G LTE on the primary signaling. We can also tell the signal strength on either is NOT stellar. If the SNR on the n71 is as stated that is very poor signal to noise ratio. The combination of barely fair signal and poor SNR does not fare well. It is not promising. If the tower is line of sight and no obstructions an external antenna could help some but I am not sure if it would be sufficient to compensate for the weak signals. It looks to me as if the tower is just too far away for a solid signal. Tower location and distance to the tower is important.
- Adam8Network Novice
The web interface (192.168.12.1) appears to have changed and I no longer shows the Cell signal metrics. Why??
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