The email address must be support.ca@tp-link.com.

From the router's compatibility list, i don't see the HUAWEI EC315. Maybe, TL-MR3420 V1 is not compatible with HUAWEI EC315.

Since a cable modem doesn't have router function so that it only allows one device to access internet, in your case, you need to configure the TL-MR3020 in router mode in order to share wifi network....

Hi Mrlavo, I don't agree with you. The TL-MR3220 can be used as a wireless AP is based on the condition that the TD-8840T has router function and its DHCP is enabled. While using the MR3220 as a...

See the response here http://forum.tp-link.com/showthread.php?72378-Unable-to-configure-TL-WR710N&region=china.

The Chinese-version can not be changed to English version. It seems the Chinese-version is only sold in Mainland China. I am curious about how did you buy a Chinese-version in Argentina:confused:. If...