1, radio frequency burglar alarm, is the most widely used, the longest time and the most cost-effective burglar alarm on the market at present. At present, the sales volume of RF burglar alarm is the largest in China, and it is often used in supermarkets, clothing stores and boutiques.

2. At present, electromagnetic wave burglar alarm is only used in a few supermarkets, mainly bookstores and libraries.

3. Acoustic magnetic burglar alarm The burglar alarm with the most advanced technology represented by acoustic magnetism has the advantages of wide distance and low false alarm rate since it went on the market. But the price is high, and the main users in the market are large supermarkets at present. 、

Baodi anti-theft device is the main product in RF antenna. The product quality is better, and there are many users, and there are a large number of users all over the country.