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RF4438PRO 100mW SPI Interface Embedded Wireless Transceiver 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.

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Features&Application

Features

  • 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


Application

  • 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


Specification

Specification

function description

Schematic


Pin & Dimension

Schematic

                                                  

Mechanism Dimension

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