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Old 28-06-2020, 04:32 PM   #1
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Slow WIFI (i think?) speed

Hi guys, i think im having very slow wifi speed on my devices.
On Singtel 500Mbps plan.

This is my current setup.

ONT (Living room) -> Cat 6 -> Asus Rt-AC85U (living room).

Asus Rt-AC85U:
LAN 1 -> Cat 5e (20m long) -> Singtel FG7003GRV as AP (in room)
LAN 2 -> Cat 5 (20m long) -> Smart TV (in room)
LAN 3 -> Cat 5 (2m long) -> Smart TV (living room)

Singtel FG7003GRV as AP (in room)
LAN 1 -> Cat 5e (2m long) -> PC (in room)

Speed test results:
PC - 500 mbps d/u
Iphone 7 and XR 2.4 ghz in the room standing beside FG7003GRV - 60 mbps d/u.
Iphone 7 and XR 5 ghz in the room standing beside FG7003GRV - 220 mbps d/u

Iphone 7 and XR 2.4 ghz in the living room standing beside Asus Rt-AC85U - 80 mbps d/u.
Iphone 7 and XR 5 ghz in the living room standing beside Asus Rt-AC85U - 270 mbps d/u.


PC seems to be ok. Wifi result above is consistent with other devices (laptop, tablet, parents phone etc) speed test.

Is it me or my wifi speed seems to be kinda slow?
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Old 28-06-2020, 04:37 PM   #2
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No. Your WiFi speed is about right at 270Mbps with RT-AC85U and 220Mbps with FG7003GRV.

RT-AC85U is among the lower end of Asus AC routers, it has a very low end MTK MIPS based CPU.

But you can try a different test server (say OVH Cloud or PT Indosat TBK) if you use SpeedTest to see if you get higher speed or not.

Last edited by xiaofan; 28-06-2020 at 04:42 PM..
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Old 28-06-2020, 04:43 PM   #3
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for 2.4 at 80 is normal as well?

What router would i need for the wifi to reach say, 400 mbps on 2.4 (is this even possible)?

ac85u is rated as 800+1734 Mbps. Im assuming 800 is for 2.4. And 800 is theoretical and in real life it would deem to be much lesser, but i never expect it to be 60? thats like less than 10% of advertised. Pardon my ignorance if this is true though.
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Old 28-06-2020, 04:54 PM   #4
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for 2.4 at 80 is normal as well?

What router would i need for the wifi to reach say, 400 mbps on 2.4 (is this even possible)?

ac85u is rated as 800+1734 Mbps. Im assuming 800 is for 2.4. And 800 is theoretical and in real life it would deem to be much lesser, but i never expect it to be 60? thats like less than 10% of advertised. Pardon my ignorance if this is true though.
Itís a slow router, can better ones. Also, why are you concern with 2.4ghz?
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Old 28-06-2020, 05:00 PM   #5
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Can advise what kind of router would be considered better ones? Need a ac5300 or something?

Would it be ok to have like 20 devices connected to 5ghz? It will slow down the network? I was thinking of letting some connect to 2.4.
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Old 28-06-2020, 05:07 PM   #6
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for 2.4 at 80 is normal as well?

What router would i need for the wifi to reach say, 400 mbps on 2.4 (is this even possible)?

ac85u is rated as 800+1734 Mbps. Im assuming 800 is for 2.4. And 800 is theoretical and in real life it would deem to be much lesser, but i never expect it to be 60? thats like less than 10% of advertised. Pardon my ignorance if this is true though.
2.4GHz is very congested in Singapore and I doubt anyone here has got higher than 200Mbps speed using AC router (AC is only for 5GHz so it will be using n wireless 802.11n).

Even for Wifi 6 AX routers with high spec of 1300Mbps, Dong Ngo only gets 180Mbps at 2.4GHz out of the top of the line AX router RT-AX89X, due to congestion. He does get 400Mbps with RT-AX11000 with an AX client.

https://dongknows.com/asus-rt-ax89x-review/

Last edited by xiaofan; 28-06-2020 at 05:12 PM..
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Old 28-06-2020, 05:17 PM   #7
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Alright. So what router would I need for 5ghz to be 400-500mbps?
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Old 28-06-2020, 05:23 PM   #8
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Can advise what kind of router would be considered better ones? Need a ac5300 or something?

Would it be ok to have like 20 devices connected to 5ghz? It will slow down the network? I was thinking of letting some connect to 2.4.
AC5300 or AC2600 do not really matter. You just have to lower the expectations with 2.4GHz. 60Mbps is good enough for a phone. Even Netflix 4K is only 25Mbps.

A better router will have a faster processor and better 2.4GHz/5GHz chipset, for example RT-AC86U is rated at AC2900 but it is one of the best AC router out there. They can handle more connections more efficiently.

And if you use many devices, your 500Mbps plan may become the bottleneck.
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Old 28-06-2020, 05:25 PM   #9
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Alright. So what router would I need for 5ghz to be 400-500mbps?
Switch to M1 and then cheap Huawei AX3 Pro at RMB329 will achieve that, or Xiaomi AX3600 at RMB599.

For SingTel, then consider Asus RT-AX58U or better, S$235 usual price but can be lower.
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Old 28-06-2020, 05:41 PM   #10
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Contact singtel ask for their technical team to upgrade the Singtel FG7003GRV firmware. Donít be surprised to be hitting 400ish mbps
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Old 28-06-2020, 05:44 PM   #11
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You can see the difference for my case (singtel came down to help on 25 June 4pm)... all are on wifi (not lan, desktop hitting 800-900mpbs)


Last edited by ralliart_ray; 28-06-2020 at 05:54 PM..
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Old 28-06-2020, 05:46 PM   #12
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Alright. So what router would I need for 5ghz to be 400-500mbps?
Actually a cheap S$99 TP-Link AX10 may do the trick as well.

https://forums.hardwarezone.com.sg/i...241076-19.html

The user Xiaofu99 reported above 400Mbps speed achieved with Tplink AX10 and Samsung S9+ with 1 wall in between using M1 500Mbps plan.

But I believe iPhone 7 and XR have weaker WiFi than Samsung S9+ so YMMV.

Last edited by xiaofan; 28-06-2020 at 05:49 PM..
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Old 28-06-2020, 05:52 PM   #13
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You can see the difference for my case (singtel came down to help on 25 June 4pm)

Are the 428/498 and 460/499Mbps results from Wireless?

Last edited by xiaofan; 28-06-2020 at 05:54 PM..
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Old 28-06-2020, 05:53 PM   #14
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Yes itís wifi off my iphoneXS ( I am on singtel 1gbps)
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Old 28-06-2020, 05:55 PM   #15
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Yes it’s wifi off my iphoneXS ( I am on singtel 1gbps)
Very nice improvement. So looks like the older FW really puts constraints on the wireless performance.
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