EP9-TMXM05Jmodular

M05J User muanal 1.General Description 1.1.
Overview The RTL8762CK (hereafter referred to as the RTL8762C except where differences exist) is an ultra-low-power system on-chip solution for Bluetooth 5.0 low energy applications that combines the excellent performance of a leading RF transceiver with a low-power ARM Cortex-M4F and rich powerful supporting features and peripherals. The RTL8762C supports an analog MIC interface that integrates a sigma-delta ADC, programmable gain amplifier, 5-Band equalizer and microphone bias circuit for voice command application. The RTL8762C embeds IR transceiver, hardware key-scan, and Quad-decoder on a single IC, and is provided in a QFN package. 1.2. MCU Platform The embedded ARM Cortex-M4F 32-bit CPU features a 16-bit instruction set with 32-bit extensions (Thumb-2® technology) that delivers high-density code with a small memory footprint. By using a single-cycle 32-bit multiplier, a 3-stage pipeline, and a Nested Vector Interrupt Controller (NVIC), the ARMCortex-M4F makes program execution simple and highly efficient. Serial Wire Debug (SWD) interface provided as part of the Debug Access Port (DAP), in conjunction with the Basic Branch Buffer (BBB). This offers a flexible and powerful mechanism for non-intrusive program code debugging. Developers can easily add breakpoints in the code and perform single-step debugging. The RTL8762C memory architecture includes ROM, 160kByte RAM and 8MByte Flash Address Space. The 160kByte RAM consists of RAM1 (112kByte Data RAM), RAM2 (8kByte Cache Shared RAM), RAM3 (8kByte Cache Shared RAM), and RAM4 (32kByte Buffer RAM). All the RAM regions can be used to execute code and hold data. Flash Address Space is a virtual space which is mapped to external Flash to extend the code space in XIP (eXecute In Place) mode. 2. Features General Ultra low power consumption with intelligent PMU Supports Bluetooth 5.0 core specificati on  Supports 2Mbps LE LE advertising Extensions LE Long Range Additional Adv channel Channel Selecti on #2  High Duty Cycle Non-Connectable A dv  Direction Find – Connection mode AoA/AoD Integrated MCU to execute Bluetooth protocol stac k Supports multiple level Low Energy states Supports LE L2CAP Connection Oriented Channel Suppor t  Supports LE low duty directed advertisi ng  Supports LE data length extension feature Supports OTA (Over-the-Air) programming mechanism for firmware upgrade Supports GAP, ATT/GATT, SMP, L2CAP Generic Applications for GAP Central, Peripheral, Observer and Broadcaster Rol es P latform ARM Cortex-M4 with floating-point unit (Maximum 40MHz) Serial flash controller (One and Qual-bits mode) with 16kB 4-way cache. Total 160kB SRAM 4Kbits eFUSE for manufacturer u se  Supports AES128/192/256 encrypt/decrypt engine Bluetooth Transceiver RX sensitivity: -97dBm BLE(min) Fast AGC control to improve receiving dynamic range Supports Bluetooth Low Energy PHY P eripheral Interfaces Flexible General Purpose I Os R TL8762CK: 32GPIOs (max) Hardware Keyscan and Quad-decoder Embedded IR transceiver Real-Time Counters (RTC)  Supports generic 4-wire SPI master/slav e  Supports 8 channel Low power comparator 400ksps, 12bit, 8channel AUXADC Timers x 8 I2C x 2  PWM x 8  UART x 2 I2S/PCM interface for external audio cod ec  Supports I8080 interface for LCD  Supports external 40MHz XTAL without capacitor (in limited condition) Supports external 32.768kHz XTAL without capacitor (in limited condition) Support embedded internal 32K RCOSC to keep BLE link (in limited condition) Embedded PGA and audio ADC with 5-band EQ for analog MIC interf ace P ackage RTL8762CK: 48-pin 6x6mm QFN 2.Electrical specifications Core module RTL8762CK MCU core ARM Cortex-M4F 32-bit Flash 128Kb+128Mb LCD 1.3 Inch AMOLED 360×360 G- sensor STK8321 TP All touch BT Bluetooth 5. 0 (Bluetooth Low Energy or Bluetooth Smart) Motor SMD Off button FPC connection extension FPC external expansion function Heart rate + charging + side buttons Mechanical specifications Material PCB Module Size 38.8*32*0.6MM Opening SMD Protection Upon system Flammability FR4 Environmental specifications Operating temperature -20°C to +60°C Storage temperature -20°C to +60°C 3:Interface definition description FCC Regulatory notices Modification statement Timex Group USA, Inc. has not approved any changes or modifications to this device by the user. Any changes or modifications could void the user’s authority to operate the equipment. Interference statement This device complies with Part 15 of the FCC Rules and Indus try Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and ( 2) this device must accept any interference, including interference that may cause undesired operation of the device. RF exposure This equipment complies with FCC and ISE D radiation exposure limits set forth for an uncontrolled environment. The antenna should be installed and operated with minimum distance of 20 cm between the radiator and y our body. Antenna gain must be below 3 dBi. This transmitter must not be co-loc ated or operating in conjunction with any other antenna or transmitter. The host end product must include a user manual that clearly defines operating requirements and conditions that must be observed to ensure compliance with current FCC RF exposure guidelines. For portable devices, in addition to above, a separate approval is required to satisfy the SAR requirements of FCC Part 2.1093. If the device is used for other equipment that separate approval is required for all other operating configurations, including portable configurations with respect to 2.1093 and different antenna configurations. FCC Class B digital device notice 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 interfer…

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Timex Group USA, Inc. Agent Authorization C ompany: Timex Group USA, Inc. A ddress: 555 Christian Road, Middlebury, Connecticut, 06762-0310, United States P roduct Name: modular M odel Number(s): M05J, M05K P roduct Description: modular We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We dec lare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Jan. 17, 2020 Name: Sam Everett Title: Director Quality Assurance &Regulatory Company: Timex Group USA, Inc.

Timex Group USA, Inc. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Jan. 17, 2020 Subject; Request for Confidentiality FCC ID: EP9-TMXM05J To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Sam Everett Title: Director Quality Assurance &Regulatory

Model Difference Declaration To Whom It May Concern, We, Timex Group USA, Inc.(modular) Trademark:iConnect; Model Number: M05J, M05K; All model’s the function, software and electric circuit are the same, only with a product color and model named different for commercial purpose. Test sample model: M05J . Please contact me if you have any question. Name: Sam Everett Date: Jan. 17, 2020 Title: Director Quality Assurance &Regulatory Signature of applicant:

Timex Group USA, Inc. FCC Modular Approval Request Rev 2.1 Modular Transmitter Approval Request Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Company name: Timex Group USA, Inc. FCC ID: EP9-TMXM05J Dear Sir/Madam, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Equip Auth Guide v02’. FCC ID: EP9-TMXM05J has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly. No The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal. The modular transmitter have buffered modulation/data inputs. The module must contain power supply regulation on the module. The modular transmitter have its own power supply regulation. The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per §§ 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b). NO The module must demonstrate compliance in a stand-alone configuration. The module can be configured independently and meets the requirements The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (see KDB Publication 784748). The FCC ID on the product: EP9-TMXM05J The module must comply with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. The operationg requirements and instructions how to implement this module are described in the user manual. The module must comply with RF exposure requirements The module is Part 15 Low Power Communication Device Transmitter out power is 0.448 dBm(1.11mW), so the modular transmitter comply with any applicable RF exposure requirements. Name: Sam Everett Date: Jan. 17, 2020 Title: Director Qity Asualsurance &Regulatory Signature of applicant:

Annex A External Photos Report No.:HK1911112834-E/HK1911112835-E Page 1 of 1

FCC ID LABEL: Ca. 5mm x 10mm Include in manual: 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. Label Location FCC ID: EP9-TMXM05J

Annex B Internal Photo Report No.:HK1911112834-E/HK1911112835-E Page 1 of 2 Report No.:HK1911112834-E/HK1911112835-E Page 2 of 2 Antenna

Page 1 of 27 Report No.: HK1911112834-E FCC TEST REPORT Test report On Behalf of Timex Group USA, Inc. For modular Model No.: M05J, M05K FCC ID: EP9-TMXM05J Prepared for : Timex Group USA, Inc. 555 Christian Road, Middlebury, Connecticut, 06762-0310, United States Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Nov. 27, 2019 ~Dec. 03, 2019 Date of Report: Dec. 03, 2019 Report Number: HK1911112834-E Page 2 of 27 Report No.: HK1911112834-E TEST RESULT CERTIFICATION Applicant’s name ................. : Timex Group USA, Inc. Address ................................. : 555 Christian Road, Middlebury, Connecticut, 06762-0310, United States Manufacture's Name ............ : DIGILINK GROUP CO., LTD. Address ................................. : 1F, Block B3, Hengfeng Industrial Park, Bao`an District, Shenzhen, China Product description Trade Mark: iConnect Product name ........................... : modular Model and/or type reference : M05J, M05K Standards ............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.249 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Nov. 27, 2019 ~Dec. 03, 2019 Date of Issue ........................................... : Dec. 03, 2019 Test Result .............................................. : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou) Page 3 of 27 Report No.: HK1911112834-E Table of Contents Page 1 . TEST SUMMARY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 Carrier Frequency of Channels 6 2.3 Operation of EUT during testing 6 2.4 DESCRIPTION OF TEST SETUP 7 2.5 MEASUREMENT INSTRUMENTS LIST 8 3 . CONDUCTED EMISSIONS TEST 9 3.1 Conducted Power Line Emission Limit 9 3.2 Test Setup 9 3.3 Test Procedure 9 3.4 Test Result 9 4 RADIATED EMISSION TEST 12 4.1 Radiation Limit 12 4.2 Test Setup 12 4.3 Test Procedure 13 4.4 Test Result 13 5 BAND EDGE 19 5.1 Limits 19 5.2 Test Procedure 19 5.3 Test Result 20 6 OCCUPIED BANDWIDTH MEASUREMENT 22 6.1 Test Setup 22 6.2 Test Procedure 22 6.3 Measurement Equipment Used 22 6.4 Test Result 22 7 ANTENNA REQUIREMENT 24 8 PHOTOGRAPH OF TEST 25 8.1 Radiated Emission 25 8.2 Conducted Emission 26 9 PHOTOS OF THE EUT 27 Page 4 of 27 Report No.: HK1911112834-E 1. TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS FCC PART 15.249 CONDUCTED EMISSIONS TEST §15.207 PASS RADIATED EMISSION TEST §15.249 (a) (d)/ §15.209 PASS out of Band Emissions §15.249 (d)/ §15.205 PASS OCCUPIED BANDWIDTH MEASUREMENT§15.215 (c) PASS ANTENNA REQUIREMENT §15.203 PASS 1.2 TEST FACILITY Test Firm ： Shenzhen HUAK Testing Technology Co., Ltd. Address ： 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China 1.3 MEASUREMENT UNCERTAINTY Measurement Uncertainty Conducted Emission Expanded Uncertainty = 2.23dB, k=2 Radiated emission expanded uncertainty(9kHz-30MHz) = 3.08dB, k=2 Radiated emission expanded uncertainty(30MHz-1000MHz) = 4.42dB, k=2 Radiated emission expanded uncertainty(Above 1GHz) = 4.06dB, k=2 Page 5 of 27 Report No.: HK1911112834-E 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Equipment modular Model Name M05J Serial Model M05K Model Difference All model’s the function, software and electric circuit are the same, only with a product color and model named different. Test sample model: M05J FCC ID EP9-TMXM05J Antenna Type Internal Antenna Antenna Gain 0dBi Equipment modular Operation frequency 2402-2480MHz Number of Channels 40CH Modulation Type GFSK Power Source DC3.3V Power Rating DC3.3V Page 6 of 27 Report No.: HK1911112834-E 2.2 Carrier Frequency of Channels Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 01 2402 11 2422 21 2442 31 2462 02 2404 12 2424 22 2444 32 2464 03 2406 13 2426 23 2446 33 2466 04 2408 14 2428 24 2448 34 2468 05 2410 15 2430 25 2450 35 2470 06 2412 16 2432 26 2452 36 2472 07 2414 17 2434 27 2454 37 2474 08 2416 18 2436 28 2456 38 2476 09 2418 19 2438 29 2458 39 2478 10 2420 20 2440 30 2460 40 2480 2.3 Operation of EUT during testing Operating Mode The mode is used: Transmitting mode Low Channel: 2402MHz Middle Channel: 2440MHz High Channel: 2480MHz Page 7 of 27 Report No.: HK1911112834-E 2.4 DESCRIPTION OF TEST SETUP Operation of EUT during below 1GHz Radiation and Conducted testing: AC Main Operation of EUT Above1GHz Radiation testing: ● Adapter information Model: UP0920 Input: AC100-240V, 50/60Hz, 0.5A Output: 5VDC/9VDC ● Host information Model: iConnect Input: DC5V Output: DC3.3V The sample was placed (0.8m below 1GHz, 1.5m above 1GHz) above the ground plane of 3m chamber. Measurements in both horizontal and vertical polarities were performed. During the test, each emission was maximized by: having the EUT continuously working, investigated all operating modes, rotated about all 3 axis (X, Y & Z) and considered typical configuration to obtain worst position, manipulating interconnecting cables, rotating the turntable, varying antenna height from 1m to 4m in both horizontal and vertical polarizations.The emissions worst-case are shown in Test Results of the following pages. The worst case is X position. Adapter Host EUT Host EUT Page 8 of 27 Report No.: HK1911112834-E 2.5 MEASUREMENT INSTRUMENTS LIST Item Equipment Manufacturer Model No.Serial No. Last Cal. Cal. Interval 1. L.I.S.N. Artif…

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Test Model：M05J Radiated Emission Conducted Emission