rf-42uh 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: full frequency coverage,uart transparent transmission

low power consumption 3000 meters sx1278 uart 410mhz---525mhz lora module 

 

rf-star rf-42uhup 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.

pinnonametypedescription
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 sending data, then pulled high when completed.wake up the pin periodically, pull up when waking up.
7vccppower supply, range from 3.3v to 5.2v.
8gndpground
9res_mcuireset pin, hanging.
10gndpground, hanging.
113v3_mcuiovcc(power supply pin when burning the program)
12swim_mcuioswim pin of internal mcu
13pb0iohanging
14pb1iohanging
15pb3iohanging
16gndpground
17gndpground
18antioantenna port
19gndpground
lora application

 

our company

 

packaging & shipping

 

faq

 

contact us


recommended footprint

图片关键词

pin attributes

图片关键词

pinnonametypedescription
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 sending data, then pulled high when completed.wake up the pin periodically, pull up when waking up.
7vccppower supply, range from 3.3v to 5.2v.
8gndpground
9res_mcuireset pin, hanging.
10gndpground, hanging.
113v3_mcuiovcc(power supply pin when burning the program)
12swim_mcuioswim pin of internal mcu
13pb0iohanging
14pb1iohanging
15pb3iohanging
16gndpground
17gndpground
18antioantenna port
19gndpground


hardware datasheet