Motorola's RMM2050, a license-free MURS radio, has a built-in scrambler which I just assume is not great. It's got headset I/O so I don't think there's any reas

Motorola's RMM2050, a license-free MURS radio, has a built-in scrambler which I just assume is not great. It's got headset I/O so I don't think there's any reason you couldn't use a more effective scrambling headset. https://shop.motorolasolutions.com/rmm2050-two-way-radio-for-business-5-channel-murs/product/RMM2050BHLAA https://shop.motorolasolutions.com/rmm2050-two-way-radio-for... No idea what your application is but since you said "strong encryption" the idea of using a MURS radio modem kind of sprang to mind. Some examples: https://www.raveon.com/license-free-radio-modems/ https://www.raveon.com/license-free-radio-modems/ https://www.esteem.com/esteem-products/ https://www.esteem.com/esteem-products/