Nec B58944 Datasheet May 2026

The NEC B58944 (often associated with the uPD version numbers like uPD72644) is a compact Bluetooth 2.0 + EDR (Enhanced Data Rate) module. It is designed as a "drop-in" RF solution, integrating the baseband controller, RF transceiver, and necessary passive components into a single shielded package.

This module is typically used in embedded systems requiring short-range wireless communication where the designer wants to avoid complex RF layout and certification processes. nec b58944 datasheet

From forum posts and repair guides mentioning "NEC B58944," the component is frequently found in a SIP (Single Inline Package) or ZIP (Zig-zag Inline Package) with 5 to 9 pins. Examples include: The NEC B58944 (often associated with the uPD

Given the difficulty finding it online, try these methods: integrating the baseband controller