System Overview
NL-H873-USA1 is based on WS73U. WS73U is a highly integrated Combo chip that supports 2.4GHz Wi-Fi, BLE, and SLE. It integrates a
high-performance 32-bit microprocessor and security processing engine.
NL-H873-USA1 supports USB2.0 interface with a maximum speed of 480Mbps. It can be mounted on a host MCU and operated through the USB interface as a slave device.
NL-H873-USA1 supports OpenHarmony, FreeRTOS, Huawei LiteOS, Android, and Linux systems, providing a more open development
environment and faster system operation environment. It is suitable for IoT smart terminal applications such as consumer IP cameras, dashcams, entry-level smart TVs, robotic vacuum cleaners, drones, and other IoT devices.
Features
WLAN
IEEE 802.11 b/g/n/ax
1T1R
Support 802.11n 20MHz/40MHz, 802.11ax 20MHz bandwidth.
Maximum PHY data rate up to 150 Mbps@HT40 MCS7, 114.7Mbps @HE20 MCS9
BLE
BLE5.2
Data rate up to 2 Mbps
Support BLE Mesh and BLE gateway
Nearlink
SLE1.0
Support SLE 1MHz/2MHz/4MHz bandwidth
Data rate up to 12Mbps
CPU
32-bit microprocessor with a maximum operating frequency of 240MHz.
Internal SRAM、ROM
Interface
USB2.0
