Cellphone-free Texting - IEEE Spectrum
TARPN: n9600a -- Info & Ordering
NPR-70 v05 Modem by F4HDK | New Packet Radio over 70cm Band | Amateur Radio Packet Radio | Factory-Assembled | ELEKITSORPARTS
AX.25 Packet Radio
GitHub - sh123/nrf24l01_arduino_kiss_modem: Arduino Amateur Radio NRF24L01 2.4 GHz USB serial KISS TNC (terminal node controller) for AX25 packet networks
HackerBoxes 0003: Amateur Radio, Arduino Nano, Satellites, Packet, APRS : 13 Steps - Instructables
Arduino + Ham Radio = Texting | Hackaday
NPR-70 v05 Modem by F4HDK | New Packet Radio over 70cm Band | Amateur Radio Packet Radio | Factory-Assembled | ELEKITSORPARTS
9600 Baud Packet Radio Modem Design
Homebrew APRS – Arduino Uno KISS TNC – VK3DAN
Terminal node controller - Wikipedia
ESP32 TNC and Audio Relay for HF/VHF Packet Radio | Details | Hackaday.io
DVMEGA-GMSK modem for Arduino ‹ SPARKY's Blog
Packet Radio | Hackaday
Packet Radio Modem (GES GC12AX) - Rezková Ludmila
HackerBoxes 0003: Amateur Radio, Arduino Nano, Satellites, Packet, APRS : 13 Steps - Instructables
Arduino AX.25 TNC | George Smart – M1GEO
Send text messages over ham radio with the HamMessenger | Arduino Blog
New Packet Radio Modem for 70cm, NPR-H (Ham Radio) from Localino on Tindie
