RF4432F27 : 500mW Si4432 RF Transmitter And Receiver Module With 10ppm Crystal Oscillator

RF4432F27 is 500mW RF transmitter and receiver module embedded with amplifier and LNA circuit. High quality of component, tightened inspection and long term test make this module reliable for long time, long distance communication in varies environment. RF4432F27 adopts Silicon Lab si4432 RF chip, which is a highly integrated wireless ISM band transceiver. The features of high sensitivity (-122 dBm), +27 dBm output power, 10PPM crystal, and good RF matching circuit make this module work well in hot/cold environment with reliable communication and long distance.
RF4432F27 is manufactured and tested strictly using lead-free process and complies with RoHS and Reach standards.

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Parameter	Min	Typ	Max	Unit	Conditions
Supply Voltage Range	3.3	5	6	V
Operating Temperature Range	-40		85	℃
RX Current		21		mA
TX Current		350		mA	@27dBm
Standby Current		< 3		uA	Register values retained, Oscillator OFF
Frequency	428	433	438	MHz	@433MHz
Frequency	863	868	873	MHz	@868MHz
Air data rate	0.123		256	Kbps	FSK
Output power			+27	dBm
Sensitivity		-122		dBm	@Data rate=1.2Kbps

Features of rf transmitter and receiver RF4432F27

Typical Application Circuit of rf transmitter and receiver RF4432F27

Pin NO.	Pin Name	Description
1	VCC	Positive power supply
2	GND	Connected to power ground
3,4	NC	Vacant, not connected
5	SDN	Power down control.
		SDN = 1, power down
		SDN = 0, normal working.
6	nIRQ	Interrupt output
7	nSEL	Serial data selection for SPI interfaces.
8	GND	Connected to power ground
9	SCLK	Serial data clock for SPI interface
10	SDI	Serial data out for SPI interface.
11	SDO	Serial data out for SPI interface
12	GPIO2	GPIO2 of Si4432
13,14	NC	Not connected
15	GND	Connected to power ground
16	ANT	From 50 ohm coaxial antenna