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AIS vs DTAC vs Truemove (True-H), technical info for IT nerds/nolifers


fdsa
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21 hours ago, fdsa said:

Mid tier: AIS

. . .

- connection is stable, does not disconnect randomly

unfortunately it appeared to be not true, today AIS was disconnecting for the whole morning:

 

$ sudo systemctl status ModemManager -l --lines 200 | tail -n 200|grep done
Oct 27 02:17:11 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 02:58:41 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 06:41:02 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 06:47:44 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 07:02:00 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 07:31:47 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 07:36:18 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 07:51:05 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 07:54:31 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 08:09:45 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 08:17:34 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 08:38:47 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 08:49:02 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 09:16:34 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 09:33:51 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 10:08:43 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 10:11:01 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done
Oct 27 10:17:37 lap ModemManager[143515]: <info>  Simple connect state (8/8): All done

 

so DTAC is the most stable mobile internet provider.

 

Edited by fdsa
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OMFG, I've just noticed that AIS drops ALL traffic to 80 port.

 

$ curl -v (my-server.com)
*   Trying (my.ser.ver.IP):80...
* TCP_NODELAY set
* connect to (my.ser.ver.IP) port 80 failed: Connection timed out
*   Trying (my.ser.ver.IP2):80...
* TCP_NODELAY set
* After 84779ms connect time, move on!
* connect to (my.ser.ver.IP2) port 80 failed: Connection timed out
* Failed to connect to (my-server.com) port 80: Connection timed out
* Closing connection 0
curl: (7) Failed to connect to (my-server.com) port 80: Connection timed out

 

ports 79/81 immediately reply with "Connection refused", as it should be, and port 80 hangs for some time and then fails with a timeout.

Of course it's not only my website - same problem with google.com and every other website. Only port 443 (https://) works for the web browsing.

 

 

And this fact moves AIS down to the shít tier, next to True-H.

 

 

Edited by fdsa
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On 10/27/2021 at 4:35 PM, fdsa said:

OMFG, I've just noticed that AIS drops ALL traffic to 80 port.

 


$ curl -v (my-server.com)
*   Trying (my.ser.ver.IP):80...
* TCP_NODELAY set
* connect to (my.ser.ver.IP) port 80 failed: Connection timed out
*   Trying (my.ser.ver.IP2):80...
* TCP_NODELAY set
* After 84779ms connect time, move on!
* connect to (my.ser.ver.IP2) port 80 failed: Connection timed out
* Failed to connect to (my-server.com) port 80: Connection timed out
* Closing connection 0
curl: (7) Failed to connect to (my-server.com) port 80: Connection timed out

 

ports 79/81 immediately reply with "Connection refused", as it should be, and port 80 hangs for some time and then fails with a timeout.

Of course it's not only my website - same problem with google.com and every other website. Only port 443 (https://) works for the web browsing.

 

 

And this fact moves AIS down to the shít tier, next to True-H.

 

Update:  today port 80 works well, possibly such limitation is set up on selected IP subnets only, so if you experience the same issue - reboot your modem to get a new IP address. Works for me on subnet: 182.232.46.0/24 (182.232.44.0/22?)

 

Concerning the random disconnects: AIS does randomly disconnect but much rarely than True-H (still more often than DTAC) - from 0 to few times per day, while Truemove guaranteed to disconnect at least twice daily, and up to a dozen of times. Usually Truemove disconnects at the night time, I believe their billing system does that to calculate the used traffic.

 

Also for statistics: I don't see any HTML injections into the plain HTTP traffic.

 

Edited by fdsa
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  • 2 weeks later...
On 11/2/2021 at 11:35 AM, fdsa said:

 

Update:  today port 80 works well, possibly such limitation is set up on selected IP subnets only, so if you experience the same issue - reboot your modem to get a new IP address. Works for me on subnet: 182.232.46.0/24 (182.232.44.0/22?)

 

Concerning the random disconnects: AIS does randomly disconnect but much rarely than True-H (still more often than DTAC) - from 0 to few times per day, while Truemove guaranteed to disconnect at least twice daily, and up to a dozen of times. Usually Truemove disconnects at the night time, I believe their billing system does that to calculate the used traffic.

 

Also for statistics: I don't see any HTML injections into the plain HTTP traffic.

 

Yet another update:

Yesterday port 80 (plain HTTP) did not work on subnet 182.232.18.0/24 (182.232.16.0/22?) with all websites I tried, but today I still have the same IP address and port 80 works well with all websites, so this blocking seems to be random.

 

Concerning the random disconnects: sometimes I have no disconnects for several days in a row, and few days ago I had ~20 disconnects in 1 day. Still much better than TRUE-H.

 

And for statistics: still no HTML injections into the plain HTTP traffic.

 

So, to sum up: DTAC is definitely the best mobile provider, Truemove "TRUE-H" is definitely the worst, and AIS is "somewhat ok".

 

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  • 4 weeks later...

Hi @fdsa, even as someone who used to work in IT support, most of this goes over my head 😅

 

However can you advise; I'm looking at getting a 4G router from Aliexpress.  I found suppliers in Thailand only seem to sell old Cat4 models with crappy 11n wi-if.

 

For not much more I can get a Cat19 Huawei B818 from China.  I just want to make sure it'll work in Thailand.

 

Do you know what 4G frequency bands are used here (B1/3/5/7/8 etc)?

 

Cheers. 

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1 hour ago, ed79 said:

Hi @fdsa, even as someone who used to work in IT support, most of this goes over my head 😅

 

However can you advise; I'm looking at getting a 4G router from Aliexpress.  I found suppliers in Thailand only seem to sell old Cat4 models with crappy 11n wi-if.

 

For not much more I can get a Cat19 Huawei B818 from China.  I just want to make sure it'll work in Thailand.

 

Do you know what 4G frequency bands are used here (B1/3/5/7/8 etc)?

 

Cheers. 

AIS:

3G UMTS Frequency Bands

B1 (2100 MHz)

B5 (850 MHz)

4G LTE Frequency Bands

B1 (2100 MHz)

B3 (1800 MHz)

B28 (700 MHz)

B40 (2300 MHz)

5G NR Frequency Bands

n28 (700 MHz)

 

DTAC:

3G UMTS Frequency Bands

B1 (2100 MHz)

B5 (850 MHz)

4G LTE Frequency Bands

B1 (2100 MHz)

B3 (1800 MHz)

B28 (700 MHz)

B40 (2300 MHz)

5G NR Frequency Bands

n28 (700 MHz)

 

Truemove H

3G UMTS Frequency Bands

B1 (2100 MHz)

B5 (850 MHz)

4G LTE Frequency Bands

B1 (2100 MHz)

B3 (1800 MHz)

B8 (900 MHz)

B41 (2500 MHz)

5G NR Frequency Bands

n28 (700 MHz)

n41 (2500 MHz)

 

 

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9 hours ago, ed79 said:

For not much more I can get a Cat19 Huawei B818 from China.  I just want to make sure it'll work in Thailand.

There are many different models of the same router, which support different network bands. Look for the model intended for Australia, it should work well in Thailand too.

For your device - B818-260 or B818-263 should work:

B818-260 - has USB port (easier to flash firmware), bands 1/2/3/4/5/7/8/20/26/28/32/38/40/41/42/43/66

B818-263 - does not have USB(will be harder to flash), bands 1/3/5/7/8/20/28/32/38/40/41/42/43

 

Btw it seems to be Cat12, not Cat19.

 

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What about fixed internet connectivity? Truemove had transparent proxy before, I bet they still do. 3BB has MITM proxy for port 80 for State enforced blocking of websites, but 443 / HTTPS was fine.

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7 hours ago, fdsa said:

There are many different models of the same router, which support different network bands. Look for the model intended for Australia, it should work well in Thailand too.

For your device - B818-260 or B818-263 should work:

B818-260 - has USB port (easier to flash firmware), bands 1/2/3/4/5/7/8/20/26/28/32/38/40/41/42/43/66

B818-263 - does not have USB(will be harder to flash), bands 1/3/5/7/8/20/28/32/38/40/41/42/43

 

Btw it seems to be Cat12, not Cat19.

 

Thanks I was looking at either B818 (which I think is Cat19) or B628 which is Cat 12.  There's only about £10 difference between them and both a lot cheaper than  in UK whihc is a bonus!

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1 hour ago, muratremix said:

What about fixed internet connectivity? Truemove had transparent proxy before, I bet they still do. 3BB has MITM proxy for port 80 for State enforced blocking of websites, but 443 / HTTPS was fine.

That was definitely my first choice, but I'm kind of struggling with the language barrier finding out what's involved. 

 

The condo I'm renting despite it being built about 6 years ago hasn't had fibre installed.  So I think it'd need cable run and holes drilled in the wall etc?

 

The building has free shared wi-fi which is actually fine (at least while there's not many people living here).   Obviously I'd prefer my own unlimited fibre for 600 baht a month, but if there's another 6,000 baht installation fee on top I'm not so keen as I'll probably only be here for another 10 months.

 

 

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  • 7 months later...
Posted (edited)

Fun fact: AIS "1 year SIM" lasts for 9 months :biggrin:

I've activated my SIM on 15th Oct 2021, and today 30th Jul 2022 I've got these two SMSs:

 

AIS
Your full speed Internet has 200MB remaining. After used up, get unlimited usage at reduced speed based on your package. To subscribe package, http://www.ais.co.th/netpackage/5g/
AIS
Your internet usages have been used up. To continue 5G max speed internet, just 99B. 4GB 7days or 150B. 9GB 15days, click http://www.ais.co.th/netpackage/5g/
 

 

ok nvm, gone shopping for yet another DTAC SIM.

 

 

 

// EDIT to clarify: I have "unlimited traffic" SIM, not "unlimited speed" one. And today my speed dropped down to ~100 kbps from tariff's 10 mbps.

Edited by fdsa
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On 12/12/2021 at 6:01 PM, Bruno123 said:

AIS:

3G UMTS Frequency Bands

B1 (2100 MHz)

B5 (850 MHz)

4G LTE Frequency Bands

B1 (2100 MHz)

B3 (1800 MHz)

B28 (700 MHz)

B40 (2300 MHz)

5G NR Frequency Bands

n28 (700 MHz)

These have been changed because this is what I'm getting from my modem right now:

 

AT!ACQCHAN?


4G ACQ DB
Channel MCC MNC PCID Band  RB
 1450   520  03  74    3  100
 3650   520  03 222    8   50
40590   520  03 349   41  100
  250   520  04 228    1   50
 1275   520  04 119    3   75
  350   520  03  84    1   50
  550   520  15  63    1   50
 8715   520  09 359   26   25
 3750   520  04 111    8   50
40988   520  04 380   41  100

- there are bands 26 and 41 but no bands 28 and 40.

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56 minutes ago, fdsa said:

These have been changed because this is what I'm getting from my modem right now:

 

AT!ACQCHAN?


4G ACQ DB
Channel MCC MNC PCID Band  RB
 1450   520  03  74    3  100
 3650   520  03 222    8   50
40590   520  03 349   41  100
  250   520  04 228    1   50
 1275   520  04 119    3   75
  350   520  03  84    1   50
  550   520  15  63    1   50
 8715   520  09 359   26   25
 3750   520  04 111    8   50
40988   520  04 380   41  100

- there are bands 26 and 41 but no bands 28 and 40.

AIS: 

4G LTE Frequency Bands

B1 (2100 MHz)

B3 (1800 MHz)

B8 (900 MHz)

B41 (2500 MHz)

 

I don't know who is using LTE Band 26.

 

Truemove H and AIS are using Band 41. 

 

No DTAC on your list. Surprising, since you recommend utilising them.

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1 hour ago, Bruno123 said:

AIS: 

4G LTE Frequency Bands

B1 (2100 MHz)

B3 (1800 MHz)

B8 (900 MHz)

B41 (2500 MHz)

 

I don't know who is using LTE Band 26.

 

Truemove H and AIS are using Band 41. 

 

No DTAC on your list. Surprising, since you recommend utilising them.

my bad, I didn't notice the MNCs are different and thought that all of them are AIS.

 

So AIS (MNC 03) indeed uses bands 1,3,8,41; and I haven't found who uses band 26 (MNC 09) with short googling.

 

No idea why there is no DTAC because I have DTAC SIM in my phone lying next to the laptop which has AIS SIM, and the phone has good LTE signal and working internet connection.

 

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3 hours ago, fdsa said:

Fun fact: AIS "1 year SIM" lasts for 9 months :biggrin:

I've activated my SIM on 15th Oct 2021

yep, the "unlimited" SIM is valid until 15 Oct 2022 but magically got used up on 30th of July

 

lol.png.692e43ca6abf901d8aaa035a9fa095d5.png

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3 hours ago, fdsa said:

Fun fact: AIS "1 year SIM" lasts for 9 months :biggrin:

I've activated my SIM on 15th Oct 2021, and today 30th Jul 2022 I've got these two SMSs:

 

AIS
Your full speed Internet has 200MB remaining. After used up, get unlimited usage at reduced speed based on your package. To subscribe package, http://www.ais.co.th/netpackage/5g/
AIS
Your internet usages have been used up. To continue 5G max speed internet, just 99B. 4GB 7days or 150B. 9GB 15days, click http://www.ais.co.th/netpackage/5g/
 

 

ok nvm, gone shopping for yet another DTAC SIM.

 

 

 

// EDIT to clarify: I have "unlimited traffic" SIM, not "unlimited speed" one. And today my speed dropped down to ~100 kbps from tariff's 10 mbps.

 

 

So this post was a mistake? You are just describing the AIS Marathon SIM after you have utilised the 100 GB allowance for the month.

 

You can get a new AIS SIM and apply an Unlimited 8 Mbps pack to it for 150 baht per month, comparable in price to the Marathon pack.

Though obviously you still have a few months to go on the Marathon pack, if that is what you have.

 

DTAC currently have 15 & 30 Mbps annual SIMs from 1400 and 1700 respectively.

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On 12/12/2021 at 6:01 PM, Bruno123 said:

 

 

Bruno, what was your info source/sources for your post back in  December listing the various LTE and 5G bands of the three major mobile providers?

 

I noticed you listed only 5G 700 Mhz as the sole 5G spectrum for both DTAC and AIS... I thought one or both of them also were using some other bands for 5G?

 

647435447_(2022)Thailand5Gspectrums-700Mhz2600Mhz26Ghz8.jpg.f5d4ad7cdde7c6a293f638df8b2693fc.jpg

https://www.gsma.com/membership/resources/dtac-and-true-merger-talks-point-to-a-need-to-address-unequal-footing-in-thailands-5g/

 

"In February 2020, NBTC assigned spectrum for 5G use across low (700 MHz), mid (2,600 MHz), and high (26 GHz) frequency bands."

 

"AIS launched 5G NSA (non-standalone) in February 2020 using the 700 MHz, 2.6 GHz and 26 GHz bands, followed by 5G SA in July 2020 in cooperation with Huawei. AIS deployed 5G CA (New Radio Carrier Aggregation) by integrating its mid-band (2600 MHz) and low band (700 MHz) spectrum."

 

"AIS and TrueMove H deployed their initial 5G networks on the 2600 MHz spectrum, while dtac used frequencies in the 26 GHz band."

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29 minutes ago, fdsa said:

yep, the "unlimited" SIM is valid until 15 Oct 2022 but magically got used up on 30th of July

 

lol.png.692e43ca6abf901d8aaa035a9fa095d5.png

What do you see(SMS) when you use this USSD code? *121*32#  

Edited by Bruno123
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5 minutes ago, TallGuyJohninBKK said:

 

Bruno, what was your info source/sources for your post back in  December listing the various LTE and 5G bands of the three major mobile providers?

 

I noticed you listed only 5G 700 Mhz as the sole 5G spectrum for both DTAC and AIS... I thought one or both of them also were using some other bands for 5G?

 

647435447_(2022)Thailand5Gspectrums-700Mhz2600Mhz26Ghz8.jpg.f5d4ad7cdde7c6a293f638df8b2693fc.jpg

https://www.gsma.com/membership/resources/dtac-and-true-merger-talks-point-to-a-need-to-address-unequal-footing-in-thailands-5g/

 

"In February 2020, NBTC assigned spectrum for 5G use across low (700 MHz), mid (2,600 MHz), and high (26 GHz) frequency bands."

 

"AIS launched 5G NSA (non-standalone) in February 2020 using the 700 MHz, 2.6 GHz and 26 GHz bands, followed by 5G SA in July 2020 in cooperation with Huawei. AIS deployed 5G CA (New Radio Carrier Aggregation) by integrating its mid-band (2600 MHz) and low band (700 MHz) spectrum."

 

"AIS and TrueMove H deployed their initial 5G networks on the 2600 MHz spectrum, while dtac used frequencies in the 26 GHz band."

Currently:

 

AIS:

 

5G NR Frequency Bands

n28 (700 MHz)

n41 (2500 MHz)

n258 (26 GHz)

 

DTAC:

 

5G NR Frequency Bands

n28 (700 MHz)

 

Truemove H:

 

5G NR Frequency Bands

n28 (700 MHz)

n41 (2500 MHz)

 

DTAC use of 26 GHz was not for general public consumption.

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Posted (edited)
8 hours ago, Bruno123 said:

So this post was a mistake? You are just describing the AIS Marathon SIM after you have utilised the 100 GB allowance for the month.

not a mistake - I've purchased that SIM in October 2021, and activated it on 15th of October.

The tariff is limited speed (10 mbps) with unlimited traffic.

...or the "unlimited traffic" SIMs from AIS are not actually unlimited?

 

  

8 hours ago, Bruno123 said:

What do you see(SMS) when you use this USSD code? *121*32#  

Well, you are right -

 

Quote

Your Net at speed 10Mbps 100GB Free call other 60mins has remaining usage ofInternet 0KB. After used up, continue internet usage at reduced speed based on your package;Free voice callExpire 15/08/22.

- the "unlimited" SIM from AIS appeared to have a 100 GB traffic limit 😞

 

Edited by fdsa
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11 hours ago, fdsa said:

not a mistake - I've purchased that SIM in October 2021, and activated it on 15th of October.

The tariff is limited speed (10 mbps) with unlimited traffic.

...or the "unlimited traffic" SIMs from AIS are not actually unlimited?

 

  

Well, you are right -

 

- the "unlimited" SIM from AIS appeared to have a 100 GB traffic limit 😞

 

They weren't selling annual unlimited 10 Mbps SIM at that time last year. Their last annual offer was unlimited 8 Mbps. So it was either that or the Marathon SIM you had.

Marathon SIM it is.

 

 

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