This is a 2.4GHz 6dB car rooftop Omni directional antenna for transceiver. There is a big magnet on the bottom which could stick to the iron parts.
It is especially tuned to get the strongest signal possible, every aspect of this product have been tuned very precisely. Using this antenna, you can get a higher receiver and transmitter range. It can work with our other 2.4G wireless transmitter and receiver kit.