WS8403DHS is a wireless RF transceiver module designed based on Semtech's RF chip LLCC68, supporting 433/470 frequency bands, with a maximum transmit power of 30dBm and high cost performance.
This module uses the new LoRaTM modulation technology. Compared with conventional FSK and GFSK modulation technologies, it has low power density and stronger anti-interference performance, which can further improve communication reliability. At the same time, users can adjust the spread spectrum modulation bandwidth, spread spectrum factor and error correction rate by themselves.
The measured communication distance can reach 10km
Support modulation mode: LoRaTM, (G)FSK
Support 433/470/490MHz frequency band
Integrated PA and LNA, transmission power can reach 1W
Support 1.76kbps-62.5kbps data transmission rate in LoRaTM mode
Support up to 300kbps data transmission rate in FSK mode
Large FIFO capacity, support 256Byte data cache
Supported spreading factor: 5-11
Supported coding rate: 4/5, 4/6, 4/7, 4/8
Support low-rate mode, can enable low-speed optimization
4-wire SPI communication interface, can be directly connected to various microcontrollers
Wide voltage operating range: 4.5V-5.5V
Industrial standard design, support -40℃~85℃ long-term use
Dual RF interface optional, U.LF connector or stamp hole
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