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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.
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.
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Short Range Devices may also use frequencies available for unlicensed such as 315 MHz and 868 MHz. RF modules may comply with a defined protocol for RF communications such as Zigbee , Bluetooth Low Energy , or Wi-Fi , or they may implement a proprietary protocol .
The manufacture, importation, sale or offer for sale of jamming equipment violates Section 302(b) of the Communications Act of 1934, the FCC says. An FCC representative confirmed Friday that the ...
Therefore the range of near-field devices is conventionally divided into two categories: Short range: up to about one antenna diameter: D range ≤ D ant. [65] [67] [69] This is the range over which ordinary nonresonant capacitive or inductive coupling can transfer practical amounts of power.
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