S7A-SP21Motorcycle Bluetooth Communication System

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SENA TECHNOLOGIES.Inc 40, Maeheon-ro, Seocho-gu, Seoul, Korea. May 21st, 2015 Applicant: SENA TECHNOLOGIES.Inc FCC ID: S7A-SP22 We, SENA TECHNOLOGIES declare the following, This product will not be available to be used data communication via PC, will be used charging function only. Sincerely, Seunhyun Kim Reasearch Engineer

Sena Technologies,Inc. 210 Yangjae-dong Seocho-gu Seoul 137-130 Korea Date: May 06, 2015 Timco Engineering, Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, Florida 32669 USA DECLARATION FOR ADDITIONAL FREQUENCY HOPPING REQUIREMENTS To whom it may concern: We hereby declare that the device of S7A-SP21 meet following FCC requirements of the Section 15.247(a)(1) : 1. The hopping sequence is pseudorandom. 2. All channels are used equally on average. 3. The receiver input bandwidth approximately equal the transmit bandwidth. 4. The receiver hop in sequence with the transmit signal. Sincerely, Seunghyun Kim Reasearch Engineer

Sena Technologies,Inc. 210 Yangjae-dong Seocho-gu, Seoul, South Korea, 137-130 Date: May. 06, 2015 Timco Engineering, Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, Florida 32669 USA RE: Request of Confidentiality for FCCID: S7A-SP21 To Whom It may Concern: Pursuant to Sections 0.457 and 0.459 of the Commission`s Rules(CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, Sena Technologies,Inc. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give Sena Technologies,Inc. temporary confidentiality of commercially sensitive information prior to product release. The requested permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT & SHORT-TERM CONFIDENTIAL LIST Exhibit Description PERMANENT 1 Block Diagram 2 Schematics 3 Operational Description 4 Part Lists SHORT-TERM 5 External Photos 6 Internal Photos 7 Test-Setup Photos 8 User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Seunghyun KIM Reasearch Engineer

Sena Technologies,Inc. 210 Yangjae-dong Seocho-gu, Seoul, South Korea, 137-130 Date: May.06, 2015 Timco Engineering, Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, Florida 32669 USA Letter of Authorization We, the undersigned, hereby authorize Harvey Sung of DT&C Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: S7A-SP21 including signing of all documents relating to these matters. Any and all acts carried out by Harvey Sung of DT&C Co., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from Sena Technologies,Inc. “I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a).” Sincerely, Seunghyun KIM Reasearch Engineer

FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page1 / 11 View 1 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page2 / 11 View 2 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page3 / 11 View 3 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page4 / 11 View 4 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page5 / 11 View 5 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page6 / 11 View 6 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page7 / 11 View 7 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page8 / 11 View 8 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page9 / 11 View 9 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page10 / 11 View 10 FCCID:S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page11 / 11 View 11

CAM350 V 10.1.0 : Tue Nov 04 09:03:11 2014 - (Untitled)

FCC ID: S7A-SP21 IC: 8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. SAMPLE LABEL & LOCATION LABELLING REQUIREMENTS The Label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time of purchase - The FCC label shown is representative of the label that will appear on the radio when in production. Other information may also be included on this label. - The device is so small that it is not practicable to place the statement specified under 15.19 statement requests, The information required by this paragraph shall be placed in a prominent location in the user manual.

FCC ID: S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page 1 / 7 View 1 FCC ID: S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page 2 / 7 View 2 FCC ID: S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page 3 / 7 View 3 FCC ID: S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page 4 / 7 View 4 FCC ID: S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page 5 / 7 View 5 FCC ID: S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page 6 / 7 View 6 <Bluetooth & Bluetooth LE Antenna> FCC ID: S7A-SP21 IC:8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Page 7 / 7 View 7 <Antenna Location>

SPECIFICATION External Antenna Model No. : SENA-DP02-19 (External Type) WRITTEN CHECKED APPROVED April. 20, 2015 Notes The contents of this data sheet are subject to change without notice. Please confirm the specifications and delivery conditions when placing your order. - 2 - External ANTENNA 1. SPECIFICATIONS 1.1. Electrical Specifications ITEM SPEC. Unit Frequency 2400-2485 MHz Bandwidth @ VSWR 2.5:1 100 MHz Gain @ 2442MHz 1.2. dBi Polarization Linear Azimuth Beam Pattern Omni-directional Impedance 50 Ω ※ These values are measured on the matched reference test board. 1.2. Mechanical Specifications Electrode Copper Dimensions (L x W x H) 27x40x0.4 mm Operating Temperature -35 ~ +85 °C 1.3. Appearance and Dimensions L(가로) 19 W(세로) 105 H(높이) 0.4 L W - 3 - External ANTENNA 2. MEASUREMENT 2.1. Electrical Characteristic A. S 11 (Return Loss) B. (Smith Chart) - 4 - External ANTENNA 3. Radiation Data Frequency Efficiency Average Gain Max Gain Max Position Directivity Ver Hor Total Ver Hor Total 2400.000000 MHz 32.5 % -6.2 dBi -5.8 dBi -4.9 dBi -1.0 dBi 0.5 dBi 0.5 dBi Theta90/Pie240 4.42 dB 2442.000000 MHz 35.4 % -6.3 dBi -5.3 dBi -4.5 dBi -1.6 dBi 0.6 dBi 0.6 dBi Theta75/Pie255 4.11 dB 2485.000000 MHz 42.8 % -6.8 dBi -4.4 dBi -3.7 dBi -1.6 dBi 1.2 dBi 1.3 dBi Theta75/Pie270 3.97 dB - 5 - External ANTENNA 4. RELIABILITY TEST No Item Test condition Test Requirements 1 Thermal Shock (Temperature Cycle) 1. 1 cycle / step 1 : -40 ± 3°C, 30 min step 2 : +85 ± 3°C, 30 min 2. Number of cycle : 10 3. Measure after left for 48 hrs min. at room temperature 1. No visual damage 2. VSWR satisfy 2 High Temperature Resistance 1. Temperature : +85 ± 5°C 2. Time : 96 hrs 3. Measure VSWR C after left for 24 hrs min. at room temperature 1. No visual damage 2. VSWR satisfy 3 Low Temperature Resistance 1. Temperature : -40 ± 5°C 2. Time : 96 hrs 3. Measure VSWR C after left for 48 hrs min. at room temperature 1. No visual damage 2. VSWR satisfy 4 Humidity (Steady Condition) 1. Humidity : 85 % RH 1. Temperature : +85 ± 3°C 2. Time : 96 hrs 3. Measure VSWR C after left for 48 hrs min. at room temperature 1. No visual damage 2. VSWR satisfy 5 ESD 1. ESD Level : 8KV 2. Mode : Contact discharge 3. Number of cycle : 100 ※ Used Ref test PCB. 1. No visual damage 2. VSWR satisfy

FCC ID: S7A-SP21 IC: 8154A-SP21 DTNC1503-01441, DTNC1503-01444 Report No.: DRTFCC1505-0095(1) TRF-RF-212(03)140515 Page 2 / 80 Copyright ○ C 2015, DT&C Co., Ltd. Test Report Version Test Report No. Date Description DRTFCC1505-0095 May. 12, 2015 Initial issue DRTFCC1505-0095(1) May. 20, 2015 Add AVG Conducted Output Power FCC ID: S7A-SP21 IC: 8154A-SP21 DTNC1503-01441, DTNC1503-01444 Report No.: DRTFCC1505-0095(1) TRF-RF-212(03)140515 Page 3 / 80 Copyright ○ C 2015, DT&C Co., Ltd. Table of Contents 1.General Information ................................................................................................................ 5 1.1. Testing Laboratory .......................................................................................... 5 1.2. Details of Applicant ......................................................................................... 5 1.3. Description of EUT .......................................................................................... 5 1.4. Declaration by the manufacturer .................................................................... 5 1.5. Information about the FHSS characteristics: ................................................ 6 1.6. Test Equipment List ........................................................................................ 7 1.7. Summary of Test Results ................................................................................ 8 1.8 Conclusion of worst-case and operation mode .............................................. 9 2. Transmitter Radiated Spurious Emissions and Conducted Spurious Emission .......... 10 2.1. Test Setup ...................................................................................................... 10 2.2. Limit ................................................................................................................ 10 2.3. Test Procedures............................................................................................. 11 2.3.1. Test Procedures for Radiated Spurious Emissions................................ 11 2.3.2. Test Procedures for Conducted Spurious Emissions ............................ 11 2.4. Test Results ................................................................................................... 12 2.4.1. Radiated Emission .................................................................................... 12 2.4.2. Conducted Spurious Emissions .............................................................. 15 3. Carrier Frequency Separation............................................................................................. 39 3.1.Test Setup ..................................................................................................... 39 3.2. Limit ................................................................................................................ 39 4.Number of Hopping Frequencies ........................................................................................ 44 4.1.Test Setup ..................................................................................................... 44 4.2. Limit ................................................................................................................ 44 5. 20dBc BW .............................................................................................................................. 50 5.1. Test Setup ...................................................................................................... 50 5.2. Limit ................................................................................................................ 50 5.3. Test Procedure .............................................................................................. 50 5.4. Test Results ................................................................................................... 50 6. Time of Occupancy (Dwell Time) ........................................................................................ 56 6.1. Test Setup ...................................................................................................... 56 6.2. Limit ................................................................................................................ 56 6.3. Test Procedure .............................................................................................. 56 6.4. Test Results ................................................................................................... 56 7. Maximum Peak Output Power Measurement .................................................................... 61 7.1. Test Setup ...................................................................................................... 61 7.2. Limit ................................................................................................................ 61 7.3. Test Procedure ............................................................................................... 61 7.4. Test Results ................................................................................................... 62 FCC ID: S7A-SP21 IC: 8154A-SP21 DTNC1503-01441, DTNC1503-01444 Report No.: DRTFCC1505-0095(1) TRF-RF-212(03)140515 Page 4 / 80 Copyright ○ C 2015, DT&C Co., Ltd. 8. Transmitter AC Power Line Conducted Emission ............................................................ 68 8.1. Test Setup ...................................................................................................... 68 8.2. Limit ................................................................................................................ 68 8.3. Test Procedures ............................................................................................. 68 8.4. Test Results ................................................................................................... 69 9. Antenna Requirement .......................................................................................................... 71 10. Occupied Bandwi…

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MHzmm = Typical Power: ± =[ / ]*[√ ] = Thus SAR for this device is not required. [Threshold at 50 mm in step 1) + (test separation distance - 50 mm)·( f(MHz)/150)] mW [Threshold at 50 mm in step 1) + (test separation distance - 50 mm)·10] mW 30 Step 2-1) SAR test exclusion thresholds for 100MHz to 1500MHz at test separationn distances > 50 mm = N/A 0.52 ≤ 3, for 1g SAR Copyright Ⓒ 2015, DT&C Co., Ltd. Step 2-2) SAR test exclusion thresholds for 1500MHz to 6GHz at test separationn distances > 50 mm = N/A 2480 - Min. test separation distance = mW 9.78 10.00 dBm - Min. transmitting frequency = dB 8.00 dBm 2.00 dBm Measured Average Power: S7A-SP21 10.00 2.48 30 - Max. power with turn-up tolerance = 10 Used Step 1) SAR test exclusion thresholds for 100MHz to 6GHz at te st separationn distances ≤ 50 mm = [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] FCC ID : Standalone SAR test exclusion considerations May 18, 2015

FCC ID: S7A-SP21 IC: 8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Test Setup photographs EUT Position: X-axis EUT Position: Y-axis EUT Position: Z-axis FCC ID: S7A-SP21 IC: 8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (0.009 ~ 30 MHz) FCC ID: S7A-SP21 IC: 8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (below 1000 MHz) FCC ID: S7A-SP21 IC: 8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (Above 1 GHz) FCC ID: S7A-SP21 IC: 8154A-SP21 Copyright Ⓒ 2015, DT&C Co., Ltd. Test Setup Photo for AC Conducted Emissions