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: -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: 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: -30 ~ 80 Size : 80mmx 50mm x 20mm(with casing) 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. Size : 80mmx 50mm x 20mm(with casing)
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