ALAMEDA, Calif. —Clear-Com has announced FreeSpeak Cell, a cellular-based wireless intercom system that uses LTE and 5G ...
Taking selfies and using biometrics to verify identities during SIM card registrations could help stop SIM-swap fraud, saving South Africans who bank on their phones billions of rands a year. This is ...
Abstract: This letter presents a 6-bit passive phase shifter (PS) for 3.7–5.3-GHz (S-/C-Band) phase-array communications. The PS adopts several cascaded switchable phase-shifting cells, in topologies ...
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