DWM-RF4432 is 433MHz /868MHz /915MHz ISM Free band adopts Silicon Lab Si4432 RF chip and Hoperf RFM22B +20dBm wireless transceivers module.
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Delivery policy
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Return policy
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Features:
* Frequency Range: 315/433/868/915（Customizable 240-930 MHZ）
* Sensitivity up to -121 dBm
* Data transfer rate：0.123-256 kbps
* FSK and GFSK Modulation mode
* 1.8-3.6 V Power supply
* Ultra-low consumption shutdown mode
* Digital received signal strength indicator (RSSI)
* Time wake-up function
* Excellent antenna match circuit and bi-direction communication
* Configurable packet structure
* Preamble detection
* 64-byte transmit and receive data FiFo
* Low battery detection
* Temperature sensor and 8-bit analog-to-digital converters
* 10PPM crystal with 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
* Sensor networks
* Industrial control
* Tire Pressure Monitoring
* Home automation telemetry
* Health Monitoring
* Personal data records
* Wireless PC peripherals
* Toy control
* Tag reader
Schematic:
|
Pin Number |
Pin Definitions |
Description |
|
1 |
GND |
Connected to power ground |
|
2 |
GPIO0 |
Internally by module transmitter control foot |
|
3 |
GPIO1 |
Internally by module receives control foot |
|
4 |
GPIO2 |
GPIO2 pin chip directly connected |
|
5 |
VCC |
Positive supply 1.8--3.6V |
|
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.The pin is a 4-wire serial data stream of serial data bus. |
|
8 |
SCLK |
Serial clock input. 0 ~ VDD V digital input.This pin provides a 4-wire serial data clock function. |
|
9 |
nSEL |
The serial interface input pin. 0 ~ VDD V 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 |
Digital input. When SDN = 0, module not in shut down mode, When SDN = 1 module will be completely closed and the register values will be lost.. |
|
12 |
GND |
Connected to power ground |
|
13 |
ANT |
From 50 ohm coaxial antenna |
|
14 |
GND |
Connected to power ground |
Mechanism dimension
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DWM-RF4432 is 433MHz /868MHz /915MHz ISM Free band adopts Silicon Lab Si4432 RF chip and Hoperf RFM22B +20dBm wireless transceivers module.
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