3GPP-Compliant EVM Measurement: EVM is the gatekeeper specification for 5G transmitter compliance. 3GPP TS 38.104 defines EVM limits for each modulation scheme: ~17.5% for QPSK, ~12.5% for 16-QAM, ~8% for 64-QAM, and ~3.5% for 256-QAM. The NR option measures EVM per the standard—including correct channel estimation, equalization, and phase tracking—providing the number that determines whether your transmitter passes or fails 3GPP requirements.
FR1 Sub-6 GHz Analysis: Bands n77 (3.3–4.2 GHz), n78 (3.3–3.8 GHz), and n79 (4.4–5.0 GHz) are the C-band workhorses of global 5G deployment. Carrier bandwidths range from 10 MHz to 100 MHz. The NR option handles all of these, and the UTS7000A's 13.6 GHz minimum frequency coverage ensures every UTS7000A model supports FR1 analysis. For carriers wider than 20 MHz, a bandwidth option (B40 for 40 MHz carriers, B85 for 80 MHz, B160 or B255 for 100 MHz) is needed to capture the full carrier in real-time.
FR2 mmWave Analysis: Bands n257 (26.5–29.5 GHz), n258 (24.25–27.5 GHz), and n260 (37–40 GHz) deliver multi-gigabit 5G connectivity. Testing at these frequencies requires an analyzer that actually covers the bands—the UTS7026A covers n258, the UTS7032A adds n257, and the UTS7040A covers all three including n260. The NR option's demodulation works identically at mmWave frequencies, providing the same EVM, constellation, and resource block analysis at 28 GHz as at 3.5 GHz.
Complete Signal Characterization: Beyond EVM, the NR option reports frequency error, symbol clock deviation, I/Q offset, I/Q gain imbalance, I/Q quadrature error, I/Q timing skew, magnitude error, phase error, and sync correlation. These detailed impairment metrics tell you not just that your signal has poor EVM, but why—enabling targeted debugging of transmitter hardware problems.