Gary Lerude, MWJ Technical Editor

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This week, IDT reported 2018 fiscal year revenue of $843 million, 16 percent growth above 2017. Fourth quarter revenue was $225 million, up 4 percent sequentially and 28 percent year-over-year. Among the initiatives to fuel growth, IDT is developing millimeter wave beamforming products for 24, 28 and 39 GHz 5G systems.

MACOM announced it received the first volume production orders for its GaN on Si power devices. The orders are for 50 to 270 W devices for the 2.4 and 3.5 GHz cellular bands.

Apple said it shipped 52.2 million iPhones in fiscal Q2, 2.9 percent more than the prior year’s quarter. The company reported revenue of $61.1 billion, up 16 percent year-over-year.

Listen to comments about AT&T's 5G plans by CFO John Stephens, during the Q1 earnings call.

Wolfspeed’s Q3 FY18 revenue grew 16 percent sequentially to $81.9 million, which was 46 percent above the prior year’s quarter. The power RF business acquired from Infineon on 6 March is hurt by the export ban to ZTE; ZTE contributed approximately 20 percent of the revenue in the RF power business in Q3.

The FCC is seeking comments on the procedures for the upcoming 28 and 24 GHz auctions, scheduled to begin in November.

While 5G promises data rates of 10 Gbps and latencies down to 1 ms, will it improve communication? You know, communication that leads to human understanding. Perhaps we also need to invest in user protocols.

At Mobile World Congress, the Qualcomm/TDK Joint Venture, RF360 Holdings, announced what the company said is the first hexaplexer, covering FDD cellular bands 25, 30 and 66. The six-band filter uses SAW and BAW technologies.