rf-42sh module is a lora spread spectrum module based on sx1278 chip of semtech company. wireless spi transparent transmission module 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,smt package

spi 410mhz---525mhz 3000m transmitting distance sx1278 lora module for long range irrigation systems

 

the rf-42sh module is lora spread spectrum module, which based on the semtech sx1278. it is wireless spi transceiver module with 3.3v ttl level output. and it’s working frequency band is 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. lora meets battery power requirements and is suitable for applications with ultra-low power consumption.

 

pin nonametypedescription
1gndpground
2gndpground
3dio5i/oconfigurable universal io port
4dio4i/oconfigurable universal io port
5dio3i/oconfigurable universal io port
6dio2i/oconfigurable universal io port
7dio1i/oconfigurable universal io port
8dio0i/oconfigurable universal io port
9resireset pin
10vccppower supply, range from 3.3v to 5.3v (5v is recommended, as external ceramic filter capacitor)
11sckispi clock input pin
12misoospi data output pin
13mosiispi data output pin
14nssimodule chip select pin for starting spi communication
15txenirf switch pin control; txen is high when transmitting, rxen is low.
16rxenirf switch pin control; rxen is high when receiving, txen is low.
17gndpground
18rfoantenna port
lora application

 

our company

 

packaging & shipping

 

faq

 

contact us


recommended footprint

图片关键词

pin attributes

图片关键词

pin nonametypedescription
1gndpground
2gndpground
3dio5i/oconfigurable universal io port
4dio4i/oconfigurable universal io port
5dio3i/oconfigurable universal io port
6dio2i/oconfigurable universal io port
7dio1i/oconfigurable universal io port
8dio0i/oconfigurable universal io port
9resireset pin
10vccppower supply, range from 3.3v to 5.3v (5v is recommended, as external ceramic filter capacitor)
11sckispi clock input pin
12misoospi data output pin
13mosiispi data output pin
14nssimodule chip select pin for starting spi communication
15txenirf switch pin control; txen is high when transmitting, rxen is low.
16rxenirf switch pin control; rxen is high when receiving, txen is low.
17gndpground
18rfoantenna port


hardware datasheet
label: sx1278 lora spi