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Orange FM Prototype – Analogue Pocket Demo
I'm not able to answer exactly at this time - a lot will come down to cost of production. These are dense, complicated circuit boards compared to your average Game Boy flash cartridge.
World Band 64-108Mhz FM Radio Uses the Game Boy's Speaker (See compatibility chart) On-Cart Headphone Amp (Optional) Store and Recall 12 Presets RDS Radio Text Support Internal and External Antenna Support Digital Volume Adjustment These are dense, complicated circuit boards compared to your average Game Boy flash cartridge. This is great if you just want to casually blast some tunes from the Game Boy speaker, as you don't need to attach anything extra to the cart.
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