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Electronic Warfare Vehicle (EWV) is a kind of equipment used in electronic warfare operations, mainly used to interfere with electronic equipment such as enemy radars and communications, thereby reducing its combat effectiveness. For different types of electronic equipment, electronic anti-jamming vehicles need to have different jamming frequency bands. The following are several frequency bands commonly used by electronic signal jammer vehicles:

VHF frequency band (30~300MHz): VHF frequency band is mainly used for radar communication and navigation, and is a very important frequency band in modern military operations. Electronic countermeasures jamming vehicles can interfere with the work of enemy radar and communication equipment in this frequency band by emitting specific signals, thereby achieving the purpose of destroying the enemy's command system.

UHF frequency band (300~3000MHz): UHF frequency band is mainly used for radar detection and TV signal transmission, and is a very important frequency band in modern electronic communication. Electronic countermeasures jamming vehicles can interfere with the work of enemy radar and communication equipment in this frequency band by emitting specific signals, thereby achieving the purpose of destroying the enemy's command system.

L frequency band (1~2GHz): L frequency band is mainly used for radar and communication, and is a very important frequency band in modern military operations. Electronic countermeasures jamming vehicles can interfere with the work of enemy radar and communication equipment in this frequency band by emitting specific signals, thereby achieving the purpose of destroying the enemy's command system.

S-band (2~4GHz): S-band is mainly used for radar and communication, and is a very important frequency band in modern military operations. Electronic countermeasures jamming vehicles can interfere with the work of enemy radar and communication equipment in this frequency band by emitting specific signals, thereby achieving the purpose of destroying the enemy's command system.

C-band (4~8GHz): C-band is mainly used for radar and communication, and is a very important frequency band in modern military operations. Electronic countermeasures jamming vehicles can interfere with the work of enemy radar and communication equipment in this frequency band by emitting specific signals, thereby achieving the purpose of destroying the enemy's command system.

In addition to the above frequency bands, electronic countermeasures jamming vehicles can also interfere with other frequency bands, and the specific frequency bands of interference depend on the enemy's electronic equipment. Since the jamming frequency bands of electronic countermeasures jamming vehicles are usually classified, in actual combat, the specific frequency bands of jamming vehicles may not be made public. However, based on the propagation characteristics of electromagnetic waves and signal processing technology, the enemy may also use signal monitoring and spectrum analysis to infer the interference frequency band and interference method of the jamming vehicle. Therefore, the electronic countermeasure jamming vehicle also needs to take corresponding measures to protect its own Concealment and distraction effects.

In short, electronic countermeasures jamming vehicles need to have jamming capabilities in multiple different frequency bands in order to be able to effectively deal with different types of enemy electronic equipment. The frequency band selection and jamming technology level of the jamming vehicle are also one of the important indicators to measure the electronic countermeasure capability. In modern electronic warfare, the electronic countermeasure jamming vehicle has become an indispensable combat equipment, which plays an important role in ensuring our combat effectiveness and attacking the enemy's command system.