X9PBKB83B2Tablet Case with Bluetooth� Keyboard

USE Manual 1、Contents 1.1、Bluetooth keyboard 1PCS 1.2、IPAD leather protective case 1PCS 1.3、Instruction manual 1PCS 1.4、USB Charging cable 1PCS 2、 Product Features 2.1、use Broadcom20730 main control chip, have Bluetooth3.0 interface； 2.2、industry leading bluetooth solutions, WIDCOMM BTW (Microsoft officially designated software) bluetooth software； 2.3、built-in power management software, can be in Microsoft's Windows system automatically usable capacity； 2.4、Put the magnet between the keyboard and leather case. The keyboard and leather case can be separated use； 2.5、IPAD Mini keyboard and leather case,exclusive design for IPAD； 2.6、Mute design: effectively avoid other person sleeping(especially for one room with several person)； 2.7、Architecture design, provides comfortable handling feel； 2.8、Caps lock signal helps in capital letters writing； 2.9、Support Iphone,Mac,Windows and Android system etc.It’s more convenient for you； 3、 Specifications 3.01、executive standard: bluetooth V3.0 3.02、maximum operating distance: 10 meters 3.03、modulation mode: 2.4 G straight sequence fh (FHSS) 3.04、transmit power: Class 2 levels 3.05、working voltage: 3.7V 3.06、working current: 2.0 MA 3.07、standby current: 1.0 MA 3.08、sleep current: 250uA 3.09、charging current: 150MA 3.10、standby time: 38days 3.11、theoretical use time: 27days 3.12、continuous uninterrupted use time: 110hours 3.13、theoretical charging time: 2.5 hours 3.14、lithium battery capacity: 230mAh 3.15、lithium battery life span: three years 3.16、the lithium battery type: 4.0 * 20 * 35MM 3.17、the key dynamics: 60 + 10g 3.18、buttons life: 5 million times 3.19、operation temperature: 0-55 °C 3.20、storage temperature: - 20-70 °C 4、Iphone Keyboard and IPAD or Iphone setting 4.1、Built in lithium battery with bluetooth and connect with IPAD,mobilephone or PC. 4.1.1、Below information will show you how to using,setting and charing. 4.2、POWER ON/OFF 4.2.1、Turn On the keyboard:Press the button of power about 0.5second. 4.2.2、Turn off:turn on the keyboard,then press the Power Button around 0.5 seconds.The blue light flash rapidly 3 times.The keyboard be turned off. 4.3、Indicator 4.3.1、The LED indicator on the keyboard show battery,state and charge.If you turn on the keyboard first time,the blue light of keyboard will light 5 seconds.The battery is good.After 5 seconds,if keyboard didn’ t match the IPAD,mobilephone and PC,the indicator will lighting-on/off in two seconds.The keyboard is seraching and ready to match IPAD,mobilephone and PC etc.(Match means wireless connect with IPAD,mobilephoe and PC,and ready to correspondence.) 4.3.2、If you don’t put the keyboard match the IPAD,mobilphone and PC etc within 10 minutes.The light of power and bluetooth will colsed.The keyboard be turned off. 4.3.3、The keyboard and IPAD,mobilephone and PC matched success,the blue light extinguishing. 4.3.4、When the keyboard and IPAD,mobilephone and PC match success and can use.If you don’t use the keyboard over 15minutes,the keyboard access to sleeping.When you want to use the keyboard again,you just press any button ,then you can use it. 4.3.5、When you use the keyboard in the process,if the blue light flash in 0.5second,advise you the battary is less than 5%,you need charing. 4.3.6、Plug the charger into the charing interface.The red light on.If the battary is full enough,the red light will extinguish automatically. 4.3.7、When you use the keyboard in the process, you lock the capitals,the green light on,when you unlocked,the green light off. 4.4、the keyboard with new IPAD and IPHONE connection. 4.4.1、Press the Power button around 0.5 second,the keyboard will be turned on. 4.4.2、Click the setting button of IPAD and IPHONE,Then choose the General and bluetooth.The IPAD is searching bluetooth device. 4.4.3、After the IPAD and IPHNE find out the bluetooth device and connect the bluetooth keyboard(see blow picture),IPAD will advise you input the password. 4.4.4、Input the password according to the IPAD advise.Please note there are no advise during the input.Please make sure input correct and press enter button. 4.4.5、If IPAD and keyboard connect success.the indicator extinguished.Please don’t forget press Power Button three seconds to turn off the keyboard while you don’t use it. 4.5、keyboard with other IPAD or IPHONE connection. 4.5.1、After your keyboard connect with 1PCS of IPAD or IPHONE,you can connect with other IPAD or IPHONE .If your keyboard connected with IPAD or IPHONE over 10 meters(33 feet).Please according to item4.4. 4.5.2、If your keyboard connected with IPAD or IPHONE within 10 meters(33 feet).You must cut off the current connect first,then try to connect with other IPAD and Iphone. 4.5.3、Cut off the connection 4.5.3.1、Please touch the setting button on the connected IPAD and IPHONE.Choose the General and bluetooth. 4.5.3.2、Please find out the keyboard you want to remove in the bluetooth,then click(>)button,you will log into the bluetooth settings . 4.5.3.3、Choose Forget this device in the bluetooth settings,then click OK button. 4.5.4、If you want to the keyboard match with other IPAD or IPHONE.Please according to item4.4 4.6、The keyboard with new PC,MAC or mobilephone Connection. 4.6.1、The new PC,MAC or mobilephone setting procedure same as PC,MAC and mobilephone. 4.6.2、Please according to item4.4 to set the keyboard. 5、Charging When you use the keyboard in the process, the blue light of keyboard flash, right now your keyboard's electricity shortage, you should give your keyboard charging, charging steps as follows: 5.1、Please take charge line attached to the USB male seat end insert computer USB interface or USB interface of the IPAD charger, the other side is inserted into the USB charging interface, MINI5PIN keyboard. 5.2、When charging,the red light on, when the batteries charging full enough,the red indicator will cut off automatically. (theory charging time for 2.5 hours) 6、Keyboard and iPad hotkeys specifies Press this button can return home page, click on "IPAD FN" …

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20730 Block Diagram

FCC IC: X9PBKB83B2 Label Location on EUT FCC ID Label: Size: 20mm * 30 mm BLUETOOTH KEYBOARD M/N: M01200 FCC ID: X9PBKB83B2 SHENZHEN PAOLUY SILICONE TECHNOLOGY CO.,LTD Made in China

This device is Bluetooth keyboard. It work for almost all kind PC , the frequence is from 2.402GHz to 2.480GHz . The main chips is Broadcom BCM20730.building Li- polymer battery ,system with charger circuit by micro USB . The chip on-chip keyboard scanner is designed to autonomously sample keys and store them into buffer registers without requiring host microcontroller intervention. A state machine of three states (Idle, Scan, and Scan-End) controls the keyscan block. A 256 KB I2C interface EEPROM is used to store the firmware and configuration information. The antenna is a variation of the printed Fantenna and has characteristics similar to those of the F-antenna. The crystal oscillator requires a crystal with an accuracy of ±20 ppm as defined by the Bluetooth specification. Two external load capacitors in the range of 5 pF to 30 pF are required to work with the crystal oscillator. The BCM20730 has an integrated radio transceiver that is optimized for 2.4 GHz Bluetooth® wireless systems. It has been designed to provide low power, low cost, and robust communications for applications operating in the globally available 2.4 GHz unlicensed ISM band. It is fully compliant with Bluetooth Radio Specification 3.0 and meets or exceeds the requirements to provide the highest communication link quality of service. The Modulation Technology are GFSK(1Mbps), pi/4-DQPSK(2Mbps), 8-DPSK(3Mbps). The Bluetooth compliant is V3.0 Voltage supply: 3.7V The Charging power is DC 5V Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 00 2402 27 2429 54 2456 01 2403 28 2430 55 2457 02 2404 29 2431 56 2458 03 2405 30 2432 57 2459 04 2406 31 2433 58 2460 05 2407 32 2434 59 2461 06 2408 33 2435 60 2462 07 2409 34 2436 61 2463 08 2410 35 2437 62 2464 09 2411 36 2438 63 2465 10 2412 37 2439 64 2466 11 2413 38 2440 65 2467 12 2414 39 2441 66 2468 13 2415 40 2442 67 2469 14 2416 41 2443 68 2470 15 2417 42 2444 69 2471 16 2418 43 2445 70 2472 17 2419 44 2446 71 2473 18 2420 45 2447 72 2474 19 2421 46 2448 73 2475 20 2422 47 2449 74 2476 21 2423 48 2450 75 2477 22 2424 49 2451 76 2478 23 2425 50 2452 77 2479 24 2426 51 2453 78 2480 25 2427 52 2454 26 2428 53 2455

1 2 3 4 5 6 78 ABCD 8 7 6 5 4 3 2 1 D CBA Product Name Schematic Name Revision Page Date Drawing byAuthorize by ITON TECHNOLOGY Auditing by Li Mei Hai BT3GMD-B47PBT3GMD-B47P 1 of 1 1.0 20110617 RST_N G8 UART_TXD G5 UART_RXD H5 P28 B5 P29 A5 P30 E4 P31 E7 P34 B6 P35 D5 P36 C4 P37 C3 P0 F6 P1 G6 P2 H8 P3 F8 P4 H7 P5 E6 P6 F5 P7 C5 P8 F4 P9 A1 P10 D2 P11 C2 P12 B2 P13 F3 P14 D3 P15 A2 P16 C8 P17 H4 P18 C7 P19 B8 P20 A8 P21 C6 P22 G4 P23 E3 P24 A7 P25 B7 P26 A4 P27 B4 SCL E8 SDA F7 P32 D6 P33 D8 TMC G7 VSS D4 VSS1 E5 VDDO A6 VDDO1 D7 VDDC H6 VSS5 F2 VSS4 G2 VSS3 G1 VSS2 E2 XTALI32K A3 XTALO32K B3 XTALI H3 XTALO G3 RF F1 LDOIN B1 LDOOUT C1 VDDIF D1 VDDFE E1 VDDVCO H1 VDDPLL H2 BCM20730 A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 U2 24LC128 1 1 2 2 AA R7 2.7NH FB1 120@100MHZ FB2 120@100MHZ 1 3 2 4 Y1 24MHZ C1422PF C15 22PF C131.8PF C161.8PF C182.2PF C202.2PF XIN_32XOUT_32 P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31 P32 P33 P34 P35 P36 P37 SCL SDA UP_TX UP_RX REST R6 10K R3 10K R4 10K R5 10K VBAT C40.01UF C3 0.1UF VBAT SCLWPSDA R2 10K C5 0.1UF VBAT C6 2.2UF VBAT C2 1UF C1 0.1UF 1P2VC C7 0.01UF C8 10PF C9 0.01UF C19 0.01UF 1P2VC 1P2VRF R8 0R C22 2.2UF C21 2.2UF C11 1UF R13 0R 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 U1 BT3GMD-B47P GND GND P13 P8 P17 P22 UP_TX UP_RX P6 P0 P1 P5 P4 P2 P31 REST P3 SDA SCL P32 P16 P18 P19 P25 VBAT GND P20 P24 P21 P7 P29 P28 P27 P26 P36 P30 P38 P37 P15 P14 P12 P9 P23 P11 P10 GND GND C10 2.4NH

Page 1 FCC ID TEST REPORT for BLUETOOTH KEYBOARD MODEL: BKB83B2 Trade Mark: N/A FCC ID: X9PBKB83B2 Test Report Number: 12110930 Issued Date: December 12, 2012 Issued for SHENZHEN PAOLUY SILICONE TECHNOLOGY CO.,LTD Ath Building 5th floor. Forzen Industrial park. Fuyuan 2nd Road. Heping Village Fuyong Town.Baoan District .Shenzhen. China Issued By: SHENZHEN TIMEWAY TECHNOLOGY CONSULTING CO., LTD. 5/F,Block 4, Anhua Industrial Zone., No.8 Tairan Rd. Chegongmiao, Futian District Shenzhen, China TEL: +86-755-83448688 FAX: +86-755-83442996 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 2 of 64 TABLE OF CONTENTS 1 TEST CERTIFICATION.............................................................................................. 3 2 TEST RESULT SUMMARY ....................................................................................... 4 3 EUT DESCRIPTION ....................................................................................................... 5 4 TEST METHODOLOGY ............................................................................................. 6 4.1. DECISION OF FINAL TEST MODE...................................................................................... 6 4.2. EUT SYSTEM OPERATION ................................................................................................. 6 5 SETUP OF EQUIPMENT UNDER TEST.................................................................... 7 5.1. DESCRIPTION OF SUPPORT UNITS ................................................................................. 7 5.2. CONFIGURATION OF SYSTEM UNDER TEST .................................................................. 7 6 FACILITIES AND ACCREDITATIONS ...................................................................... 8 6.1. FACILITIES ........................................................................................................................... 8 6.2. MEASUREMENT UNCERTAINTY........................................................................................ 9 7 TEST REQUIREMENTS........................................................................................... 10 7.1. CONDUCTED EMISSION MEASUREMENT...................................................................... 10 7.2. Radiation Emission Test ..................................................................................................... 14 7.3. Band edge test .................................................................................................................... 20 7.4. Peak Power......................................................................................................................... 27 7.5. 20dB Bandwidth .................................................................................................................. 33 7.6. Channel Number（Number of Hopping Frequency）......................................................... 38 7.7. Channel Separation（Carrier Frequency Separation）...................................................... 41 7.8. Dwell Time（Time of Occupancy）.................................................................................... 47 7.9. transmitter Spurious Emission （Conducted）.................................................................. 53 8. ANTENNA REQUIREMENT................................................................................................ 58 9 PHOTOGRAPHS OF THE TEST CONFIGURATION .............................................. 59 10 PHOTOGRAPHS OF EUT ....................................................................................... 60 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 3 of 64 1 TEST CERTIFICATION Product: BLUETOOTH KEYBOARD Model: BKB83B2 Trade Mark N/A Applicant: Shenzhen Paoluy Silicone Technology Co., Ltd. Ath Building 5th floor, Forzen Industrial Park, Fuyuan 2nd Road, Heping Village Fuyong Town, Baoan District, Shenzhen, China Factory: Shenzhen Paoluy Silicone Technology Co., Ltd. Ath Building 5th floor, Forzen Industrial Park, Fuyuan 2nd Road, Heping Village Fuyong Town, Baoan District, Shenzhen, China Tested: November 24, 2012~ December 10, 2012 Test Voltage: AC 120V/60Hz Applicable Standards: FCC Part 15 Subpart C: 2011 ANSI C63.4:2003 The above equipment has been tested by SHENZHEN TIMEWAY TECHNOLOGY CONSULTING CO., LTD. and found compliance with the requirements set forth in the technical standards mentioned above. The results of testing in this report apply only to the product/system, which was tested. Other similar equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. Tested By: Date: 2012-12-12 (Brown Lu) Check By: Date: 2012-12-12 (Terry Tang) Approved By: Date: 2012-12-12 (Jack Chung) Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 4 of 64 2 TEST RESULT SUMMARY Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS 15.247(a)(1) Hopping Channel Separation PASS 15.247(b)(1) Peak Output Power PASS 15.247(c) Radiated Spurious Emission PASS 15.247(a)(iii) Number of Hopping Frequency PASS 15.247(a)(iii) Dwell Time PASS 15.247(a)(1) Bandwidth PASS 15.205 Band Edge Emission PASS 15.203 Antenna Requirement PASS NOTE: ” N/A” denotes test is not applicable in this Test Report The test result judgment is decided by the limit of test standard The information of measurement uncertainty is available upon the customer’s request. All the modes have been investigated, and only worst mode is presented in this report. Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 5 of 64 3 EUT DESCRIPTION Product BLUETOOTH KEYBOARD Trade Mark N/A Model BKB83B2 Applicant SHENZHEN…

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Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 31 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 32 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 33 of 64 7.5. 20dB Bandwidth Maximum 20dB RF Bandwidth, FCC Rule 15.247(a) (1): The antenna port of the EUT was connected to the input of a spectrum analyzer. Analyzer RBW was chosen so that the display was a result of the hopping channel modulation. For each RF output channel investigated, the spectrum analyzer center frequency was set to the channel carrier. Use the spectrum 20dB down delta function to measure the bandwidth. 20dB Bandwidth（MHz） Frequency（MHz） GFSK π/4-DQPSK 8DPSK 2402 0.8443 1.274 1.272 2441 0,8478 1.270 1.252 2480 0.8469 1,284 1.275 GFSK:CH00 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 34 of 64 GFSK:CH39 GFSK:CH78 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 35 of 64 π/4-DQPSK:CH00 π/4-DQPSK:CH39 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 36 of 64 π/4-DQPSK:CH78 8DPSK:CH00 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 37 of 64 8DPSK:CH39 8DPSK:CH78 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 38 of 64 7.6. Channel Number（Number of Hopping Frequency） Minimum Number of Hopping Frequencies, FCC Rule 15.247(a) (1) (iii): The RF passband of the EUT was divided into 5 approximately equal bands. With the analyzer set to MAX HOLD reading were taken for 2-3 minutes. The channel peaks so recorded were added together, and the total number compared to the minimum number of channels required in the regulation. Number of hopping channels = 79 Modulation type: GFSK Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 39 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 40 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 41 of 64 7.7. Channel Separation（Carrier Frequency Separation） Minimum Hopping Channel Carrier Frequency Separation, FCC Ref: 15.247(a)(1): Using the DELTA MARKER function of the analyzer, the frequency separation between two adjacent channels was measured and compared against the limit: Modulation type: GFSK Channel frequency (MHz) Separation Read Value (kHz) Separation Limit 2/3 20dB Down BW(kHz) 2402 1032.50 >562.87 2441 980.000 >565.21 2480 1015.00 >564.60 GFSK CH00 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 42 of 64 GFSK CH39 GFSK CH78 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 43 of 64 Modulation type: π/4- DQPSK Channel frequency (MHz) Separation Read Value (kHz) Separation Limit 2/3 20dB Down BW(kHz) 2402 997.5 >849.33 2441 962.5 >846.67 2480 997.5 >856.00 π/4- DQPSK CH00 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 44 of 64 π/4- DQPSK CH39 π/4- DQPSK CH78 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 45 of 64 Modulation type: 8DPSK Channel frequency (MHz) Separation Read Value (kHz) Separation Limit 2/3 20dB Down BW(kHz) 2402 997.5 >848.00 2441 980.0 >834.67 2480 1015.0 >850.00 8DPSK CH00 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 46 of 64 8DPSK CH39 8DPSK CH78 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 47 of 64 7.8. Dwell Time（Time of Occupancy） Average Channel Occupancy Time, FCC Ref: 15.247(a)(1)(iii): The Spectrum analyzer center frequency was set to one of the known hopping channels. The SWEEP was set to 10ms, the SPAN was set to ZERO SPAN, and the TRGGER was set to VIDEO. The time duration of the transmissions so captured was measured with the MARKER DELTA function. The SWEEP was then set to the time required by the regulation （0.4s x number of hopping channels employed for 2400-2483.5 MHz）. The analyzer was set to SINGLE SWEEP, the total ON time was added and compared against the limit （0.4s） The maximum number of hopping channels in 31.6s for DH1=1600 / 2 / 79 * 31.6=320 The maximum number of hopping channels in 31.6s for DH3=1600 / 4 / 79 * 31.6=160 The maximum number of hopping channels in 31.6s for DH5=1600 / 6 / 79 * 31.6=107 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 48 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 49 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 50 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 51 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 52 of 64 Report No.: 12110930 Issued: December 12, 2012 Revised: None FCC ID: X9PBKB83B2 TRF No.: FCC PART 15C-15.247/A0 Page 53 of 64 7.9. transmitter Spurious Emission （Conducted） Average Channel Occupancy Time, FCC Ref: 15.247(a)(1)(iii): All spurious emission and up to the tenth harmonic was measured and they were found to be at least 20 dB below the highest…

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CONDUCTED EMISSION TEST RADIATED EMISSION TEST