WiFi+BLE5.2 Bluetooth Serial Port WIFI module HLK-B35S dual-mode low-cost low power consumption embedded UART WIFI board kit
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Price$4.45
Product Introduction
HLK-B35S is a low-cost embedded UART WIFI (Serial Wireless Network) module launched by Hi-link Electronics. It is a WiFi+BLE combination chipset used for low-power and high-performance application development. This product is based on an embedded module that meets network standards through a serial interface, embedded with the TCP/IP protocol stack, capable of converting between user serial port and wireless network (WIFI/BLE).
Through the HLK-B35S module, traditional serial devices can transmit their data through the Internet network without changing any configuration, providing a complete and fast solution for users' serial devices to transmit data over the network.
Product Characteristics
The wireless subsystem includes 2.4G radio, Wi Fi 802.11b/g/n, and BLE5.2 baseband/MAC design, with main frequency support ranging from 1MHz to 160MHz
Built in 32-bit CPU, 288KB RAM, 2M embedded Flash memory
The working voltage supports 2.7-3.6V, with a typical value of 3.3V
BLE assists in achieving fast Wi Fi network distribution
Supports AP/STA and BLE coexistence modes, with WiFi security support for WPS/WEP/WPA/WPA2 Personal/WPA2
Integrated Balun, PA/LNA
Rich peripheral interfaces, 1 * SPI master/slave, 2 * UART, 6 * PWM, 18 * GPIO, 1 * IIC master/slave
widely used in the Internet of Things
Receiving mode: 30mA, low-power standby mode: 200uA
Performance and electrical parameters
Module | Mode | HLK-B35S |
Package | Direct insertion | |
WIFI parameters | Wireless standards | IEEE 802.11 b/g/n BLE 5.2 |
Frequency range | 2.412GHz-2.484GHz | |
Transmission power | 11g - 6Mbps: 19 dBm | |
11g - 54Mbps: 18 dBm | ||
11n - MCS0: 19 dBm | ||
Receiver sensitivity | 11g - 6Mbps: -92 dBm | |
11g - 54Mbps: -76 dBm | ||
11n - MCS0: -92 dBm | ||
Antenna form | External: I-PEX connector | |
Built in: Built in PCB antenna | ||
BLE Parameters | Frequency range | 2402~2480MHz |
Output power | 0~10dBm Typical value: 8dBm | |
Receiver sensitivity | -98dBm | |
Hardware parameters | hardware interface | 1*SPI master/slave,2*UART、6*PWM、18*GPIO、1*IIC |
working voltage | DC 2.7~3.6V Typical value: 3.3V | |
GPIO driver capability | Max:12.8 mA | |
Working current requirements | ≥500mA | |
Module current peak | 400mA | |
No-load operating current | 30mA | |
operation temperature | -40℃~85℃ | |
Serial port transparent transmission | transfer rate | 9600-921600bps |
TCP Client | 1 | |
Software parameters | wireless typle | STA/AP |
Security mechanism | WPS/WEP/WPA/WPA2 Personal/WPA2 Enterprise | |
Encryption Type | WEP64/WEP128/TKIP/AES | |
Network protocol | IPv4, TCP/UDP,Lwip | |
User profile | AT+instruction set |
Diagram