GT02 is a specially designed indoor tv antenna for digital terrestrial TV reception, based on advance military technology. It connects to your set top box (or IDTV) through a 3m cable. The antenna is active (30dB) and can be powered by a digital set top box, or Integrated Digital TV (thru usb cable supplied). It built in Dual signal amplifier ,super signal reception,This antenna has been tested and is optimised for use in Singapore for indoor DVB-T2 reception (digital free-to-air) of the 7 Mediacorp channels (Channel 5 HD, Channel 8 HD, Suria HD, Vasantham HD, Channel News Asia, Channel U, and Okto).