GCT® Semiconductor, Inc. (GCT) announced the WiMAX 2 (IEEE 802.16m) single-chip, GDM7225 device, which integrates RF, MAC and PHY into a single-chip. This new WiMAX 2 device offers a 4x4 multiple input multiple output (MIMO) system, enabling high-speed wireless broadband communications four to five times faster than existing WiMAX technology. Applications include mobile handstes, hotspots, USB dongles, modules, customer premise equipment, notebooks, PCs, and tablets.
The GDM7225 allows for higher data rates and provides backward compatibility with existing 16e mobile WiMAX (IEEE 802.16e) requirements. The GDM7225 features a complete transceiver that supports full coverage of the 2GHz WiMAX band in Japan and other countries. The company reports that the new chip offers the world’s first 4x4 MIMO performance enabled by four independent RF receivers. Performance includes speeds of up to 150 Mbps downlink and 50 Mbps uplink, based on device specifications. In addition, GDM7225 supports multicarrier operation (10MHz + 10MHz) up to 20MHz bandwidth.
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