1, launch power: big power distance, but power consumption is big, easy to produce interference;
2, receiving sensitivity: receiving sensitivity of the receiver, remote control distance increases, but vulnerable to interference caused by misoperation or out of control;
3, antenna: using linear antenna, and parallel to each other, remote control distance, but to occupy the space is large, antenna, straighten long can increase in the use of remote control distance;
4, height: the higher the antenna, remote control the farther the distance, but restricted by objective conditions;
5, block: use the wireless remote control using the UHF frequency bands stipulated by the state, its propagation characteristics and light approximation, linear propagation, diffraction is small, if there is a wall block between transmitters and receivers will be greatly discounted remote control distance, if it is reinforced concrete walls, due to the effect of absorption of the conductor to the waves, is even more impact.