Low Power WiFi Bluetooth Module B35S Overview

Low Power WiFi Bluetooth Module B35S Overview

HLK-B35S is a low-cost serial-to-wireless network module launched by Hailin Technology, combining BLE5.2 Bluetooth and 2.4G WiFi with a low power consumption of microamp level, suitable for industries such as IoT, smart home, and wearable devices.

1

Product Introduction

Serial-to-WiFi + BLE Bluetooth Module

The HLK-B35S Bluetooth module is a highly integrated wireless communication solution that not only incorporates advanced Bluetooth BLE5.2 technology but also integrates Wi-Fi 802.11b/g/n functionality, providing users with flexible connection options.

HLK-B35S supports both BLE 5.2 baseband and MAC layer design, as well as Wi-Fi 802.11b/g/n standards, allowing devices to easily connect to various modern wireless network environments, meeting a wide range of connection needs from low-power Bluetooth devices to high-speed Wi-Fi networks.

The B35S features an efficient 32-bit CPU, paired with 288KB of RAM and 2MB of embedded Flash memory, ensuring stable and smooth operation.

2

Product Features

Serial-to-WiFi + BLE Bluetooth Module

HLK-B35S is a low-cost embedded UART-WIFI (serial-to-wireless network) module launched by Hailin Technology, a Wi-Fi + BLE combination chipset designed for low power and high-performance application development.

Bluetooth module

BLE5.2 Bluetooth + 2.4G WiFi Integration

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HLK-B35S utilizes BLE technology to assist in rapid Wi-Fi network configuration, simplifying the user network setup process. It supports both AP (Access Point) and STA (Station) modes, as well as coexistence mode for BLE and Wi-Fi, ensuring stable connections and efficient operation in various network environments.

HLK-B35S offers support for multiple security protocols including WPS, WEP, WPA, WPA2 Personal, and WPA2, ensuring security and privacy protection during data transmission.

Low Power WiFi Bluetooth Module B35S Overview

Bluetooth module

Microamp Level Ultra-Low Power Consumption

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The B35S Bluetooth module supports the BLE5.2 Bluetooth protocol, with a receiving mode current of 30mA and a low power standby mode consumption as low as 200uA.

The B35S’s microamp-level ultra-low power consumption, combined with its compact size of only 24x16x2mm, makes it very suitable for products such as water meters and wearable devices that have stringent requirements for module size and power consumption.

Low Power WiFi Bluetooth Module B35S Overview

Bluetooth module

Transmission Distance of 40-100 Meters

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The HLK-B35S module comes with BLE5.2 Bluetooth, offering a longer transmission distance of 40-100 meters and a transmission rate of 9600-921600bps, ensuring broad coverage and smooth data transmission.

Bluetooth module

Simple Testing with High Cost-Performance Ratio

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The B35S Bluetooth module supports direct insertion installation, making it easy to install and remove. First-time users of the B35S can purchase a matching test board for quick testing and validation.

Meanwhile, the ultra-low power Bluetooth module B35S supports BLE5.2 Bluetooth + 2.4G WiFi integration, offering superior performance at a unit price as low as single digits, making it suitable for a wide range of applications.

Bluetooth module

Product Parameters

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Wireless Standards IEEE 802.11b/g/n Bluetooth Standard – BLE 5.2

Frequency Range 2.412-2.484GHz

Transmission Power WiFi: 18-19dBm/Bluetooth: 10dBm(MAX)

Receiving Sensitivity -98dBm

Antenna Type External Antenna (can be modified to onboard antenna)

Hardware Interface UART/PWM/GPIO/SPI/ADC

Operating Voltage 3.3V (2.7V~3.6V)

GPIO Drive Max: 12.8mA

Operating Current ~30mA/Peak 400mA

3

Application Scenarios

Serial-to-WiFi + BLE Bluetooth Module

The HLK-B35S is known for its fast configuration speed, stable performance, high cost-performance ratio, and low power transmission, with KK-level shipments. It can be applied in smart lighting, smart locks, smart home appliances, home gateways, Bluetooth gateways, and other products.

Additionally, the HLK-B35S module is suitable for IoT data collection, processing, and remote control, widely applicable in security, automotive, consumer electronics, medical, power, and industrial production across various IoT fields, with broad application prospects in smart home IoT.

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Low Power WiFi Bluetooth Module B35S Overview

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Low Power WiFi Bluetooth Module B35S Overview

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