No specific info about version 1.1. Please visit the main page of ARFC-D74 on Software Informer.
Transceiver for supported desktop and AIO models that are running Windows 7.
A desktop tool to manage and update your Vivo device.
Installs as a configuration tool and controls the TS-590S device.
Create, edit and administer data from the JVC KENWOOD TH-D74 transceiver.
This is the control software for the TS-990S transceiver.
Wireless communication between computer and mobile phone