LSD1WFC1073-01D0 IEEE 802.11 a/b/g/n Wireless LAN IoT Module Datasheet

Revision History

Directory

Chapter 1 Product Introduction

• 1.1 Product Overview
• 1.2 Product Features
• 1.3 Application Fields

Chapter 2 Product Description

• 2.1 Hardware Block Diagram
• 2.2 Key Specifications
• 2.3 Pin Definitions
• 2.3.1 Pin Assignment
• 2.3.2 Pin Descriptions
• 2.4 Mechanical Dimensions

Chapter 3 Electrical Characteristics

• 3.1 Voltage Range
• 3.1.1 Absolute Maximum Ratings
• 3.1.2 Operating Voltage Range
• 3.2 Current Consumption
• 3.3 RF Parameters
• 3.4 Temperature & Humidity Characteristics
• 3.5 ESD Performance

Chapter 4 Design Guidelines

• 4.1 Reference Circuit
• 4.2 Antenna Design
• 4.2.1 Integrated Antenna
• 4.2.2 External Antenna

Chapter 5 Manufacturing Guidelines

• 5.1 Recommended Reflow Profile
• 5.2 Production Precautions

Chapter 6 Packaging Information

• 6.1 MOQ Specifications
• 6.2 Packaging Methods
• 6.2.1 Tape & Reel Packaging
• 6.2.2 Inner Box Packaging
• 6.2.3 Outer Box Packaging
• 6.3 Storage Conditions

Chapter 7 Contact Us

Chapter 1 Product Introduction

1.1 Product Overview

The LSD1WFC1073-01D0 (referred to as "1073") is a compact, high-performance wireless LAN communication module designed to meet customer demands for small form factors and superior performance. Supporting UART/SPI interfaces and compliant with IEEE 802.11 a/b/g/n standards, this module integrates an MCU, MAC, baseband, RF, and memory units. It is ideal for smart devices such as cameras, air conditioners, refrigerators, robotic vacuum cleaners, and air purifiers.

The LSD1WFC1073-01D0 module offers exceptional design flexibility, shortened development cycles, and rapid time-to-market, enabling customers to seamlessly implement Wi-Fi embedded development and applications. Additionally, it ensures robust security by supporting WPA/WPA2/WPA3 and WEP encryption protocols for enhanced data protection.

1.2 Product Features

1.2.1 Package

• 1.27mm pitch QFM package;

1.2.2 Processor

• ARM Cortex-M4 MCU;
• 80MHz clock frequency;

1.2.3 Memory

• Built-in 256KB RAM;
• Built-in 2MB Flash;

1.2.4 Wireless Performance

• Compliant with IEEE 802.11 a/b/g/n standards;
• Supports 2.4GHz + 5GHz dual-band operation;
• 1T1R configuration (1 transmit & 1 receive path);

1.2.5 Peripheral Interfaces

• 1 SPI interface;
• 2 user UART interfaces;
• Multiple GPIO interfaces supported;

1.2.6 Other Features

• RoHS compliant;

1.3 Application Fields

• Smart home appliances
• Security monitoring
• Wearable devices
• Portable devices
• Consumer electronics
• Intelligent transportation

Chapter 2 Product Description

2.2 Key Specifications

2.3 Pin Definitions

2.3.1 Pin Assignment

2.3.2 Pin Descriptions

2.4 Mechanical Dimensions

Chapter 3 Electrical Characteristics

3.1 Voltage Range

3.1.1 Absolute Maximum Ratings

Note: Exceeding these ratings may cause permanent hardware damage.

3.1.2 Operating Voltage Range

3.2 Current Consumption

2.4GHz Band Current Consumption

Notes:

• 1. Test conditions: VBAT=3.6V, Temp=25°C
• 2. Power consumption may vary with firmware versions

5GHz Band Current Consumption

Notes:

• 1. Test conditions: VBAT=3.6V, Temp=25°C;
• 2. Power consumption may vary with firmware versions

3.3 RF Parameters

3.4 Temperature & Humidity Characteristics

3.5 ESD Performance

Chapter 4 Design Guidelines

4.1 Reference Circuit

N/A

4.2 Antenna Design

The 1073 module features a surface-mount pad antenna interface. RF signals can be routed from Pin 31 to either integrated or external antennas. Regardless of antenna type, π-matching circuits (recommended: 2 sets) must be implemented on the RF path.

4.2.1 Integrated Antenna

Follow standard PCB antenna design principles when using integrated antennas.

4.2.2 External Antenna

External antennas must meet specifications in Table 4-2-1:

Chapter 5 Manufacturing Guidelines

5.1 Recommended Reflow Profile

Complies with IPC/JEDEC standards (max 2 reflow cycles).

Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum.

5.2 Production Precautions

• All operators must wear ESD gloves during production;
• Do not exceed specified baking duration;
• Strictly prohibit explosive, flammable, or corrosive materials in baking process;
• Modules must be placed in high-temperature trays with adequate air circulation;
• Ensure oven door is properly closed to maintain temperature integrity;
• Minimize oven door openings during operation; if necessary, limit opening duration;
• After baking, allow modules to naturally cool below 36°C before handling (to prevent burns);
• Avoid water or contaminant contact with module bottom surfaces;

Chapter 6 Packaging Information

6.1 MOQ Specifications

6.2 Packaging Methods

6.2.1 Tape & Reel Packaging

As shown in Figure 6-2-2, the 1073 modules are packaged in tape-and-reel format, with each reel containing 500PCS. After loading, reels are sealed in aluminum foil bags.

6.2.2 Inner Box Packaging

As shown in Figure 6-2-3, the inner box dimensions are 352×348×56mm. Each inner box contains one tape reel (500PCS of 1073 modules).

6.2.3 Outer Box Packaging

As shown in Figure 6-2-4, the outer box dimensions are 354×250×362mm. Each outer box holds 5 inner boxes (totaling 2500PCS of 1073 modules).

6.3 Storage Conditions

• Shelf Life: 12 months in sealed storage at <40°C & <90% RH;
• Recommended: Vacuum-packed storage at <10% RH;
• Post-unpacking: Must be used within 24 hours or require re-baking/vacuum-packing;
• Post-baking: Re-bake if >12 hours elapse before soldering;
• Expired: Prohibit SMT soldering if unpacked >3 months;
• Baking Specs: Nitrogen baking recommended (125±5°C for 24 hours);
• Standards: Complies with IPC/JEDEC J-STD-020

Chapter 7 Regulatory Compliance

A. FCC Radiation Exposure Statement

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.

Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

This Module complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Labelling instruction for Host Product integrator

Please notice that if the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: "Contains FCC ID: 2BN5S-25031" or any similar wording that expresses the same meaning may be used.

Installation Notice to Host Product Manufacturer

The OEM integrator is responsible for ensuring that the end-user has no manual instruction to remove or install the module.

The module is limited to installation in mobile application; a separate approval is required for all other operating configurations, including portable configurations with respect to §2.1093 and different antenna configurations.

Antenna configurations.

Antenna Change Notice to Host manufacturer

If you desire to increase antenna gain and either change antenna type or use same antenna type certified, a Class II permissive change application is required to be filed by us, or you (host manufacturer) can take responsibility through the change in FCC ID (new application) procedure followed by a Class II permissive change application.

FCC other Parts, Part 15B Compliance Requirements for Host product manufacturer

This modular transmitter is only FCC authorized for the specific rule parts listed on our grant; 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.

Host manufacturer in any case shall ensure host product which is installed and operating with the module is in compliant with Part 15B requirements.

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.

B. ISED Regulatory Compliance

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device.

L'émetteur/récepteur exempt de licence contenu dans le present appareil est conforme aux CNR d'Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes :(1)L'appareil ne doitpas produire de brouillage; (2) L'appareil doit accepter tout brouillage radioélectrique subi, même si lebrouillage est susceptible d'en compromettre le fonctionnement.

This equipment complies with IC RSS 102 radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm betweenthe radiator and your body.

Cet éauipement est conforme aux limites d'exposition aux radiations 1C CNR 102 établies pour un environnement non contrôlé, Cet équipement doit être installe et utilisé avec une distance minimale de 20cm entre le radiateur et votre corps.

Please notice that if the IC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: "Contains IC: 33667-25031" or any similar wording that expresses the same meaning may be used.

L'étiquette d'homologation d'un module d'Innovation, Sciences et Développement économique Canadadevra être posée sur le produit hote à un endroit bien en vue, en tout temps. En l'absence d'étiquette. le produit hote doit porter une êtiquette sur laquelle figure le numéro d'homologation du module d'Innovation, Sciences et Développement économique Canada, précédé du mot « contient », ou d'une formulation similaire allant dans le meme sens et qui va comme suit : Contient IC: 33667-25031 est le numéro d'homologation du module.