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SI4432 433M Wireless Transceiver Module Distance 1500M
Specification:
1, Ultra-thin ultra-small (16.5 × 17mm)
2, Good harmonics too easy to FCC / CE certification
3, The penetration ability (measured through 8 floors)
4, 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
Application:
1,Remote Control
2, Remote meter reading
3, Home security alarm and remote keyless entry
4, Industrial Control
5, Telemetry Home Automation
6, Personal data records
7, Toy Control
8, Sensor networks
9, Tire pressure monitoring
10, Health Monitoring
11, Wireless PC peripherals
12, Tag readers
The Pin Definitions
| Number | Pins definition | Description |
| 1 | GND | N/A |
| 2 | GPIO0 | Internal has connected the emission control module feet |
| 3 | GPIO1 | Internal has connected the receiving control module feet |
| 4 | GPIO2 | Connect the the chip GPIO2 pins directly |
| 5 | VCC | Connect power positive 3.3 V |
| 6 | SDO | 0 ~ VDDV digital output, provide the internal control of the register serial back to read function |
| 7 | SDI | Serial data input. 0 ~ VDD V digital input. The pins for the 4 wire serial data serial data flow bus. |
| 8 | SCLK | A serial clock input. 0 ~ VDDV digital input. The pins provides the 4 wire serial data clock function |
| 9 | nSEL | Serial interface choice input pins. 0 ~ VDDV digital input. The pins for the 4 wire serial data bus provides the choice/make can function, this signal is used to indicate a read/write mode |
| 10 | nIRQ | Interrupt output pins |
| 11 | SDN | Close input pins. 0 ~ VDDV digital input. In addition to shut down all the mode mode SDN = 0. When SDN = 1 chip will be completely shut down and the content of the register will be lost. |
| 12 | GND | N/A |
| 13 | ANT | Pick up the coaxial antenna 50 |
| 14 | GND | N/A |
