3 ms·
> Worry about cell towers, not cell phones. The grounding is usually required to meet a standard and is tested during the towers installation. There are also
by timewizard 1y ago
> Worry about cell towers, not cell phones.
The grounding is usually required to meet a standard and is tested during the towers installation. There are also coaxial surge arrestors and isolators that get used along the span.
Some of the site to site communications equipment has no ground component other than a PoE switch. The ethernet interface, radio, and antenna are all in a single packaged unit installed at height on the tower.
- Animats 1y agoThat's a good point. Anything that is designed to survive lightning strikes also has considerable EMP resistance.
- resters 1y agoCommunications equipment is not designed to withstand lightning strikes. Lightning protection is meant to prevent the tower from melting or the building from burning down, not to protect a receiver!
- timewizard 1y agoI'm not at all sure why you'd think that. Here's an actual product that sits inline with the coaxial cable and is absolutely intended to protect the receiver. https://www.dxengineering.com/parts/ntk-pti-bb50nff?seid=dxese1&srsltid=AfmBOooCBs1llngHxVmIbkVYkDvPFwF0E9ZOCCHRp4zZ-yZ6bYGYgug_qzY https://www.dxengineering.com/parts/ntk-pti-bb50nff?seid=dxe...
- resters 1y agoSerious HEMP protectors are tested to MIL-STD-188-125 or IEC 61000-2-10