Vedard Security Alarm Technical Support

FBSB-YA3201-proof non-coding manual fire alarm button switch push button, suitable for installation in containing C and DIP A21 TA level, temperature class T6 explosive atmosphere place when manually confirmed the fire after the accident, press this button, It can send an alarm signal to the fire al...

FBGW-YA3204 proof point type heat detectors (the detectors) non-coding switching (relay output) detector suitable for installation in explosive gas atmospheres sites containing C level T6 temperature class can be any at home and abroad manufacturers of fire alarm controller supporting the use. This ...

Explosion-proof gas detector ExdIICT6 Explosion mark. Industry gas detector for oil field oil stock chemical factory combustible gas (or toix gas) detector with audio and visual alarm on spot. The lower explosive limit (LEL) refers to the lower explosive concentration value (V%) of combustible gas.T...

Commercial security and industry security addressable fire alarm system with LPCB certificate. Content: 1. Automatic Fire Alarm System 2. Gas fire extinguishing control system 3. Graphic Display unit 4. Explosion-proof system 5. Intrinsically safe system 6. Combustible gas alarm control system 7. As...

Combustible gas detector is used for home security or industry security. GA543-A is used for home security gas leakage detector and alarm. The gas detector is designed for single station use or for connecting to fire alarm or security alarm panel. Small and compact, the design and color makes it ide...

Sprinkler heads can be installed over distribution cabinets with protection grade Ip55 or above. For Ip30 distribution cabinet, not allowed to install sprinkler heards over it. When the fire pump control cabinet is set in the special fire pump control room, its protection level should not be lower t...

PB-205R is Focus brand wireless convertor. It is used for the long distance transmission in the enrironment of strong obstancle. It can amplify the signal to the panel. Up to 60 detectors signal can be transmitted. It has tamper resistant switch for itself security. It is AC power supplied with back...

Edwardcuh wrote: ↑Fri Nov 06, 2020 6:40 am Can Burglars Jam Your Wireless Security Alarms?

No.
Our wireless security alarms has additional technology to avoid signal jamming.

Answer: Before answering this question, let’s talk about an incident that happened in a large cable company in Zhongshan, Guangdong. On a rainy night, a group of thieves held a TV remote and pointed at the infrared receiver and projector. Driving a large truck to easily cross the infrared protection...

Answer: When light encounters water droplets or water vapor, phenomena such as scattering and refraction occur, and infrared light is the same. In this way, in rainy and foggy weather, the infrared signal loses more due to refraction and scattering, and some even loses more than 70%. In this case, t...