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RF4432-B | SI4432 Wireless Transceiver module, Distance 2500m
$16USD

RF4432-B Features

  • Ultra-thin ultra-small (38x20mm)
  • Using the latest version of the U.S. SI4432 IC
  • Frequency range: 433.92M
  • Sensitivity up to-121dBm
  • Ddata transfer rate:0.123-256kbps
  • FSK, GFSK and OOK modulation
  • Power supply: 1.8-3.6 V

 

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Product Infomation

The module is based on SI4432 from Silicon labs.The -121dBm and +20dBm output power ensures extended range,make the module suitable for long range applications.Its communication distance up to 2500m.User can modify the internal parameters through the SPI interface.The Module is with a nickel-plated shield cover to enhance anti-interference ability greatly. 
  • Ultra-thin ultra-small (38x20mm)
  • Good harmonics
  • The penetration ability (measured through 4-6 floors)
  • Using the latest version of the U.S. SI4432 IC, stable performance
  • Frequency range: 433.92M
  • Sensitivity up to-121dBm
  • Maximum output power: 20dBm
  • Ddata transfer rate:0.123-256kbps
  • FSK, GFSK and OOK modulation
  • Power supply: 1.8-3.6 V
  • Ultra-low-consumption shutdown mode
  • Digital received signal strength indication (RSSI)
  • Wake time
  • Automatic matching and two-way antenna switch control
  • Configurable packet structure
  • Preamble detection
  • 64-byte send and receive data register (FIFO)
  • Low power detection
  • 8-bit ADC and temperature sensor
  • Operating temperature range: -20 ~ +60 ° C
  • Integrated voltage regulator
  • Frequency hopping
  • Power-on reset function
  • Built-in lens adjustment

Pin Define

Pin No. Pin Definition Description
1 VCC Power supply
2 GND Ground
3 NC No Connect
4 NC Connect
5 SDN Shutdown input pin.0–VDD V digital input.SDN should be = 0 in all modes except Shutdown mode.When SDN =1 the chip will be completely shutdown and the contents of the registers will be lost.
6 nIRQ General Microcontroller Interrupt Status output
7 nSEL Serial Interface Select input. 0– VDD V digital input.This pin provides the Select/Enable function for the 4-line serial data bus. The signal is also used to signify burst read/write mode.
8 GND Ground
9 SCLK Serial Clock input.0–VDD V digital input.This pin provides the serial data clock function for the 4-line serial data bus. Data is clocked into the Si4430/31/32 on positive edge transitions. 
10 SDI Serial Data input. 0–VDD V digital input. This pin provides the serial data stream for the 4-line serial data bus.
11 SDO 0–VDD V digital output that provides a serial readback function of the internal control registers
12 GPIO2 Test receiver sensitivity 
13 NC No Connect
14 NC No Connect
15 GND Ground
16 ATN Extra antenna or TR switch control to be used if more GPIO are required. Pin is a hardwired version of GPIO setting 11000, Antenna 2 and can be manually controlled by the antdiv[2:0] bits in register 08h.

Order Infomation

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Quantity Price for RF4432-B
Qty(pcs) Price(USD)
1-30$16
30-100$15
100-300$13
300-500$11
Item Price Buy Now
RF4432-B module with spring Antenna $16USD
Option Module for RF4432-B
SMA Antenna with cable $4USD

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Customer Design Service
CoreWind also offers customer design service based on the RF4432-B  board according to customer’s requirement. Whether you need to reduce, add or modify to existing hardware, CoreWind will help customers with expert competence and rich experience.

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