RF exposure info

RF exposure info

Shenzhen Youzhisheng Technology Co., Ltd. ULANZICG02 Light-filling Bluetooth shooting aid 2A9O6-ULANZICG02 2A9O6ULANZICG02 ulanzicg02

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Document DEVICE REPORTGetApplicationAttachment.html?id=6303017 
RF Exposure evaluation
FCC ID: 2A9O6-ULANZICG02
1.1. Applicable Standard
According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission's guidelines. According to §1.1310 and §2.1093 RF exposure requirement KDB447498 v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies
1.2. Requirement
According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: "Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-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.22 The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.23 " [(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 · 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below 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 according to 5) in section 4.1 is applied to determine SAR test exclusion.

Channel Target (dBm) Tolerance ±(dB)
Channel Target (dBm) Tolerance ±(dB)

Manufacturing tolerance

Bluetooth LE

GFSK (Peak) 1Mbps

LCH

MCH

1

1

1.0

1.0

GFSK (Peak) 1Mbps

LCH

MCH

1

1

1.0

1.0

HCH 1 1.0
HCH 1 1.0

2. Evaluation Result

Standalone
Band/Mode BT

f (GHz) 2.5

Antenna Distance
(mm) 5

Antenna 1

RF output power

including tune up

dBm

mW

2

1.58

SAR Test Exclusion Threshold 0.501< 3

SAR Test Exclusion

Estimated SAR

Yes

0.0668

Remark: 1. Output power including tune up tolerance; 2. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to f) in section 4.1 is applied to determine SAR test exclusion.
3. Conclusion
The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06, No SAR is required.
.....................End.........................

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