LoRa-SX1278 wireless module with HC-14 serial communication 433MHz frequency

the hc14 wireless module is a transceiver module based on the sx1278 chip and operates at a frequency of 433mhz. these modules are suitable for long-range and wide-spectrum communications while having low power consumption. it is built on the sx1276 communication chip and works at a frequency of 433mhz. the wireless capability and operating frequency of this communication module have made it applicable in remote control devices, smart control systems, and the internet of things, allowing it to transmit data signals within a range of 20 decibel meters. this module comes with a spring antenna, which allows data transmission distances of up to approximately 3 kilometers.

applications of the wireless module LoRa sx1278:

1. smart home and security sensors
2. remote control in industries
3. health and medical care products
4. industrial applications
5. sensor networks
6. patient status monitoring
7. reading and writing tags

specifications of hc14 wireless module:

1. operating frequency: 415 ~ 450 mhz
2. chip: sx1278 rf
3. communication interface: uart level 3.3v / 5v ttl
4. operating voltage: 3.0v - 5.5v dc
5. communication level: 3.3 volts / 5 volts
6. transmission power: 20 dbm
7. communication range: 3000 meters (wireless range s1)
8. dimensions: 4x15.6x27.4 mm
9. antenna interface: metal antenna
10. wireless speed: s1 ~ s8
11. operating current: 24 ma (receiver), 125 ma (transmitter)
12. operating humidity: 10% - 90%
13. storage temperature: -40 ~ +85 degrees celsius
14. operating temperature: -25 ~ +75 degrees celsius
15. serial communication speed: 40 bytes in 4.7 seconds

Documents:

data sheet of sx1278 chip