LG 47/55LX9500 Owner's Manual page 241

Table of Contents
1. Overview and specification
of the remote controller
(1 ) Overview
(2) Specification
2. Precautions
3. Customer Support
4. Attention complaint of nations
(1) Overview
This remote controller is a product that
can control the TV by using it as if it were
a wireless mouse in user's residence.
While the existing infrared remote controllers
were used for the products that are within
the sight of the user, this product is a
RF remote controller with frequency range
of 2.4GHz that can control appliances
located within distance of 12m regardless
of the direction within user's residence.
(2) Specifications