I was having problems with my cable company and electrician with separate locations outside the home. We've lost a lot of electronics over the years due to lightning and improper grounding. Using a fiber optic break between the power and cable eliminates the possibility of lightning propagating from the cable company and striking back to earth through the electronics. I've been using these fiber optic converters for about a decade now and have had no further damage from power surges. Note that even an aerator outlet won't protect you if your electric company and your cable or phone company aren't connected to the same ground pin outside your home.
MikroTik S+RJ10 Ethernet Transceiver
10 Review
📡 CM19A R.F. PC Transceiver for X10 Devices
8 Review
📡 Izokee ESP-01 Serial WiFi Transceiver Module with USB Converter, Compatible with Arduino
8 Review
🔌 Gigabit Ethernet Media Converter, Single Mode Dual SC Fiber, 1000Base-LX to 10/100/1000Base-Tx, up to 20km, 2-Pack
9 Review
🔌 Juiced Systems Silver BizHUB USB-C Multiport Gigabit HDMI Hub with 3 USB 3.0 Ports, Gigabit Ethernet, 4K HDMI, SD/Micro SD, and USB-C Power Delivery
11 Review
🔌 CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
3 Review
🔌 StarTech.com NETRS232 Serial to IP Ethernet Device Server - DIN Rail Mountable - Serial Device Server - Serial Over IP Device Server (Black)
4 Review
HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
12 Review