License-Free Data Radios

License-free data radio modem units and OEM modules from STI Engineering are available in the VHF, UHF, 433MHz and 900MHz ISM bands. Single-channel and frequency hopping units are available for virtually any application.





433MHz Low-Cost Radio Modem

433MHz Low-Cost Data Radio Modem

Product Code: RFI-433 HCHPD0

433MHz frequency-hopping radio modem, with protocol support and low power mode. Dual RS232 ports for separate data streams

RFI-433 Data & Specs

RFI-433 Quote Request

900MHz Frequency-Hopping Radio Modem

900MHz Frequency-Hopping Radio Modem

Product Code: RFI-9256 ACA, RFI-9256 FCC, RFI-9256 NZ

Radio Modem for operation in the industrial, scientific, and medical (ISM) band for Australia (915-928MHz), New Zealand (920-928MHz), and FCC (902-928MHz).

RFI-9256 Data & Specs

RFI-9256 Quote Request