WS8452DHD is a high-performance LoRa UART module supporting multiple
frequency bands, featuring long communication distance and extremely low
power mode current, designed and manufactured by Chengdu Silent Smart
Technology Co.Ltd.
On-board low ripple rejection ratio (PSRR) LDO, effectively reducing the impact of power supply on RF performance.
The WS8452DHD module adds PA and LNA, effectively increasing the overall communication link and achieving longer communication distances
The WS8452DHD module adopts high-precision, high stability, low-temperature drift, wide temperature compensation active crystal oscillator TCXO, which is suitable for various complex environments and has more stable communication
All RF links use high Q wirewound inductors.
The antenna connector has an ESD protection circuit that meets the IEC 61000-4-2 testing standard
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.
Increase PA (power amplifier) in the transmission link
Increase LNA (Low Noise Amplifier) in the receiving link to increase receiving sensitivity
Adopt high precision, high stability, low-temperature drift, wide temperature complementary active crystal oscillator TCXO.
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.
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