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A short-range device (SRD), described by ECC Recommendation 70-03, is a radio-frequency transmitter device used in telecommunication that has little capability of causing harmful interference to other radio equipment.
Several online retailers and drone technology companies are marketing the sale of radio frequency jammers as drone deterrence or privacy tools. ... jammer” devices for sale for as little as $25. ...
Another SRAC device's nomenclature was RT-519, which operated in the VHF spectrum. Former British intelligence officer Richard Tomlinson mentioned SRAC devices of a cigarette pack size in his book The Big Breach: From Top Secret To Maximum Security. The text of a message was first typed on a computer and then uploaded into the SRAC device.
A near-field magnetic induction (NFMI) communication system is a short range wireless physical layer that communicates by coupling a tight, low-power, non-propagating magnetic field between devices. The concept is for a transmitter coil in one device to modulate a magnetic field which is measured by means of a receiver coil in another device.
On September 22, 2020, the SparkLight Alliance was established to formulate the NearLink short-range wireless technology standard. [16]By the end of 2021, the NearLink 1.0 standards were finalized, establishing a core end-to-end architecture that includes the NearLink access layer, basic service layer, and basic application layer.
Example of a mobile phone jammer, produced by Jammerspro. A mobile phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals and from transmitting ...
The PJT-531 Battle Field Surveillance Radar – Short Range (BFSR-SR) is a man portable 2D short-range battlefield and perimeter surveillance radar developed by the Indian Defence Research and Development Organisation ().
Korea Aerospace Night Intruder NI-100N or DUV-4, medium-range tactical reconnaissance [253] Korea Aerospace RQ-101, short-range for tactical reconnaissance [254] Korea Aerospace RQ-102, short-range for tactical reconnaissance, target detection and target designation and combat damage assessment [citation needed]
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