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Quectel FCM561D-P Hardware Design

Quectel FCM561D-P Hardware Design

Wi-fi&bluetooth module
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FCM561D-P
Hardware Design
Wi-Fi&Bluetooth Module Series
Version: 1.0.0
Date: 2023-10-27
Status: Preliminary

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  • Page 1 FCM561D-P Hardware Design Wi-Fi&Bluetooth Module Series Version: 1.0.0 Date: 2023-10-27 Status: Preliminary...
  • Page 2 Wi-Fi&Bluetooth Module Series At Quectel, our aim is to provide timely and comprehensive services to our customers. If you require any assistance, please contact our headquarters: Quectel Wireless Solutions Co., Ltd. Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District,...
  • Page 3 Except as otherwise set forth herein, nothing in this document shall be construed as conferring any rights to use any trademark, trade name or name, abbreviation, or counterfeit product thereof owned by Quectel or any third party in advertising, publicity, or other aspects.

  • Page 4: Safety Information

    Manufacturers of the terminal should notify users and operating personnel of the following safety information by incorporating these guidelines into all manuals of the product. Otherwise, Quectel assumes no liability for customers’ failure to comply with these precautions.

  • Page 5: About The Document

    Wi-Fi&Bluetooth Module Series About the Document Revision History Version Date Author Description 2023-08-24 Luke FU Creation of the document 1.0.0 2023-10-27 Roshan WENG/Jay DONG Preliminary FCM561D-P_Hardware_Design...

  • Page 6: Table Of Contents

    Wi-Fi&Bluetooth Module Series Contents Safety Information ............................3 About the Document ..........................4 Contents ..............................5 Table Index ..............................7 Figure Index ..............................8 1 Introduction ............................. 9 1.1. Special Marks..........................10 2 Product Overview ..........................11 2.1. Key Features ..........................12 3 Application Interfaces ..........................
  • Page 7 5.3.1.1. Reference Design ....................40 5.3.1.2. Antenna Design Requirements ................40 5.3.1.3. RF Routing Guidelines .................... 41 5.3.2. FCM561D-P PCB Antenna ....................43 6 Electrical Characteristics & Reliability ....................45 6.1. Absolute Maximum Ratings ......................45 6.2. Power Supply Ratings ........................45 6.3.
  • Page 8 Wi-Fi&Bluetooth Module Series Table Index Table 1 : Special Marks ..........................10 Table 2 : Basic Information ........................11 Table 3 : Key Features ..........................12 Table 4 : Parameter Description ........................ 14 Table 5 : Pin Description ..........................14 Table 6 : GPIO Multiplexing ........................
  • Page 9 Figure 19 : FCM561D-P Bottom Dimensions (Bottom View) ..............49 Figure 20 : FCM561D-P Recommended Footprint ..................50 Figure 21 : FCM561D-P Top and Bottom Views (PCB Antenna Interface) ..........51 Figure 22 : Recommended Reflow Soldering Thermal Profile ..............53 Figure 23 : Tape Specifications ........................

  • Page 10: Introduction

    RF performance, electrical and mechanical specifications, as well as other related information of the module. Hereby, Quectel Wireless Solutions Co., Ltd. declares that the radio equipment type FCM561D-P is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: http://www.quectel.com/support/technical.htm...

  • Page 11: Special Marks

    Wi-Fi&Bluetooth Module Series 1.1. Special Marks Table 1: Special Marks Mark Definition Unless otherwise specified, when an asterisk (*) is used after a function, feature, interface, pin name, AT command, argument, and so on, it indicates that the function, feature, interface, pin, AT command, argument, and so on, is under development and currently not supported;...

  • Page 12: Product Overview

    Wi-Fi&Bluetooth Module Series Product Overview FCM561D-P series is an MCU Wi-Fi 6 and Bluetooth module for smart-home and industrial IoT compliant with IEEE 802.11b/g/n/ax and BLE 5.2 standards. It provides multiple interfaces including SPI, QSPI, UART, SDIO, I2C, USB, CAN*, LCM, Camera, PWM and I2S for various applications.

  • Page 13: Key Features

    For more details about the EVB, see document and document The module is provided with one of the two antenna interface designs. For more details, please contact Quectel Technical Support. For more details about the interfaces, see Chapter 3.3 and Chapter 3.4...

  • Page 14: Application Interfaces

    Wi-Fi&Bluetooth Module Series Application Interfaces 3.1. Pin Assignment GPIO45 GPIO46 RESERVED GPIO19 GPIO47 GPIO20 CHIP_EN GPIO21 GPIO18 GPIO22 GPIO17 USB_DP GPIO23 XTAL32K GPIO15 USB_DM MIC_P GPIO16 MIC_N VBAT SPK_P GPIO14 GPIO28 SPK_N Pins with Different Power GPIO Audio Control Signal UART Functions Figure 1: Pin Assignment (Top View)

  • Page 15: Pin Description

    Wi-Fi&Bluetooth Module Series NOTE The RESERVED pin and unused pins need to be suspended. All GND pins should be connected to ground. The module provides 1 UART, 1 USB interface, 2 analog audio interfaces and 44 GPIO interfaces by default. In the case of multiplexing, it supports up to 48 GPIO interfaces, 2 SPI, 1 QSPI, 3 UARTs, 1 SDIO interface, 2 I2C interfaces, 1 CAN interface*, 1 LCM interface, 12 PWM interfaces, 1 I2S interface, and 8 SAR ADC interfaces.
  • Page 16 Wi-Fi&Bluetooth Module Series 1, 3, 5, 8, 17, 22, 36, 42–48, 50, 51, 58, 74–85 Control Signal Pin Name Pin No. Description Comment Characteristics Hardware enable. CHIP_EN Enable the module VBAT Internally pulled up to 3.3 V. Active high. UART1 Pin Name Pin No.
  • Page 17 Wi-Fi&Bluetooth Module Series General-purpose GPIO4 input/output General-purpose GPIO5 input/output General-purpose GPIO6 input/output General-purpose GPIO7 input/output General-purpose GPIO8 input/output General-purpose GPIO9 input/output General-purpose GPIO14 input/output General-purpose GPIO15 input/output General-purpose GPIO16 input/output General-purpose GPIO17 input/output General-purpose GPIO18 input/output General-purpose GPIO19 input/output General-purpose GPIO20 input/output General-purpose...
  • Page 18 Wi-Fi&Bluetooth Module Series General-purpose GPIO29 input/output General-purpose GPIO30 input/output General-purpose GPIO31 input/output General-purpose GPIO32 input/output General-purpose GPIO33 input/output General-purpose GPIO34 input/output General-purpose GPIO35 input/output General-purpose GPIO36 input/output General-purpose GPIO37 input/output General-purpose GPIO38 input/output General-purpose GPIO39 input/output General-purpose GPIO40 input/output General-purpose GPIO41 input/output General-purpose...
  • Page 19 Wi-Fi&Bluetooth Module Series Microphone MIC_P analog input (+) Microphone MIC_N analog input (-) Analog audio SPK_P differential output Analog audio SPK_N differential output RESERVED PIN Pin Name Pin No. Comment RESERVED Not connected FCM561D-P_Hardware_Design 18 /...

  • Page 20: Gpio Multiplexing

    Wi-Fi&Bluetooth Module Series 3.3. GPIO Multiplexing The module provides 44 GPIOs by default, and has up to 48 GPIOs in the case of multiplexing. Pins are defined as follows: Table 6: GPIO Multiplexing Multiplexing Function 0 Multiplexing Multiplexing Multiplexing Multiplexing Multiplexing Pin Name Pin No.
  • Page 21 Wi-Fi&Bluetooth Module Series COEX_BT_ GPIO9 GPIO9 PWM3 I2S_DOUT PRIOPRITY UART1_RXD GPIO10 SDIO_DATA2 UART1_TXD GPIO11 SDIO_DATA3 USB_DP GPIO12 UART1_CTS USB_DM GPIO13 UART1_RTS GPIO14 GPIO14 SDIO_CLK SPI1_CLK ANT_BT_SEL0 LCD_DCLK GPIO15 GPIO15 SDIO_CMD SPI1_CS ANT_BT_SEL1 LCD_DISP GPIO16 GPIO16 SDIO_DATA0 SPI1_MOSI ANT_BT_SEL2 LCD_DE GPIO17 GPIO17 SDIO_DATA1 SPI1_MISO...
  • Page 22 Wi-Fi&Bluetooth Module Series GPIO25 GPIO25 IRDA PWM5 ADC1 QSPI_DATA1 LCD_G4 GPIO26 GPIO26 TXEN QSPI_DATA2 LCD_G3 GPIO27 GPIO27 DVP_MCLK QSPI_DATA3 GPIO28 GPIO28 RXEN I2S_MCLK ADC4 GPIO29 GPIO29 DVP_PCLK GPIO30 GPIO30 DVP_HSYNC GPIO31 GPIO31 DVP_VSYNC GPIO32 GPIO32 DVP_DATA0 PWM6 GPIO33 GPIO33 DVP_DATA1 PWM7 GPIO34 GPIO34...
  • Page 23 Wi-Fi&Bluetooth Module Series GPIO41 GPIO41 UART3_TXD I2S_SYNC LCD_G1/LCD_DATA6 GPIO42 GPIO42 I2C2_SCL I2S_DIN LCD_G0/LCD_DATA5 GPIO43 GPIO43 I2C2_SDA I2S_DOUT LCD_B4/LCD_DATA4 GPIO44 GPIO44 CAN_TXD SPI1_CLK ADC10 LCD_B3/LCD_DATA3 GPIO45 GPIO45 CAN_RXD SPI1_CS ADC11 LCD_B2/LCD_DATA2 GPIO46 GPIO46 CAN_STB SPI1_MOSI TS14 LCD_B1/LCD_DATA1 GPIO47 GPIO47 SPI1_MISO TS15 LCD_B0/LCD_DATA0 NOTE All GPIOs support interrupting wakeup.

  • Page 24: Application Interfaces

    Wi-Fi&Bluetooth Module Series 3.4. Application Interfaces 3.4.1. SPIs In the case of multiplexing, the module integrates 2 SPIs that can operate in master or slave mode with maximum clock frequency of 30 MHz. The SPIs support 8-bit or 16-bit data width and 4-wire or 3-wire (without CS pin) mode.

  • Page 25: Qspi

    Wi-Fi&Bluetooth Module Series 3.4.2. QSPI In the case of multiplexing, the module embeds 1 Quad SPI that provides support for communicating with external flash, PSRAM or AMOLED display. The QSPI allows maximum clock frequency up to 80 MHz. Table 8: Pin Definition of QSPI Pin Name Pin No.

  • Page 26: Sdio Interface

    Wi-Fi&Bluetooth Module Series Table 9: Pin Definition of UARTs Pin Name Pin No. Multiplexing Function Comment UART1_RXD UART1 receive UART1_TXD UART1 transmit USB_DP UART1_CTS Clear to send signal to the module USB_DM UART1_RTS Request to send signal from the module GPIO0 UART2_TXD UART2 transmit...
  • Page 27 Wi-Fi&Bluetooth Module Series Table 10: Pin Definition of SDIO Interface Pin Name Pin No. Multiplexing Function Description Comment GPIO2 SDIO_CLK SDIO clock GPIO3 SDIO_CMD SDIO command Other SDIO GPIO4 SDIO_DATA0 SDIO data bit 0 configurations, GPIO5 SDIO_DATA1 SDIO data bit 1 see Table 6.

  • Page 28: I2C Interfaces

    Wi-Fi&Bluetooth Module Series signals, as well as noise signals such as clock signals and DC-DC signals. ⚫ The distance between SDIO signals and other signals must be greater than twice the trace width, and the bus load capacitance must be less than 15 pF. ⚫...

  • Page 29: Can Interface

    Wi-Fi&Bluetooth Module Series impedance; recommended to be 90 Ω. USB 2.0 differential USB_DM data (-) Test point must be reserved. 3.4.7. CAN Interface* In the case of multiplexing, the module provides 1 CAN interface which is compliant with the CAN 2.0B specification.
  • Page 30 Wi-Fi&Bluetooth Module Series GPIO21 LCD_R2 RGB red data 2 GPIO22 LCD_R1 RGB red data 1 GPIO23 LCD_R0 RGB red data 0 GPIO24 LCD_G5 RGB green data 5 GPIO25 LCD_G4 RGB green data 4 GPIO26 LCD_G3 RGB green data 3 GPIO40 LCD_G2 RGB green data 2 GPIO41...

  • Page 31: Camera Interface

    Wi-Fi&Bluetooth Module Series GPIO43 LCD_DATA4 I8080 data bit 4 GPIO44 LCD_DATA3 I8080 data bit 3 GPIO45 LCD_DATA2 I8080 data bit 2 GPIO46 LCD_DATA1 I8080 data bit 1 GPIO47 LCD_DATA0 I8080 data bit 0 3.4.9. Camera Interface In the case of multiplexing, the module supports 1 camera interface. The 8-bit CMOS Image Sensor (CIS) Digital Video Port (DVP) camera interface provides 8-bit parallel port interface to sensors, together with main clock (MCLK), pixel clock (PCLK), horizontal SYNC (HSYNC) and vertical SYNC (VSYNC) signals.

  • Page 32: Pwm Interfaces

    Wi-Fi&Bluetooth Module Series GPIO39 DVP_DATA7 DVP data bit 7 3.4.10. PWM Interfaces In the case of multiplexing, the module supports up to 12 PWM channels. Each PWM channel has three modes: Timer mode, PWM mode, and Capture mode. Each mode of each channel is multiplexed with 32-bit counting.

  • Page 33: Analog Audio Interface

    Wi-Fi&Bluetooth Module Series Table 18：Pin Definition of I2S Interface Multiplexing Pin Name Pin No. Description Comment Function GPIO9 I2S_DOUT I2S data out See Table 6 for other GPIO8 I2S_DIN I2S data in GPIO pins multiplexed GPIO7 I2S_WS I2S word select as I2S interface.

  • Page 34: Touch Sensor Interfaces

    Wi-Fi&Bluetooth Module Series Table 20: Pin Definition of SAR ADC Interfaces Multiplexing Pin Name Pin No. Description Comment Function GPIO25 ADC1 General-purpose ADC interface Channel 1 GPIO24 ADC2 General-purpose ADC interface Channel 2 GPIO23 ADC3 General-purpose ADC interface Channel 3 GPIO28 ADC4 General-purpose ADC interface...
  • Page 35 Wi-Fi&Bluetooth Module Series labeled TS0–15, which immediately detect capacitance changes induced by touch or proximity of objects. Table 22: Pin Definition of Touch Sensor Interfaces Pin Name Pin No. Multiplexing Function Description GPIO12 Touch sensor 0 GPIO13 Touch sensor 1 GPIO28 Touch sensor 2 GPIO29...

  • Page 36: Operating Characteristics

    Wi-Fi&Bluetooth Module Series Operating Characteristics 4.1. Power Supply Power supply pin and ground pins of the module are defined in the following table. Table 23: Pin Definition of Power Supply and GND Pins Pin Name Pin No. Description Min. Typ. Max.

  • Page 37: Turn On

    Wi-Fi&Bluetooth Module Series 4.2. Turn On After the module VBAT is powered on, keep the CHIP_EN pin at high level to realize the automatic startup of the module. Table 24: Pin Definition of CHIP_EN Pin Name Pin No. Description Comment Hardware enable.
  • Page 38 Wi-Fi&Bluetooth Module Series CHIP_EN 4.7 kΩ Control 47 kΩ Figure 8: Reference Circuit of CHIP_EN by Using A Driving Circuit Another way to control the CHIP_EN is by using a button directly. When pressing the button, an electrostatic strike may generate from finger. Therefore, a TVS component shall be placed near the button for ESD protection.

  • Page 39: Rf Performances

    Wi-Fi&Bluetooth Module Series RF Performances 5.1. Wi-Fi Performances Table 25: Wi-Fi Performances Operating Frequency 2.4 GHz: 2.400–2.4835 GHz Modulation BPSK, QPSK, CCK, 16QAM, 64QAM Encryption WPA/WPA2/WPA3-Personal Operating Mode ⚫ ⚫ ⚫ AP+STA Transmission Data Rate ⚫ 802.11b: 1 Mbps, 2 Mbps, 5.5 Mbps, 11 Mbps ⚫...

  • Page 40: Bluetooth Performances

    FCM561D is provided with one of the two antenna interface designs: LCC pin antenna interface (ANT_WIFI/BT) and RF coaxial connector. The RF coaxial connector is not available when the module is designed with ANT_BT antenna interface. FCM561D-P supports PCB antennasThe impedance of antenna port is 50 Ω.

  • Page 41: Pin Antenna Interface (Ant_Wifi/Bt)

    Figure 11: RF Antenna Reference Design 5.3.1.2. Antenna Design Requirements Table 28: Antenna Design Requirements Parameter Requirement The module is provided with one of the two antenna interface designs. For more details, contact Quectel Technical Support. FCM561D-P_Hardware_Design 40 / 65...

  • Page 42: Rf Routing Guidelines

    Wi-Fi&Bluetooth Module Series Frequency Range (GHz) 2.400–2.4835 Cable Insertion Loss (dB) < 1 ≤ 2 (Typ.) VSWR Gain (dBi) 1 (Typ.) Max. input power (W) Input impedance (Ω) Polarization type Vertical 5.3.1.3. RF Routing Guidelines For user’s PCB, the characteristic impedance of all RF traces should be controlled to 50 Ω. The impedance of the RF traces is usually determined by the trace width (W), the materials’...
  • Page 43 Wi-Fi&Bluetooth Module Series Figure 14: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground) Figure 15: Coplanar Waveguide Design on a 4-layer PCB (Layer 4 as Reference Ground) To ensure RF performance and reliability, follow the principles below in RF layout design: ⚫...

  • Page 44: Fcm561D-P Pcb Antenna

    16 mm. All layers in the PCB of the motherboard under the PCB antenna should be designed as a keepout area. Figure 16: Keepout Area on Motherboard The module is provided in one of the three antenna/antenna interface designs. For more details, contact Quectel Technical Support. FCM561D-P_Hardware_Design...
  • Page 45 Wi-Fi&Bluetooth Module Series Do not routing at the RF test point at the bottom of the module to ensure its performances during PCB design. Figure 17: Prohibited Area for Routing FCM561D-P_Hardware_Design 44 / 65...

  • Page 46: Electrical Characteristics & Reliability

    Wi-Fi&Bluetooth Module Series Electrical Characteristics & Reliability 6.1. Absolute Maximum Ratings Absolute maximum ratings for power supply and voltage on digital and analog pins of the module are listed in the following table. Table 30: Absolute Maximum Ratings (Unit: V) Parameter Min.

  • Page 47: Power Consumption

    Wi-Fi&Bluetooth Module Series 6.3. Power Consumption 6.3.1. Wi-Fi Power Consumption Table 32: Power Consumption in Non-signaling Modes (Unit: mA) Condition (Typ.) VBAT Tx 1 Mbps @ 17 dBm 802.11b Tx 11 Mbps @ 17 dBm Tx 6 Mbps @ 15 dBm 802.11g Tx 54 Mbps @ 14 dBm 2.4 GHz...

  • Page 48: Digital I/O Characteristics

    Wi-Fi&Bluetooth Module Series 6.4. Digital I/O Characteristics Table 34: VBAT I/O Characteristics (Unit: V) Parameter Description Min. Max. High-level input voltage 0.7 × VBAT VBAT + 0.3 Low-level input voltage -0.3 0.3 × VBAT High-level output voltage 0.9 × VBAT Low-level output voltage 0.1 ×...

  • Page 49: Mechanical Information

    This chapter describes the mechanical dimensions of the module. All dimensions are measured in millimeters (mm), and the dimensional tolerances are ± 0.2 mm unless otherwise specified. 7.1. Mechanical Dimensions Figure 18: FCM561D-P Top and Side Dimensions FCM561D-P_Hardware_Design 48 / 65...
  • Page 50 Wi-Fi&Bluetooth Module Series Figure 19: FCM561D-P Bottom Dimensions (Bottom View) NOTE The package warpage level of the module conforms to the JEITA ED-7306 standard. FCM561D-P_Hardware_Design 49 / 65...

  • Page 51: Recommended Footprint

    Wi-Fi&Bluetooth Module Series 7.2. Recommended Footprint Figure 20: FCM561D-P Recommended Footprint NOTE Keep at least 3 mm between the module and other components on the motherboard to improve soldering quality and maintenance convenience. FCM561D-P_Hardware_Design 50 / 65...

  • Page 52: Top And Bottom Views

    Wi-Fi&Bluetooth Module Series 7.3. Top and Bottom Views Figure 21: FCM561D-P Top and Bottom Views (PCB Antenna Interface) NOTE Images above are for illustrative purposes only and may differ from the actual module. For authentic appearance and label, please refer to the module received from Quectel.

  • Page 53: Storage, Manufacturing & Packaging

    Wi-Fi&Bluetooth Module Series Storage, Manufacturing & Packaging 8.1. Storage Conditions The module is provided with vacuum-sealed packaging. MSL of the module is rated as 3. The storage requirements are shown below. 1. Recommended Storage Condition: the temperature should be 23 ± 5 ° C and the relative humidity should be 35–60 %.

  • Page 54: Manufacturing And Soldering

    Wi-Fi&Bluetooth Module Series NOTE 1. To avoid blistering, layer separation and other soldering issues, extended exposure of the module to the air is forbidden. 2. Take out the module from the package and put it on high-temperature-resistant fixtures before baking. If shorter baking time is desired, see IPC/JEDEC J-STD-033 for the baking procedure. Pay attention to ESD protection, such as wearing anti-static gloves, when touching the modules.
  • Page 55 Avoid using ultrasonic technology for module cleaning since it can damage crystals inside the module. Due to the complexity of the SMT process, please contact Quectel Technical Support in advance for any situation that you are not sure about, or any process (e.g. selective soldering, ultrasonic soldering) that is not mentioned in document [3].

  • Page 56: Packaging Specifications

    Wi-Fi&Bluetooth Module Series 8.3. Packaging Specifications This chapter describes only the key parameters and process of packaging. All figures below are for reference only. The appearance and structure of the packaging materials are subject to the actual delivery. The module adopts carrier tape packaging and details are as follow: 8.3.1.

  • Page 57: Plastic Reel

    Wi-Fi&Bluetooth Module Series 8.3.2. Plastic Reel Figure 24: Plastic Reel Dimension Drawing Table 38: Plastic Reel Dimension Table (Unit: mm) øD1 øD2 44.5 8.3.3. Mounting Direction Figure 25: Mounting Direction FCM561D-P_Hardware_Design 56 / 65...

  • Page 58: Packaging Process

    Wi-Fi&Bluetooth Module Series 8.3.4. Packaging Process Place the modules into the carrier tape and use the cover tape to cover them; then wind the heat-sealed carrier tape on the plastic reel and use the protective tape for protection. 1 plastic reel can load 250 modules. Place the packaged plastic reel, 1 humidity indicator card and 1 desiccant bag into a vacuum bag, then vacuumize it.

  • Page 59: Appendix References

    Wi-Fi&Bluetooth Module Series Appendix References Table 39: Reference Documents Document Name [1] Quectel_FCM561D-P_TE-B_User_Guide [2] Quectel_RF_Layout_Application_Note [3] Quectel_Module_SMT_Application_Note Table 40: Terms and Abbreviations Abbreviation Description Analog-to-Digital Converter AMOLED Active Matrix/Organic Light Emitting Diode Access Point Bluetooth Low Energy BPSK Binary Phase Shift Keying Controller Area Network Complementary Code Keying Charged Device Model...
  • Page 60 Wi-Fi&Bluetooth Module Series Digital Video Port Electrostatic Discharge FIFO First Input First Output Error Vector Magnitude GFSK Gauss frequency Shift Keying Ground GPIO General-Purpose Input/Output HSYNC Horizontal Synchronization High Efficiency High Throughput Input/Output Inter-Integrated Circuit Inter-IC Sound IEEE Institute of Electrical and Electronics Engineers Internet of Things JPEG Joint Photographic Experts Group...
  • Page 61 Wi-Fi&Bluetooth Module Series PSRAM Pseudo Static Random-Access Memory Pulse Width Modulation Quadrature Amplitude Modulation QPSK Quadrature Phase Shift Keying QSPI Quad Serial Peripheral Interface Radio Frequency RISC Reduced Instruction-Set Computer RoHS Restriction of Hazardous Substances Read Only Memory Real-Time Clock Successive Approximation Register Sub-band Coding SCLK...
  • Page 62 Wi-Fi&Bluetooth Module Series Vmin Minimum Voltage Vnom Nominal Voltage Value High-level Output Voltage Low-level Output Voltage VSWR Voltage Standing Wave Ratio VSYNC Vertical Synchronization Wi-Fi Wireless Fidelity FCM561D-P_Hardware_Design 61 / 65...
  • Page 63 Wi-Fi&Bluetooth Module Series FCC Statement Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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.
  • Page 64 Wi-Fi&Bluetooth Module Series including the transmitter operation. The host manufacturer has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user's manual of the end product which integrates this module The end user manual shall include all required regulatory information/warning as show in this manual.
  • Page 65 Wi-Fi&Bluetooth Module Series The modular transmitter is only FCC authorized for FCC Part 15 Subpart C 15.247 & 15 209 and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter...
  • Page 66 Wi-Fi&Bluetooth Module Series requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.). Validity of using the module certification: In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization for this module in combination with the host equipment is no longer considered valid and the FCC ID of the module cannot be used on the final product In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization.

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