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montymort
Beginner
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Message 1 of 11

Can someone explain broadband speeds to me.

When i bought my Unlimited BT Infinity 1 + Calls with up to 52Mb i was quoted at getting...

"We estimate your maximum download connection speed will be between 44-55 Mbps

MINIMUM download speed will be 39MBPS."

I know the further from the exchange you are the lower the speed gets but i am 1.22KM from our nearest exchange and whilel downloading an update for a game it said my PEAK download speed was 3MBPS this varied from 3MBPS to1.4MBPS

Question one: Is this a typical speed for my distance from the exchange ?
Question two: How close would you have to be to the exchange to get 39MBPS

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Distinguished Sage
Distinguished Sage
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Message 2 of 11

Re: Can someone explain broadband speeds to me.

for fibre it is distance from your street cabinet that counts unlike adsl/copper it is distance from exchange

 

can you post hub stats  if hh6 then advances settings then technical log information

can you enter phone number and post results  remember delete number http://dslchecker.bt.com/adsl/adslchecker.welcome

 

what BT refers to as download speed is actually down conenction speed which is different



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Distinguished Sage
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Message 3 of 11

Re: Can someone explain broadband speeds to me.

Do not get confused between Megabits/s  connection speed and MegaBYTES/s download speed as measured on downloads.

https://www.ispreview.co.uk/index.php/2015/04/confusion-broadband-isp-speeds-megabits-vs-megabytes.h...

Your 3 MegaBYTES/s equates to about 24Mbs connection speed, but the only true test is to use the BT Wholesale Performance Tester.

 

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Distinguished Sage
Distinguished Sage
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Message 4 of 11

Re: Can someone explain broadband speeds to me.


@montymort wrote:

When i bought my Unlimited BT Infinity 1 + Calls with up to 52Mb i was quoted at getting...

"We estimate your maximum download connection speed will be between 44-55 Mbps

MINIMUM download speed will be 39MBPS."

I know the further from the exchange you are the lower the speed gets but i am 1.22KM from our nearest exchange and whilel downloading an update for a game it said my PEAK download speed was 3MBPS this varied from 3MBPS to1.4MBPS

Question one: Is this a typical speed for my distance from the exchange ?
Question two: How close would you have to be to the exchange to get 39MBPS


Distance from the exchange is immaterial, it is your distance from the green cabinet that matters.

Speed vs distance graph below

Graph of FTTC speed versus distance from the street cabinet

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montymort
Beginner
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Message 5 of 11

Re: Can someone explain broadband speeds to me.

Interesting. As Mbps could equal either megabytes per second OR megabits per second. So I know that my download speed at the time was 3Megabytes per second. How do i know whether BT offered me 38megabits per second or megbytes per second?

I'm guessing it's the latter, as it would be poor service indeed only getting 38megabits for the money i'm paying.
 
anyway here's the log
 
 
Product name:

BT Hub 6A

Serial number:

--------------------

Firmware version:

SG4B1000B522

Firmware updated:

20-Jan-2018

Board version:

1.0

Gui version:

1.64.0

DSL uptime:

0 Days, 8 Hours 53 Minutes 58 Seconds

Data rate:

5.06 Mbps / 26.53 Mbps

Maximum data rate:

5063 / 25497

Noise margin:

5.9 dB / 2.4 dB

Line attenuation:

36.4 dB

Signal attenuation:
 
VPI / VCI:

0/38

Modulation:

G_993_2_ANNEX_B

Latency type:

Fast Path

Data sent / received:

765 MB Uploaded / 34483 MB Downloaded

Broadband username:

---------------------------------

BT Wi-fi:

Active

2.4 GHz wireless network name:

-----------------------------

2.4 GHz wireless channel:

Channel 6

5 GHz wireless network name:

---------------------------------

5 GHz wireless channel:

Smart (Channel 36)

Wireless security:

WPA2 (Recommended)

Wireless mode:

Mode 1

Firewall:

On

MAC address:

24:20:C7:91:8E:33

Software variant:

-

Boot loader:

7.33.1

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Distinguished Sage
Distinguished Sage
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Message 6 of 11

Re: Can someone explain broadband speeds to me.

it is 38 megabits per seconds Mbps not 38 MegaBytes per second 38MBps

 

38Mbps is about 4MBps after allowing for overheads  so with your speed 26.53Mbps your download speed of 3MBps is about right

this is no different to any other ISP using openreach connection



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Distinguished Sage
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Message 7 of 11

Re: Can someone explain broadband speeds to me.


@montymort wrote:
Interesting. As Mbps could equal either megabytes per second OR megabits per second.
 


Err no, Mbps is Megabits per second. Megabytes per second is MBps

montymort
Beginner
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Message 8 of 11

Re: Can someone explain broadband speeds to me.

I see THAT's so much difference 😛

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Distinguished Sage
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Message 9 of 11

Re: Can someone explain broadband speeds to me.

I'm afraid in engineering, precision is necessary otherwise anarchy ensues.  A lower case letter has a different meaning to an upper case letter.

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montymort
Beginner
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Message 10 of 11

Re: Can someone explain broadband speeds to me.

Shame everyone isn't a precision engineer eh! Most people have no idea  about computers or broadband speeds but they have them and except what they are being told. Some people know so much but not everything,like me. If company's in the know are going to sell a product then clear non jargon is needed. How many average people are going to notice the difference betweenMbps and MBps? i didn't.

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