We can get the following answer: "6EP 1333-3BA10" is a model of the SITOP PSU200M series. The input voltage range of the power supply is 120/230- 500V AC, the output voltage is 24V <anno data-annotation-id ="9998884c-444a-444a-996a-9999999999999"> D </anno>, and the output current is 5A. The price of this model was 7933.58 yuan.
EP-3 and High-Tech 3 were two different aircraft models. EP-3 was a strategic reconnaissance aircraft improved by Lockheed Martin based on the P-3 Orion anti-submarine patrol aircraft. It was used for electronic intelligence reconnaissance missions. The EP-3 was equipped with an advanced radar system, intelligent computer control system, and surveillance antenna system. It was considered one of the most advanced reconnaissance aircraft in the world. High-tech No. 3 was a battlefield command aircraft developed by the Chinese Air Force, similar to the UA's FC-130. It was equipped with an airborne battlefield command and control system, which was mainly used for the exchange of information between the air, air, and ground to unify the command and coordination of various combat units on the battlefield. EP-3 and High-Tech 3 were different in function and usage. EP-3 was mainly used for electronic intelligence reconnaissance, while High-Tech 3 was mainly used for battlefield command.