ARLA/CLUSTER: Detector de Fumo podem ser activados por portateis de
UHF
João Costa > CT1FBF
ct1fbf gmail.com
Quarta-Feira, 7 de Maio de 2014 - 13:21:57 WEST
Smoke detectors prone to RF interference
The WIA report that a recall on certain smoke detectors prone to RF
interference has been issued in Australia.
Photo Electric Smoke & Thermal detector 449 Series are used to detect
smoke threats and communicate to a security panel.
The recall only affects certain model numbers manufactured between
March 25th, 2013 and February 28th, 2014, which will have date codes
between 13084 & 14059.
449C
449CSTN-AA
449CTE
449CRT
449CST
449CT
What are the defects?
When the Smoke Detectors are near a device with frequency levels
ranging between 440Mhz – 470Mhz, the Smoke Detectors may possibly
become idle or activate false alarms.
Some devices, other than 70cm Amateur gear, such as Satellite Phones
and hand-held ‘Walkie Talkies’, also use this frequency range for
their operation.
http://www.recalls.gov.au/content/index.phtml/itemId/1058432
Frank VK2AKG
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