03 FCC RF Exposure_DTS

FCC ID: AK8GP-VPT2BT

RF Exposure Info

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FCCID_4484807

Sony Global Manufacturing & Operations Corporation EMC/RF Test Laboratory, Main Lab. Kisarazu Site 8-4 Shiomi Kisarazu-shi, Chiba, 292-0834 Japan Date: October 17, 2019 FCC ID : AK8GP-VPT2BT Applicant : Sony Corporation SAR Evaluation Exemption To whom it may concern, We, Sony Global Manufacturing & Operations Corporation EMC/RF Test Laboratory, Main Lab., hereby declare that Shooting Grip With Wireless Remote Commander, models: GP-VPT2BT (FCC ID: AK8GP-VPT2BT) of Sony Corporation are exempt from RF exposure SAR evaluation, as their output power meet the exclusion limits, stated in FCC Part 2 §2.1093. According to KDB 447498 D01 (v06), section 4.3.1: … These test exclusion conditions are based on source-based time-averaged (i.e. frame averaged) maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions. … The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] • [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where • f(GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. For above device, Regarding Bluetooth Low Energy; f = 2.48 GHz, distance = 5mm (the min. separation distance is < 5 mm), the max. possible duty cycle = 100 % = 0.00 dB, the max. possible burst averaged power incl. tune-up tolerance = 4.00 dBm, and the max. possible frame averaged power incl. tune-up tolerance = 4.00 + (0.00) = 4.00 dBm ≈ 3 mW. Therefore, 3 mW / 5 mm * ( √ 2.48 GHz) = 0.9 < 3.0 and no SAR evaluation is required.

sony Sony Global Manutacturing & Operations Corporation EMC/RE Test Laboratory, Main Lab. Kisarazu Ste 8—4 Shiom| Kisarazu—sn, Chiba, 2920034 Japan Thank you for your attention to this matter: Sincerely, P¥ y < Z / UROKRD Terulki Kurihara Technical Manager EMC/ RF Test Laboratory Main Lab. Design Technology Division. Sony Global Manufacturing & Operations Corporation.


Document Created: 2019-10-21 05:55:44
Document Modified: 2019-10-21 05:55:44
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