SNL-160061002.4GHz Radio Control Receiver

FCC INFORMATION This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. RF Exposure: A distance of 20 cm shall be maintained between the antenna and users, and the transmitter may not be co-located with any other transmitter or antenna.

Graupner CO.,Ltd Application for FCC ID: SNL-16006100 To whom it may concern: This communication port of this device is covered, and not for consumer use. Users cant upgrade the equipment. Possible country settings (if) referred to in the User Manual are not active / not implemented for the FCC version of this product. U.S. Users cannot bring the device out of compliance. Yours sincerely,

Graupner CO.,Ltd FCC Authorization Letter Number: CF304 Version: V03 Date: 01-08-2011 We, (the approval holder) Company name Graupner CO.,Ltd Address 202Dong 8th F,18, Bucheon-ro 198beon-gil, Wonmi-gu, City Bucheon-si, Gyeonggi-do Country Korea declare that the following representative (agent): Name (person) Tony Wu Company name Bontek Compliance Laboratory Co., Ltd. Address 1/F, Block East H-3,OCT Eastern Ind. Zone, Qiaocheng East Road, Nanshan, City Shenzhen,Guangdong Country China is hereby authorized to apply the following equipment for certification on our behalf: Product Description 2.4GHz Radio Control Receiver Type or Model(s) GR-18+3xG+3A+Vario, GR-18+3xG+3A,GR-18L+3xG+3A+Vario, GR-18L+3xG+3A Tradename or Brand(s) HoTT We also authorize Teleconformity (Mr. M. Koop, Manager Certification, Address: Rietven 31, 7534NH Enschede, the Netherlands) to apply and sign this application for certification, registration or filing on our behalf (as representative agent or certifier). Attestation: City and Country: Date: Name: (this must be a person) Function:Signature: (or official company stamp) SHEN ZHEN 2014-04-01 Durk Churl Gahng manager

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External Photographs EUT –Front View EUT – Rear View Antenna location EUT – Side View

FCCID LABEL Location FCCID LABEL Location

Internal Photographs EUT - Open View EUT - PCB View EUT - PCB View

Radio Frequency Exposure Report On Behalf of Graupner CO.,Ltd FCC ID: SNL-16006100 Product Description: 2.4GHz Radio Control Receiver Model No.: GR-18+3xG+3A+Vario Supplementary Model: GR-18+3xG+3A,GR-18L+3xG+3A+Vario, GR-18L+3xG+3A Prepared for: Graupner CO.,Ltd 202Dong 8 th F,18, Bucheon-ro 198beon-gil, Wonmi-gu, Bucheon- si, Gyeonggi-do, Korea Prepared by: Bontek Compliance Testing Laboratory Ltd 1/F, Block East H-3, OCT Eastern Ind. Zone, Qiaocheng East Road, Nanshan, Shenzhen, China Tel: 86-755-86337020 Fax: 86-755-86337028 Report No.: BCT14CR055E-1 Issue Date: March 31, 2014 Test Date: March 12~ 31, 2014 Tested by: Reviewed by: Lion Cai Owen Yang Approved by: Kendy Wang Report No.: BCT14CR055E -1 Page 2 of 5 TABLE OF CONTENTS 1 - GENERAL INFORMATION ....................................................................................................................... 3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ........................................................................................ 3 1.2 OBJECTIVE ................................................................................................................................................................. 3 1.3 GENERAL DESCRIPTION OF TEST .................................................................................................................................. 4 1.4 HUMAN EXPOSURE ASSESSMENT RESULTS ................................................................................................................... 4 Report No.: BCT14CR055E -1 Page 3 of 5 1 - GENERAL INFORMATION 1.1 Product Description for Equipment Under Test (EUT) Applicant: Graupner CO.,Ltd Address of Applicant: 202Dong 8 th F,18, Bucheon-ro 198beon-gil, Wonmi-gu, Bucheon-si, Gyeonggi-do, Korea Manufacturer 1: SJ Technology(Shenzhen)Co.,Ltd Address of manufacturer: F6, 1 Bldg, A Area, Yintianxifa Industrial Area, Xixiang Town, Baoan District Shenzhen, Guangdong Province, China Manufacturer 2: Graupner CO.,Ltd Address of Manufacturer: 202Dong 8 th F,18, Bucheon-ro 198beon-gil, Wonmi-gu, Bucheon-si, Gyeonggi-do, Korea General Description of E.U.T Items Description EUT Description: 2.4GHz Radio Control Receiver Model No.: GR-18 +3xG+3A+Vario Trade Name: HoTT Supplementary Model: GR-18+3xG+3A,GR-18L+3xG+3A+Vario, GR-18L+3xG+3A Frequency Band: 2404.056 MHz ~ 2474.025 MHz Number of Channels: 70 Type of Modulation: FHSS Antenna Gain: 1.5dBi Antenna Type: Integral Antenna Rated Voltage: Input: DC 3.6V~8.4V, Approx 70mA Adapter description: Model: N/A Input: N/A Output: N/A Remark: * The test data gathered are from the production sample provided by the manufacturer. * Supplementary models have the same circuit, but with different appearance 1.2 Objective The objective of the following report is used to demonstrate that EUT operated in a manner that ensures the public is not exposed to radio frequency energy levels in excess of the relative provisions of FCC 47CFR Part 1.1307 Report No.: BCT14CR055E -1 Page 4 of 5 1.3 General Description of Test Items Description EUT Frequency band FHSS: 2.400GHz ~ 2.483GHz WLAN: 2.400GHz ~ 2.483GHz WLAN: 5.18GHz ~ 5.32GHz / 5.50GHz ~ 5.70GHz WLAN: 5.745GHz ~ 5825GHz Others: __________________________ Device category Portable (<20cm separation) Mobile (>20cm separation) Others __________________________ Exposure classification Occupational/Controlled exposure (S = 5mW/cm2) General Population/Uncontrolled exposure (S=1mW/cm 2 ) Others: __________________________ Antenna diversity Single antenna Multiple antennas: Tx diversity Rx diversity Tx/Rx diversity Max. output power 11.90dBm (0.0155W) Antenna gain (Max) 1.5dBi (Numeric gain:1.41) Evaluation applied MPE Evaluation SAR Evaluation Note: 1. The maximum output power is 11.90dBm (0.0155W) at 2474.025MHz (with 1.41 numeric antenna gain.) 2. For mobile or fixed location transmitters, no SAR consideration applied. The minimum separation generally be used is at least 20 cm, even if the calculations indicate that the MPE distance would be lesser. 1.4 Human Exposure Assessment Results Report No.: BCT14CR055E -1 Page 5 of 5 EUT parameter (data from the separate report) Given Where G: numerical gain of transmitting antenna; TP: Transmitted power in watt; d: distance from the transmitting antenna in meter Max average output power in Watt (TP) 19.23dBm (0.0838W) Antenna gain (G) 1.5 dBi (Numeric gain: 1.41 Exposure classification S=1mW/cm 2 Minimum distance in meter (d) (from transmitting structure to the human body) 20cm (0.2m) Yields 2 30 3770 xPxG S d = , P=0.0155W, G=1.41, d=0.2 S=0.0043mW/cm 2 Or 30xPxG d= 3770S , S=1, P=0.0155W, G=1.41 d=0.0132m Conclusion: S=0.0043mW/cm 2 is significant lower than the General Population Exposure Power Density Limit 1mW/cm 2 or except the distance when human body proximity to the antenna is less than1.32cm then will reach the General Population Exposure Power Density Limit (For mobile or fixed location transmitters, the maximum power density is 1.0 mW / cm 2 even if the calculation indicates that the power density would be larger.)

Test Report of FCC CFR 47 Part 15 Subpart C On Behalf of Graupner CO.,Ltd FCC ID: SNL-16006100 Product Description: 2.4GHz Radio Control Receiver Model No.: GR-18 +3xG+3A+Vario Supplementary Model: GR-18+3xG+3A,GR-18L+3xG+3A+Vario, GR-18L+3xG+3A Prepared for: Graupner CO.,Ltd 202Dong 8 th F,18, Bucheon-ro 198beon-gil, Wonmi-gu, Bucheon- si, Gyeonggi-do, Korea Prepared by: Bontek Compliance Testing Laboratory Co., Ltd 1/F, Block East H-3, OCT Eastern Ind. Zone, Qiaocheng East Road, Nanshan, Shenzhen, China Tel: 86-755-86337020 Fax: 86-755-86337028 Report No.: BCT14CR055E Issue Date: March 31, 2014 Test Date: March 12~ 31, 2014 Tested by: Reviewed by: Lion Cai Owen Yang Approved by: Kendy Wang Report No.: BCT14CR055E Page 2 of 42 FCC ID: SNL-16006100 TABLE OF CONTENTS 1. GENERAL INFORMATION .................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ......................................................................... 4 1.2 RELATED SUBMITTAL(S) / GRANT (S) AND TEST METHODOLOGY ....................................................................... 4 1.3 TEST FACILITY ...................................................................................................................................................... 5 2. SYSTEM TEST CONFIGURATION ...................................................................................................................... 6 2.1 EUT CONFIGURATION .......................................................................................................................................... 6 2.2 EUT EXERCISE ..................................................................................................................................................... 6 2.3 GENERAL TEST PROCEDURES ............................................................................................................................. 6 2.4 MEASUREMENT UNCERTAINTY ............................................................................................................................. 6 2.5TEST EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 3. SUMMARY OF TEST RESULTS .......................................................................................................................... 7 4. TEST OF AC POWER LINE CONDUCTED EMISSION.................................................................................... 8 4.1 APPLICABLE STANDARD ....................................................................................................................................... 8 4.2 TEST SETUP DIAGRAM ......................................................................................................................................... 8 4.3 TEST RESULT ....................................................................................................................................................... 8 5. TEST OF HOPPING CHANNEL BANDWIDTH .................................................................................................. 9 5.1 APPLICABLE STANDARD ....................................................................................................................................... 9 5.2 EUT SETUP .......................................................................................................................................................... 9 5.3 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................... 9 5.4 TEST PROCEDURE ................................................................................................................................................ 9 5.5 TEST RESULT ....................................................................................................................................................... 9 6. TEST OF HOPPING CHANNEL SEPARATION ............................................................................................... 12 6.1 APPLICABLE STANDARD ..................................................................................................................................... 12 6.2 EUT SETUP ........................................................................................................................................................ 12 6.3 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................. 12 6.4 TEST PROCEDURE .............................................................................................................................................. 12 6.5 TEST RESULT ..................................................................................................................................................... 12 7. TEST OF NUMBER OF HOPPING FREQUENCY ........................................................................................... 15 7.1 APPLICABLE STANDARD ..................................................................................................................................... 15 7.2 EUT SETUP ........................................................................................................................................................ 15 7.3 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................. 15 7.4 TEST PROCEDURE .............................................................................................................................................. 15 7.5 TEST RESULT ..................................................................................................................................................... 15 8. TEST OF DWELL TIME OF EACH FREQUENC…

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Test Setup Photos Radiated emission below 30MHz Radiated emission 30MHz~1GHz Radiated emission above 1GHz