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July 2004:The FCC approves new regulations that will allow the legal use of the Pringles can and other antennas. It was previously legal to sell antennas; not legal to deploy them. Call it the switchblade kit rule: legal to sell, but don't assemble. The FCC's new rule provides a middle ground: a manufacturer can certify their hardware with the highest gain legal antennas of each type (yagi, omni, etc.) and then end-users can swap in antennas of equal or lesser signal characteristics. It's an important move because it removes the potential for community wireless and individual users to be prosecuted for illegal antennas once new certifications are in place.Antenna connectors such as RP-SMA and RP-TNC were origionally devised to help prevent the use of aftermarket antennas. See [[WiFi and Cellular Radio Cables and Connectors]].