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5G Spectrum: mmWave, sub-6 GHz, 5G/4G spectrum sharing; 5G Modes: FDD, TDD, SA (standalone), NSA (non-standalone) 5G mmWave specs: 800 MHz bandwidth, 8 carriers, 2x2 MIMO; 5G sub-6 GHz specs: 200 MHz bandwidth, 4x4 MIMO; 5G Peak Download Speed: 7500 Mbit/s; 5G Peak Upload Speed: 3000 Mbit/s; 5G RF: 100 MHz envelope tracking, Adaptive antenna tuning
DOS/4G is a 32-bit DOS extender developed by Rational Systems (later Tenberry Software). [2] It allows DOS programs to eliminate the 640 KB conventional memory limit by addressing up to 64 [ 3 ] MB of extended memory on Intel 80386 and above machines.