How to choose drone signal jammer?

I want to buy a drone jammer, but I don't know how to choose it. Can someone give me some advice?

Hello, Cash

Here are a few questions you need to know before choosing a drone jamming device:

1. How much jamming range is required

2. Manual or automatic jamming is required

According to distance, the uav jamming equipment is divided into low-altitude jammer and high-altitude jammer.

According to function division, uav jamming equipment is divided into drone jammer gun and automatic unmanned jamming device