ʻO ka Feasycom FSC-BT3131 kahi microcontroller uea (MCU) e kālele nui ana i nā noi uila haʻahaʻa Bluetooth 5.3. Hāʻawi ka RF haʻahaʻa haʻahaʻa a me ka MCU i kēia manawa a me ke ʻano haʻahaʻa haʻahaʻa o ka hoʻohana ʻana i kēia manawa i ke ola pākaukau maikaʻi loa a ʻae no ka hana ʻana ma luna o nā pihi kelepona liʻiliʻi a me nā noi ʻohi ikehu. Kākoʻo ia i nā moʻolelo GAP, ATT/GATT, SMP L2CAP. Hoʻohui ia i ka mea hoʻokele Baseband i loko o kahi puʻupuʻu liʻiliʻi (Integrated chip antenna), no laila hiki i nā mea hoʻolālā ke loaʻa i nā mea maʻalahi no nā ʻano huahana.
