As part of the GCT Wireless LAN Multimedia SOC family, the GDM5103 is a controller IC integrating a 32-bit processor, several serial interfaces, and 802.11b connectivity.

The GDM5103 supports standard 802.11b WLAN connectivity as well as GCT proprietary multimedia wireless connectivity. Quality of Service (QoS) is handled by firmware in the embedded processor. Together with GCT's direct-conversion GRF5101&GRF5103 2.4-GHz CMOS WLAN radio transceiver, the GDM5103 provides a complete 802.11b WLAN solution with a USB interface or a complete 2-channel wireless audio streaming solution for non-compressed PCM data. When combined with GCT's GDM5302 wireless multimedia processor, the GDM5103 provides a complete standalone embedded WLAN solution for applications such as VoWLAN or multi-channel (5.1 CH) wireless A/V streaming devices through a 16-bit dedicated system bus.