VW321A Series Wireless Module
The VW321A series wireless module provides the capability of a short range, reliable wireless point-to-point, point-to-multipoint and mesh network RF data communications link. They can be used in a variety of data communications applications that require a simple to use invisible data link.
The wireless modules are designed to operate in the unlicensed ISM frequency band (315MHz/433MHz/868MHz/915MHz ISM band) and are therefore acceptable for use in many countries.
Features:
-Radio Chip: Silabs Si4432
-4 Operation modes: Transparent mode, Transparent secured mode, Addressed mode and Addressed secured mode.
-Repeater supported
-Integrated wireless link protocols
-Deep sleep mode (Power down mode) /Wakeup Control
-Server-Client mode
-Broadcast Multi-drop mode
-Easy configuration by AT commands.
-Easy configuration with a user friendly control panel on PC.
Major parameters:
Radio Chip : Silabs Si4432
Frequency band : 315/433/868/915MHz
Interface : RS232/RS485/USB
Modulation : 2-FSK
Max. Tx. Power : 1W (+30dB)
Supply Voltage : 5V
RF data rate : 1200BPS ~ 128kbps
Channel numbers : Multi- channel
Linkage range : 2km linkage range at 9600BPS, L. O. S
Operate temperature: -30ºC ~ 80ºC
Size : 80mmx 50mm x 20mm
Interface footprint: Terminal Block/USB
Antenna impedance : 50Ω
Major applications:
Wireless 232 or 485/422 data link
Water, electricity, gas and other automatic meter reading (AMR)system;
Building automation system; Security entry system;
Intelligent traffic; Vehicle Control;
Wireless scanner;
Restaurant Order System Management;
Industrial control, remote sensing, automatic data collection system;
Wireless data transmission; Digital audio, digital image transmission;
Wireless electronic display screen;
Telemetric systems
Oil Well Measuring, Environmental Protection Monitoring
Hydrology Water Level Monitoring
Robot Controls
Wireless conference system; Wireless micro solutions
etc.
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