HAM (amateur) radio is the most capable off-grid communication channel available to civilians, and getting started is easier and cheaper than most people expect. When cell towers and internet are gone, HAM operators are still talking — across town, across the state, and sometimes around the world.
Get licensed first
In the US, transmitting on HAM frequencies requires a license. The entry-level Technician license is very achievable — a modest study effort and a simple multiple-choice exam. (In a genuine life-threatening emergency you may transmit on any frequency, but for practice and preparedness, get licensed and actually learn the equipment before you need it.)
Start with a handheld
The famous starting point is an inexpensive handheld like the Baofeng UV-5R HAM Handheld. It costs little enough to buy several — one to learn on, spares in a Faraday bag. Handhelds are limited by low power and a short stock antenna, but they are the perfect, low-risk way to learn.
Upgrade the antenna — the cheapest big win
Nothing improves a handheld more than a better antenna. Swap the stock "rubber duck" for a Nagoya NA-771 Antenna, and for real range hang a Roll-Up J-Pole Antenna up high. Antenna height and quality often matter more than radio power.
Add a mobile/base rig for range
When you want serious reach from the shelter, a higher-power mobile transceiver like the BTECH Mobile HAM Radio — run off your battery bank with a good external antenna — dramatically outperforms a handheld.
A modern alternative: mesh
For license-free local text messaging, a Meshtastic LoRa Node uses low-power LoRa radios to form an encrypted mesh network with no cell service required — a clever complement to voice HAM for keeping a group in contact.
Practice before you need it
The single most important HAM tip: use it now. Get licensed, program your radios, learn the local repeaters, and make contacts. Comms gear you have never practiced with is nearly useless in an emergency.