No lah, bad because it causes a lot of interference with other people's wifi and your own too. It's not just wifi, cheaper/older cordless phones, microwave ovens, wireless mouse, bluetooth all using the same 2.4Ghz band. Next time try this, do a Speedtest while standing next to your microwave and you'll see immediate drop in speed when the magnetron is on.

5Ghz: I set to auto for now since the spectrum is much larger.

Amen indeed!

Forgot about stability, yes very true, 20Mhz more stable, less wifi disconnections. I just use Auto or 40/80 for 5GHz at the moment. The only time I need really high speeds is when doing stuff over my LAN. That's where the 5GHz really shines. Also another thing about 5GHz is that it's easily blocked or reduced (attenuated) by a wall so it doesn't affect other people that much.

Just do whatever's best for you. If not much interference in your place then, definitely, you'll get better speeds with 40MHz.

What kind of speed difference do you get with 2.4GHz 20Mhz and 40Mhz?

This post has been edited by soonwai: Nov 29 2017, 07:39 PM

S3 = Samsung Galaxy S3? If it is, let me try here. Just happen to have one in my drawer, charging now.

But that ping?!? High ping usually indicates interference but that shouldn't be at 5GHz. What wifi router?


iPhone 6s 5GHz AC & DIR-868L

Model of the router? Your location and the location of the Speedtest server? 60+ is really high unless you're physically far away from the server.

This post has been edited by soonwai: Nov 30 2017, 12:31 AM

Just did a quick test with my Samsung S3. Same DIR-868L AP as my previous tests. The Samsung is single chain so max theoretical speed is 72 mbps.


Samsung S3 2.4GHz N 20MHz Channel Width (Link speed: 72mbps)

Is your wifi router mode set to 802.11N ?

What device? That also makes a difference.

iPhone 6s. AP: DIR-868L


2.4GHz N 20MHz channel width (Link: 144 mbps)


5 GHz AC (Link: 702 mbps)

Samsung S3

2.4GHz N 20MHz Channel Width (Link speed: 72mbps)


This post has been edited by soonwai: Dec 1 2017, 02:35 PM

Fine here but what router? wifi DC or the internet DC?

Maybe interference, can't do much about that.

This is my DIR-615, the white-orange one.

WiFi router: DLink DIR-615 (2.4Ghz power set to 12.5%)


iPhone 6s 2.4Ghz N 20MHz Channel Width


MacBook Pro Retina 13" with Cliptec 100mbps Ethernet USB adaptor

No idea, never heard of or used that one before but if DIR-615 can almost reach 100mbps, I think the DIR-650L also can.

Has your speed been upgraded yet?

If you just renewed contract then can because 1-yr warranty also renewed.

The one that they gave me and immediately took away was a TP-Link "Coffeemaker" C1200.

Oh no, not at all. It's nicknamed as such because when it reboots, it gives you just enough time to make a cup of Nescafe.

Unifi still giving out public IPv4s and their IPv6 also more or less work alright.

Yeah, the latest firmware helps a lot, I think it reduces the boot time from 5 to 3.5 mins. But to be fair, it's OK after it's up and running. I should be getting one soon so will do more tests with it. So far I've only been using the C1200 at one of the local coffee shops.

Just wait for the bill to come out and then call them if necessary. I had my mine upgraded last week one day before my billing date. The next day I saw that the amount due was RM256.35 when it should have been closer to RM200.34. Gave them a call and they confirmed that I'm short a discount of RM50. Report was made and 3 days later it was adjusted to RM192.75. Less than I expected, not sure why.

Finally my installation is done. (After Monday's installation snafu.)

The TM contractors came today at 1pm, passed me the new Huawei HG8240H BTU and the TPLink C1200 and had me sign the service order form. Didn't even come into the house, just asked me if I'm OK to plug everything in myself. Sure, no problem. The BTU was already configured and working when they first came on Monday.

Didn't take the old router nor the old black BTU. Actually I already had the old BTU replaced with a new one last week on a different technical report not related to the RM10 upgrade. So now I have 2 brand new Huawei HG8240s.

This post has been edited by soonwai: Dec 2 2017, 02:12 PM

I think turning off ipv6 might help.