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