rf-42up module is a lora spread spectrum module based on sx1278 chip of semtech company. uart, 3.3v ttl level output. working frequency range: 410mhz-525mhz. compared with the traditional rf technology, lora spread spectrum technology has the characteristics of centralized power density, strong anti-interference ability, strong security and long transmission distance.

  • transmit power: 20dbm
  • support agreement: lora
  • communication distance: 3km
  • core programme: sx1278
  • core strengths: uart transparent transmission,full frequency coverage

3ua 3000 meters transmission distance sx1278 433mhz lora module for sensor network

 

rf-star rf-42up module is a lora spread spectrum module based on the semtech sx1278 chip. wireless serial port transmission module (uart), 3.3v ttl level output. working frequency band 410mhz---525mhz. compared with traditional radio frequency technology, lora spread spectrum technology has the characteristics of concentrated power density, strong anti-interference ability, strong confidentiality and longer transmission distance. it meets battery power requirements and suitable for applications with ultra-low power consumption.

pin nonametypedescription
1gndpground
2s0icooperate with s1 to determine the module’s working mode.(no hanging, if no ground is used.)
3s1icooperate with s0 to determine the module’s working mode.(no hanging, if no ground is used.)
4rxdiuart rx signal
5txdouart tx signal
6enothe serial port is pulled high before sending data and pulled low when completed.wake up the pin periodically, pull up when waking up.when the module sends data, it is pulled high and pulled low when completed.
7vccppower supply, range from 3.3v to 5.2v.
8gndpground
9res_mcuireset pin, hanging.
10gndpground, hanging.
113v3_mcui/opower supply pin when the program loading, hanging.
12swim_mcui/oswim pin when the program loading, hanging.
13pb0i/ohanging
14pb1i/ohanging
15pb3i/ohanging
16gndpground
17gndpground
18anti/oantenna port
19gndpground
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图片关键词

pin attributes

图片关键词

pin nonametypedescription
1gndpground
2s0icooperate with s1 to determine the module’s working mode.(no hanging, if no ground is used.)
3s1icooperate with s0 to determine the module’s working mode.(no hanging, if no ground is used.)
4rxdiuart rx signal
5txdouart tx signal
6enothe serial port is pulled high before sending data and pulled low when completed.wake up the pin periodically, pull up when waking up.when the module sends data, it is pulled high and pulled low when completed.
7vccppower supply, range from 3.3v to 5.2v.
8gndpground
9res_mcuireset pin, hanging.
10gndpground, hanging.
113v3_mcui/opower supply pin when the program loading, hanging.
12swim_mcui/oswim pin when the program loading, hanging.
13pb0i/ohanging
14pb1i/ohanging
15pb3i/ohanging
16gndpground
17gndpground
18anti/oantenna port
19gndpground


hardware datasheet