DASY6 V6.10 Packed with Innovation: SAR/PD at 6 – 10 GHz, 5G NR Signals, and Full FCC Acceptance
DASY6 is the first system on the market that supports specific absorption rate measurements between 6–10 GHz, estimates epithelial power density (IEEE) or transmitted power density (ICNIRP) values, and includes 5G NR signals.
Following the release of DASY6 Module mmWave V2.0 one month ago, we have issued our new software cDASY6 V6.10. This release closes the gap regarding full compatibility with the latest standard version IEC/IEEE 62209-1528 by covering the full frequency range from 4 MHz ‒ 10 GHz for specific absorption rate (SAR) compliance testing. In addition, SPEAG once again offers solutions that are now discussed in the standard working groups, namely (i) estimates of the transmitted power density (PD) values that will become an additional exposure limit with the new safety guidelines of ICNIRP and IEEE and (ii) test signals for the new 5G New Radio (NR).
The key new features of cDASY6 V6.10 are:
SAR assessment between 6 – 10 GHz
estimation of epithelial PD (IEEE) or transmitted PD (ICNIRP) values
6 ‒ 10 GHz system check dipoles and their target values (6.5, 7, 8, and 9 GHz)
calibration services for the frequencies between 6 – 10 GHz with +/-500 MHz bandwidth
sensor model calibration (SMC) extension to 5G NR signals
our Optimized Probe Positioning Technique (or ‘Mother Scan’) that makes testing much faster; it includes all additional features and checks which have been requested by regulators and has been formally approved by FCC
full compatibility with the recently published IEC 62209-2 AMD1:2019 on zoom scan grid resolution requirements
Transmitted PD Measurements Between 6 – 10 GHz
With the opening of the 6 GHz band for unlicensed use by the regulators, Wi-Fi technologies in this frequency range are announced to be introduced in 2020. SPEAG, being always one step ahead of standardization, has therefore extended the DASY6 measurement capability to frequencies up to 10 GHz. With cDASY6 V6.10, you can now assess the SAR for up to 10 GHz. This frequency extension does neither require new probes, nor new media or phantoms. Users only need to acquire the corresponding dipoles and calibration for the EX3DVx probes. SPEAG has also already implemented a novel technique developed by the IT'IS Foundation (paper to be released soon) to derive epithelial PD (IEEE) or transmitted PD (ICNIRP) values from the acquired SAR measurements that is made available to the user.
With the introduction of cDASY6 V6.10, DASY6 is the first system on the market fully compatible with the latest draft and soon to be released standard IEC/IEEE Draft 62209-1528.
Watch the video below for a life demo of the new software, or for more details on the procedure for devices operating at 6 - 10 GHz consult our application note.
Formal FCC Approval of Optimized Probe Positioning Technique
The Optimized Probe Positioning technique, also known as “Mother Scan”, implemented in cDASY6 reduces the scanning time while maintaining the same measurement uncertainty. The procedure consists of measuring the phantom surface at different locations with the MSTV1 / TP6V2 Phantom Teaching System. Once complete, an advanced algorithm generates the exact CAD model of the phantom. This technique also enables accurate SAR measurements in phantoms with strong curvatures such as Wrist or Face-Down.
During the last few weeks, SPEAG has implemented the latest monitoring/checks requested by FCC such that this technique is now fully approved by the FCC for measurements performed with Module SAR V6.10 or higher!
Compatibility with IEC 62209-2 Amendment
The IEC 62209-2 AMD1:2019 requires verification whether the grid resolution used for the Zoom Scans is sufficient. This feature, already made available in V6.4, has been updated to the latest standard requirements. cDASY6 V6.10 computes the radius and decay of the measured SAR distribution and verifies that the measurement grid is fine enough. In cases where it is not, the software suggests optimized grid settings. In addition, the 3 dB radius and the ratio between the peaks of the two lowest measurement planes are available in the reporting tool of the new software version.
SMC Extension to 5G NR Communication Systems for DASY6 and cSAR3D
As another novelty, the SMC procedure is now available for to 5G NR. From now on, probes calibrated for SMC will include linearization parameters for over 100 5G NR signals. These parameters are offered to our customers without any additional cost. cDASY6 operated with SPEAG’s Modulation and Audio Interference Analyzer (MAIA) and SMC calibrated probes ensures accurate and reliable SAR assessments.
The new cDASY6.10 software can be downloaded here.
The new cSAR3D V3.1 software with the 5G NR signals enabled can be downloaded here.
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