Will Adding Coax / Ethernet Extension Kill My Web Speed?

[N-OS X-tasy!]

The coax cable will attenuate signal strength by a certain amount, but not enough to impact your throughput speeds. Some good info on coax cable here: https://sewelldirect.com/learning-center/rg59-or-rg6

A blinking yellow light on an Airport router usually means one of three things (listed in rough order of likelihood):

• a firmware update is available for the router
  
• the router lost connectivity to the Internet
  
• the router has a configuration error