Wireless Extender with D-Link DSL-2750U rev C1, low speed

Installing and Using OpenWrt
1

Hi Folks.

I have an old DSL modem - D-Link DSL-2750U rev C1, that was lying around unused for a while. I thought of repurposing it as a Wireless Extender to get additional network coverage to a room where the signal is quite weak, to connect a PC.

I flashed the modem with OpenWrt firmware version 22.03.5 r20134-5f15225c1e. I followed all steps as mentioned in this link and configured the router as a Wireless Repeater using relayed package.

Everything works fine, but the speed of the internet I am getting through this Wireless extender is very poor. I have a 100Mbps FTTH connection, the base modem cum Wi-Fi router (provided by ISP) gives very good results on speedtests in Wi-Fi mode (approx. 55Mbps download & upload on a 2.4GHz band).

But once connected through this Wireless Extender using a LAN port (Ethernet cable), I am getting speeds in the range of only 2 Mbps both download/upload. This is too low and practically good for nothing.

What could be wrong here?.. Is it anything to do with this hardware or anything with the firmware?

Please help.

2

Broadcom wireless, you should consider yourself lucky, you got anything at all - https://openwrt.org/meta/infobox/broadcom_wifi

1 Like
3

Are you able to make the modem work as a wifi repeater? And connect to the router using wifi ?

4

read the link provided, and set your wifi expectations accordingly.