The unknown manufacturer of RTFQ4B1V3 and RTFQ1B7S5 are FR1 transceivers found in the ALN-AL00 and ALN-AL80 128 GB RAM 512 GB ROM versions of the Huawei Mate 60 Pro 5G. Both packages contain the same die in a 412-pin FCBGA package. The RTFQ4B1V3_die is a Si RF transceiver die found inside both RTFQ4B1V3 and RTFQ1B7S5, and was manufactured on 300 mm wafers using SMIC's 14 nm HKMG finFET process.
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