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SI4432 470MHz 1000m Wireless Module 470M 433mhz Wireless Communication Module


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  • Ultra-thin small
  • Harmonic notes passed FCC/CE certification
  • Strong ability to penetrate
  • Ses the American SI4432 the latest version of IC, stable performance
  • Frequency range: 433.92M
  • High sensitivity up to -121dBm
  • Maximum output power: 20dBm
  • Data transfer rate: 0.123-256kbps
  • FSK, GFSK and OOK modulation mode
  • 1.8-3.6 V power supply
  • Ultra low power off mode
  • The digital received signal strength indicator (RSSI)
  • Timing wake-up function
  • Automatic antenna matching and bidirectional switch control
  • Configurable data packet structure
  • Before the synchronization signal detection
  • 64 bytes RX data register (FIFO)
  • Low power testing
  • Temperature sensing and 8 bit analog to digital converter
  • Operating temperature range: -20 ~ +60 C
  • Integrated voltage regulator
  • Frequency hopping
  • Power on reset function
  • Built in lens adjustment function

Pin definitions:

  1. CND power supply
  2. GPIO0 internal module, launch control foot
  3. GPI01 internal access module to accept control foot
  4. GPIO2 directly connected to the chip GIIO2 pin
  5. VCC positive supply 3.3V
  6. SDO 0-VDD V digital output provides a serial readback function of the internal control register
  7. SDI serial data input. 0-VDD V digital input, this pin for 4-wire serial data clock function
  8. SCLK serial clock input. 0-VDDV last month set of inputs. This pin provides a 4-wire serial data clock function
  9. NSEL serial interface select input pin,0-VDDV digital input. This pin to 4-wire serial data bus select / enable function, this signal is also used, said the burst read / write mode.
  10. NIRQ interrupt output pin
  11. SDN Close the input pin. Input 0-VDDV digital. SDN = 0 in shutdown mode, so mode
  12. GND access power ground
  13. ANT 50 ohm coaxial antenna

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