WS8452DHS is a LoRa serial module supporting multiple frequency bands,
designed and manufactured by Chengdu Silent Smart Technology Co.Ltd.
Adopting ASR's first domestically produced SoC chip that supports LoRa's LPWAN wireless communication protocol.
The Lora core adopts the new generation SX1262 design scheme, which has longer transmission distance, faster speed, and smaller size.
Support fixed-point transmission, transparent transmission, wireless wake-up, and wireless relay functions, greatly improving the functionality and efficiency based on the high-performance MCU.
The internal data processing adopts a three-level cache, greatly increasing the stability and real-time performance of the data.
Supports license-free ISM 433MHz band and 470MHz meter reading band.
Adopts LoRa spread spectrum technology, which has strong anti-interference performance and long communication distance.
Supports users to set their communication keys, which cannot be read, greatly improving the confidentiality of user data.
Supports up to 1W (about 30dBm) of transmit power.
Support AT command configuration
Support Modbus programmable register read/write operation, flexibility to customize the product function.
Supports Wake-on-Air, i.e. ultra-low power consumption, suitable for battery-powered applications.
Support transparent transmission, fixed-point transmission, broadcast transmission, channel monitoring, wireless relay and other functions.
Support deep sleep, and the power consumption in this mode is about 2uA.
Supports data transfer rates from 0.3k to 62.5k bps
Industrial standard design, supporting long-term use at -40 ~ + 85.
Antenna is optional,U.LF connector or stamp hole.
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