Shenzhen Qianyan Technology LTD H7184 2A7VD-H7184 2A7VDH7184 h7184
H7184 Smart Kitchen Composter by Shenzhen Qianyan
1. RF Exposure Requirements 1.1 General Information Client Information Applicant: Address of applicant: Shenzhen Qianyan Technology LTD No. 3301, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, Manufacturer: Address of manufacturer: Shenzhen Qianyan Technology LTD No. 3301, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, General Description of EUT: Product Name: Trade Name Model No.: Adding Model(s): Rated Voltage: Power Adapter: FCC ID: Equipment Type: Smart Kitchen Composter GoveeLife H7184 / AC120V 60Hz / 2A7VD-H7184 Mobile device Technical Characteristics of EUT: Wi-Fi Support Standards: 802.11b, 802.11g, 802.11n Frequency Range: 2412-2462MHz for 802.11b/g/n(HT20) RF Output Power: 18.15dBm (Conducted) Type of Modulation: CCK, OFDM, QPSK, BPSK, 16QAM, 64QAM Quantity of Channels: 11 for 802.11b/g/n(HT20) Channel Separation: 5MHz Type of Antenna: FPC Antenna Antenna Gain: 2.28dBi Bluetooth Bluetooth Version: V4.2 (BLE mode) Frequency Range: 2402-2480MHz RF Output Power: 5.79dBm (Conducted) Data Rate: 1Mbps Modulation: GFSK Quantity of Channels: 40 Channel Separation: 2MHz Type of Antenna: FPC Antenna Antenna Gain: 2.28dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and KDB 447498 D04 Interim General RF Exposure Guidance v01, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. Option A: FCC Rule Part 1.1307 (b)(3)(i)(A):The available maximum time-averaged power is no more than 1mW, regardless of separation distance. Option B: FCC Rule Part 1.1307 (b)(3)(i)(B): The available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold Pth (mW) described in the following formula. Pth is given by: Option C: FCC Rule Part 1.1307 (b)(3)(i)(C): The minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. R must be at least /2, where is the free-space operating wavelength in meters. Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R2 1.34-30 3,450 R2/f2 30-300 3.83 R2 300-1,500 0.0128 R2f 1,500-100,000 19.2R2 For Multiple RF sources: FCC Rule Part 1.1307(b)(3)(ii): (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). (B) In the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. 1.3 Calculated Result Radio Access Technology Wi-Fi Bluetooth Prediction Frequency (MHz) 2412 2402 Output Power (dBm) 18.15 5.79 Antenna Gain (dBi) 2.28 2.28 Duty Cycle (%) 100 100 Tune-Up Time-Averaged Power (dBm) 19.00 6.00 ERP (dBm) 19.13 6.13 Frequency Min. Distance Max. Power Option (MHz) (cm) (dBm) (mW) Exposure Limit (mW) Ratio Result Pass/Fail 2412 C 20.00 19.13 81.85 768.00 0.11 Pass 2402 C 20.00 6.13 4.10 768.00 0.01 Pass Note: 1. Time-Averaged Power=Output Power * Duty Cycle; ERP= Time-Averaged Power+ Antenna gain-2.15dB 2. Option A, B and C refers as clause 1.2. 3. For option B, Max (time-averaged power, effective radiated power (ERP)) converts to Max. Power. For option C, ERP converts to Max. Power; 4. For option B, Pth (mW) converts to Exposure Limit (mW); For option C, ERP (W) converts to Exposure Limit (mW). 5. Ratio= Tune-Up ERP (mW)/ Exposure Limit (mW) Mode for Simultaneous Multi-band Transmission: Radio Access Technology Ratio 1 Ratio 2 Simultaneous Ratio Limit -- -- -- -- -- Note: Wi-Fi and Bluetooth is the use the same antenna cannot simultaneous transmission. Result: Pass Result Pass/Fail --Microsoft Word 2013 Microsoft Word 2013