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Public Safety Distributed Antenna System (PS DAS)
Jan , 09 2021
A Public Safety Communications system is a wireless communications system used by first responder and emergency services personnel such as police, fire, emergency medical, homeland security, and disaster response agencies to prevent or respond to incidents or situations that pose a threat to people or property. Bands of frequencies, especially in the VHF and UHF parts of the spectrum, were allocat...
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What is a 5G ceramic filter? Will ceramic filters become mainstream?
Sep , 07 2024
Ceramic filters are made of lead zirconate titanate ceramic material. This ceramic material is made into sheets and coated with silver on both sides as electrodes. After DC high-voltage polarization, it has a piezoelectric effect. It plays a filtering role and has the characteristics of stability and good anti-interference performance. It is widely used as a frequency selection component in variou...
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