Check this link and see if it can help you : http://www.tp-link.com/en/article/?faqid=380 ;) Maybe IP sec is an option for these two 600

3G Modem connecting error, please check the dial number and APN. I see this error in the system log. This means your dial number and APN is not correct. Contact Movistar to get correct Dial number...

I heard that TL-WN951N V1 does not require to install the driver on Windows8 because that the Windows 8 has already contained the driver automatically by default. So the TL-WN951ND V1 is plug and...

How about disable the Pin code or leave Pin code blank? It was said that sometimes the router does not accept the Pin code and needed to disable the PIN for the SIM card. Have a check on this :...

Hello Andre, Go to the web based interface and then go to wireless settings, change the channel and take out of the password for it. Connect again. If you can connect, try to put the password back.

How about upgrade the firmware of the router? The last line of the system log says" modem plugged out ". The router itself pulled it out from the USB port of the router, sounds abnormal.