This is an incredible RF product- the World's smallest 2.4 GHz video receiver with amazing sensitivity and easy to use unit! Special made for video surveillance applications. It has a direct video output to the any TV monitor. The antenna connector is SMA type. The power is 9-12V / 180mA. The frequency is adjustable from 2.2 GHz-2.7 GHz. This pocket size receiver measures only 2.5" X 3" X 1".