For Mexico police we customized a 6 channel car mount signal jammer to force the drone return home and not chasing car anymore.
Customized:
* 6 channel
*2.4G 3 channel(100W,30W,30W)
*5.8G 3 channel(30W,30W,20W)
* Jamming range: about 1000-2000 meter radius
Specification
* 7-12 Channel jamming customized
* Total Output Power: 410 W
* Power Consumption: < 840W
* Single Channel Separate Control Button
* LCD screen Display: to show Remaining Capacity
* Jamming range:
1000 - 2000 meter Radius for the drone signal (depends on real environment )
100 - 300 meter Radius for the remote control VHF UHF mobile phone signal
* Built-in rechargeable lithium battery: 1.5 to 2 hour
* Size: 52*40*66 cm
* Weight: about 35.0 kg
* Accessory: AC adapter
* Remote control: YES
* Anti shock high gain fiberglass antenna