RF Module WS239

Product overview

It provides wireless connection for point-to-point star network, supports transparent transmission and API transmission. WS239 has a rich AT command set, which can help users achieve flexible configuration and quickly meet user application requirements.

Functional features

  • ISM frequency band, supporting 433MHz/475MHz/868MHz, in line with the national standards of the Commission and the CE standards
  • Ultra-small size: 12(L)×12 (W)×2.5(H) mm
  • Support AT command local parameter configuration
  • Support API local and remote parameter configuration
  • Support point-to-point and point-to-multipoint communication
  • Support rate adaptation
  • Support API mode and transparent mode
  • Support relay directed broadcast function
  • It has a retransmission mechanism to ensure the stability of data transmission
  • SPI interface and UART interface
  • Support AES128 data encryption
  • Technical ParametersView details

    Modulation method: 2-FSK, GFSK

    Working frequency: 433MHz/475MHz/868MHz

    Line-of-sight communication distance: 1000m

    Air rate: 2.4/4.8/9.6/10/25/50/100/200/250 kbps

    Number of communication channels: 196

    Maximum transmit power: 14dBm

    Receiving sensitivity: -110dBm @10kbps

    Working voltage: 2.0V~3.8V

    Current characteristics:

    Transmitting current: <22mA @14dBm

    Receiving current: <10mA

    Sleep current: <1μA

    Interface: UART, SPI

    Working temperature: -40ᵒC~+85ᵒC

    Working humidity: 10%~90% RH, no condensation

    Dimensions: 12.0mm × 12.0mm ×2.5mm

    Weight: 2.5g

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