Deep Dive Teardown of the Fibocom FG650-CN Wireless Module
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The FibocomFG650-CN is an IoT module that supports 5G connectivity in two network architectures: 5G independent networking (SA) and 5G non-standalone networking (NSA). It also supports LTE and WCDMA communications. This module is specially designed for China. The module has the same size (44.1 x 41.2 x 2.71 mm) and PIN positioning as Fibocom’s Qualcomm platform 5G products (FG150 series). The FibocomFG650-CN is equipped with Unisoc’sUDX710 5G Baseband Processor that cost $28.5. Unisoc is the most cost driver manufacturer because it provides Baseband Processor, RF Transceivers, and Power Management chip. The FibocomFG650-CN module has an operating voltage range of 3.2V to 4.6V, with a typical value of 3.8V, an operating temperature range of -30 to +75°C, and an extended temperature range of -40 to +85°C. This module has appropriate FIBOCOM AT commands. The module has five antenna pins, but one pin is not used in this module. The rest belongs to two main antennas and two diversity antennas. TechInsights discovered two ICs were used for the first time, the Dosilicon (FMND2G08S3D-IF) SLC NAND Flash Memory -256 MB and the XinpleTek (XP5254-11) 5G n41 Front-End Module.
