Cellular Jammer with 30 Meter Radius

March 24, 2004 at 01:20 PM in

We're pretty sure these aren't legal here in the US, but this cellular jammer blocks ALL cellular signals, including analog (AMPS, TACS) and digital (GSM, CDMA, TDMA, PHS, PCS). As often as I've watched someone eat at a restaurant while talking on their cellphone, I wish they would implement these in certain places. As you can imagine, it's not a pretty sight to see.

Cellular Jammer cover 30 Meters radius(SH-066BM) - Suresafe Technology Inc.

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Reader Comments

Boots @ March 24, 2004 10:37 PM

Thw whole point of not allowing cellphones in hospitals is to prevent microwave radiation buggering up the diagnostic and support machinery. (EEG's and EKG's are very sensitive devices and are often used to provide feedback/control for other medical devices)
Would not a device broascasting maximum power on ALL cell freq's in all cell formats be much worse than the odd cell phone here and there?

birq @ March 25, 2004 06:22 AM

I'd think so, but one of the features on the website is (I'm not making this up -- this is pure copy and paste):

"Prevent medical instruments should not disturbance by cellular signal."

From http://suresafe.ebigchina.com/cd_bizsite.php?siteId=6823&siteLang=4&pc=ma&pc2=&pc3= I found:

"This advance cellular jamming device utilizes unique and intelligent technique that interferes the linkage between cellular handset and cellular base station by very low output power radio signals."

which makes me think that it jams with a weak enough signal that it doesn't interfere with medical equipment.