it is posting:D

sadly, they don't sell one individually:( I guess you can get different models. Or get a kit:)

looks bricked to me. I guess you can try few times re-upload version 2 firmware through tftp.

I don't think you can change it from strict to open. If your SIM card provider provides you a public IP address and public gateway, I guess you can open port or DMZ for your device. Otherwise, the...

1. You'd better try a different software to scan the channel...like inSSIDer 2. the C20 is working on router mode or access point mode? is the "allow guests to access local network" checked or not?...

compatibility problem, you need to check the network type and band they supported, not so sure about the SIM card of EE, but you can check that of tplink here:...