The UV-S9 Plus ships with limited frequency ranges (usually 136-174 MHz and 400-520 MHz). Using the programming software, you can often "unlock" the radio to receive airband (108-136 MHz) or emergency frequencies. Warning: It is illegal to transmit outside amateur bands. Do this at your own risk.
is specifically tailored for the UV-S9 series, including the Plus. RadioReference.com Forums Hardware Requirements To connect your radio to a computer, you will need: Programming Cable : A standard Baofeng 2-pin (K-plug) USB programming cable. baofeng uv-s9 plus programming software
: The official Customer Programming Software (CPS) for tri-band radios like the UV-S9 is designed to unlock specific frequency bands, such as the 220MHz range. You can find various versions on the Baofeng Radio Download Area RT Systems (Paid) The UV-S9 Plus ships with limited frequency ranges
Technically, you can program the UV-S9 Plus manually using the keypad and the A/B frequency selection. This is useful for field adjustments when you don't have a computer nearby. However, manual programming has significant limitations: Do this at your own risk