Message transmission device, and a message transmission system a
Message unit for use with multi-beam satellite-based messaging s
Message/response tracking system and method for a two-way select
Messaging peripheral with secure message data function
Messaging system and method having roaming capability and contro
Messaging system having roaming capability
Messaging terminal with voice notification
Messaging terminal with voice notification
Meter data gathering and transmission system
Meter data gathering and transmission system
Meter data gathering and transmission system
Meter driving device
Meter for measuring volumetric consumption of a commodity
Meter having a communication interface for receiving and...
Meter reading data transmissiion system and method of using same
Meter reading methods and apparatus
Meter reading methods and apparatus
Meter reading system
Meter reading system
Meter register having an encoder for measuring material flow...