VW321A RS485/RS232/232ttl/USB Rx Tx Uart 2km Wireless Transmitter

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 (433MHz/868MHz/915MHz ISM band) and are therefore acceptable for use in many countries.

Features:
-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:
Frequency band: 433/868/915MHz
Interface: RS232/RS485/USB /232TTL
Modulation: 2-FSK
Max. Tx. Power: 1W (+30dB)
Supply Voltage: USB/RS232:5V  ;  RS485:+7.5V~+24V
RF data rate: 1200BPS ~ 128kbps
Channel numbers: Multi- channel
Linkage range: 2km linkage range at 9600BPS, L. O. S
Operate temperature: -30º C ~ 80º C
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 microphone solutions etc.