Ltpgtthe lightwaverf link allows any lightwaverf device in the home to be controlled remotely by any smartphone or tablet at home or away you can use the app to monitor and adjust the temperature and programme heating controlsltpgtltulgtltligttx transmitterltligtltligtrx receiverltligtltligtremote controlltligtltligtradio frequency 433868 mhzltligtltligtmax unique channels 256ltligtltulgt