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DWM-RF4432 433MHz /868MHz /915MHz +20dBm Wireless Transceiver Module
  • DWM-RF4432 433MHz /868MHz /915MHz +20dBm Wireless Transceiver Module

DWM-RF4432 433MHz /868MHz /915MHz +20dBm Wireless Transceiver Module

DWM16012602

DWM-RF4432 is 433MHz /868MHz /915MHz ISM Free band adopts Silicon Lab Si4432 RF chip and Hoperf RFM22B +20dBm wireless transceivers module.

Center frequency

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3,85 $
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Описание

Product Description

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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DWM16012602
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DWM-RF4432 433MHz /868MHz /915MHz +20dBm Wireless Transceiver Module

DWM-RF4432 is 433MHz /868MHz /915MHz ISM Free band adopts Silicon Lab Si4432 RF chip and Hoperf RFM22B +20dBm wireless transceivers module.

Write your review

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