The ANT24-0501C 5dBi indoor omni-directional antenna can increase the effective wireless operation range of 802.11b and 802.11g wireless devices. Providing 5dBi peak gain, it can be connected to a wireless access point or router to improve signal transmission and reception in the omni 360 degrees direction and provide point to multi-point wireless signal coverage. Wireless devices with lower Gain detachable antennas can use this antenna to get signal transmission/reception. The ANT24-0501C antenna is equipped with an RP-SMA plug and can be attached to a wireless device equipped with an RP SMA receptacle. To attach the ANT24-0501C simply remove the default detachable antenna from the wireless access point or router, and connect the ANT24-0501C antenna to the RP-SMA receptacle of the wireless device. For wireless devices equipped with RP TNC receptacles, an RP-SMA to RPTNC adapter is provided to facilitate connection.