CN
HOMEPRODUCTSFSK FRONT-END MODULES RF4438PRO : SI4438 433MHZ 100MW FRONT-END RF MODUL...
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module
RF4438PRO : Si4438 433MHz 100mW Front-End RF Module

RF4438PRO : Si4438 433MHz 100mW Front-End RF Module

  • 433MHz RF module RF4438PRO adopts Silicon Lab EzradioPro2 RF transceiver si4438, which is a highly integrated wireless ISM band transceiver chip. The features of high sensitivity (-124 dBm), +20 dBm output power, low current consumption, 10PPM crystal, and good RF matching circuit make this module work well in hot/cold environment with reliable communication and long distance.
  • RF4438PRO is manufactured and tested strictly using lead-free process and complies with RoHS and Reach standards.
Parameter Min Typ Max Unit Condition
Working Condition
Working voltage range 1.8 3.3 3.8 V  
Temperature voltage -40   85  
Current  Consumption
Receiving current   14   mA  
Transmitting current   85   mA @20dBm
Sleep current   < 0.1   uA  
Parameter
Frequency range 425 433 463 MHz @433MHz
470 490 510 MHz @470MHz
Modulation rate 0.1   500 Kbps FSK
Output power range -20   20 dBm  
Receiving sensitivity   -124   dBm @data=500bps
Modulation (G)FSK
Chip si4438
Frequency 433MHz
Output Power 100mW
Interface SPI

Features of 433MHz RF Module RF4438PRO

  • Frequency:433MHz(customizable  425-525MHz)
  • High Sensitivity up to -124dBm
  • Max output power:20dBm
  • 14mA @ receiver mode
  • Data transfer rate:0.1-500Kbps
  • (G)FSK, OOK Modulation mode
  • 1.8-3.8 V Power supply
  • Ultra-low consumption shutdown mode
  • Digital received signal strength indicator (RSSI)
  • Timed wake-up function
  • Excellent antenna match circuit and bi-direction communication
  • Configurable packet structure
  • Preamble detection
  • 64/128byte transmit and receive data register(FiFo)
  • Low-battery detection
  • Temperature sensor and 8-bit analog-to-digital converters
  • Operating Temperature Range:-40 ~ + 85 °C
  • Integrated voltage regulator
  • Frequency hopping
  • Power-on reset function
  • Built-in crystal adjustment function

Applications of 433MHz RF Module RF4438PRO

  • Remote control
  • Remote meter reading
  • Home security alarm and remote keyless entry
  • Industrial control
  • Home automation remote sensing
  • Individual data records
  • Toys control
  • Sensor network
  • Tire pressure monitoring
  • Health monitoring
  • Wireless PC peripherals
  • Tag reading and writing

Typical Application Circuit of 433MHz RF Module RF4438PRO

Pins of 433MHz RF Module RF4438PRO

 

Pin NO. Pin Name Description
1 GND Power ground
2 NC NC
3 GPIO0 GPIO0 of Si4468
4 GPIO1 GPIO1 of Si4468
5 VCC Positive power supply 3.3V
6 SDO Serial data out for SPI interface.
7 SDI Serial data in for SPI interface
8 SCLK Serial data clock for SPI interface
9 nSEL Serial data selection for SPI interfaces.
10 nIRQ Interrupt output
11 SDN Power down control. SDN = 1, power down SDN = 0, normal working
12 GND Power ground
13 GND power ground
14 ANT Connect with 50 ohm coaxial antenna

Mechanical dimensions of 433MHz RF Module RF4438PRO

Contact Us
Privacy Policy

Privacy Policy

· Privacy Policy

There is currently no content available


           

Email:sales@nicerf.com

Tel:+86-755-23080616

Address:309-314, 3/F, Bldg A, Hongdu business building, Zone 43, Baoan Dist, Shenzhen, China


×
Submit