• Long-distance wireless transmission (opening 1200 m/FU4 mode, air baud rate 1000bps)
  • Operating frequency range (433-458.5MHz, up to 255 communication channels)
  • Maximum 100mW (20dBm) transmit power (8-speed power can be set)
  • Four working modes, suitable for different applications
  • Built-in MCU, communicate through serial port and external device
  • The number of bytes sent at one time is up to 256 bytes.
  • Module supports one-to-one, one-to-many, many-to-many connection transparent transmission
  • Model GT-38
  • Module size 26.7×12.9×6mm
  • Chip Solution SI4438
  • Working frequency band 433~458.5MHz
  • Communication Interface UART 3.3V/5V TTL Level
  • Antenna interface spring antenna / antenna socket
  • Working voltage 3.2~5.5V
  • Sleep current no sleep mode
  • Communication level 3.3V/5V level
  • Working humidity 10%~90%
  • Transmit power 20dBm (MAX)
  • Working temperature -25°C~+75°C
  • Reference distance 1200m
  • Storage temperature -40°C~+85°C

Documentation please see on this page.


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