NL6621-Y1 2.4GHz UART Serial to Wi-Fi Module

NL6621-Y1 2.4GHz UART Serial To Wi-Fi Module is a serial Wi-Fi module for wireless LAN communication and data transfer. It is based on the NL6621-Y1 chip and uses TTL serial communication. The module supports 2.4GHz operation and includes integrated network protocol support. It can work as a control device through the central processor or as an independent WLAN device. The module also supports multiple common interfaces and can connect to external peripherals.

Features of NL6621-Y1 2.4GHz UART Serial To Wi-Fi Module

• TTL serial communication
• 2.4GHz wireless operation
• 802.11 b/g/n support
• Station and softAP modes
• UART, GPIO, and I2C interfaces
• Built-in PCB antenna
• AT command configuration
• Hardware watchdog timer
• Direct peripheral connection support

Specifications of NL6621-Y1 2.4GHz UART Serial To Wi-Fi Module

• Working voltage: 3.3V
• Working current: 200mA (MAX)
• Sleep current: 3.7mA
• Working frequency: 2.4GHz
• Wireless criteria: 802.11 b / g / n
• Wireless network mode: station / softAP / SoftAP + station
• Serial port baud rate: 115200 (default)
• Serial communication format: 8N1
• Onboard ports: UART TTL
• Onboard ports: GPIO
• Onboard ports: I2C
• Working frequency settings: 160M
• Working frequency settings: 120M
• Working frequency settings: 80M
• Working frequency settings: 40M
• Size: 16x31.5mm
• Antenna: built-in PCB antenna
• RAM: 448KB
• Code RAM: 192K
• Internet protocols: TCP / IP
• Internet protocols: UPD
• Internet protocols: HTTP
• Supported interfaces: QuadSPI
• Supported interfaces: standard SPI
• Supported interfaces: I2S audio
• Supported interfaces: PWM audio
• Supported network modes: BSS STA
• Supported network modes: Soft BSS AP
• Supported network modes: WIFI direct (SDIO card mode)
• Supported network modes: Ad hoc
• Supported network modes: DirectConfig a key shortcut configuration
• 802.11b data rates: 1Mbps
• 802.11b data rates: 2Mbps
• 802.11b data rates: 5.5Mbps
• 802.11b data rates: 11Mbps
• 802.11g data rates: 6Mbps
• 802.11g data rates: 9Mbps
• 802.11g data rates: 12Mbps
• 802.11g data rates: 18Mbps
• 802.11g data rates: 24Mbps
• 802.11g data rates: 36Mbps
• 802.11g data rates: 48Mbps
• 802.11g data rates: 54Mbps
• 802.11n data rates: 6.5Mbps-65Mbps
• 802.11n data rates: 7.2Mbps-72.2Mb
• Secondary development SDK support: Standar_SDK
• Secondary development SDK support: Wifi-Uart_SDK
• Secondary development SDK support: Apple Homekit_SDK
• Secondary development SDK support: Gizwits_SDK

How to Use NL6621-Y1 2.4GHz UART Serial To Wi-Fi Module

1. Connect the module through a USB to TTL serial converter.
2. Set the serial parameters as needed using AT commands.
3. Use the UART, GPIO, or I2C interfaces for your application.

More Info

• Can operate as a slave controlled by a main processor.
• Can operate as an independent WLAN device.
• Suitable for wireless audio, wireless video, and wireless household projects.