Canister Antenna Solutions Canister Antennas One, Two and Three-Sector antennas inside a small, low visual impact cylindrical enclosure. Discretely deployed as flag poles, roof-top vents, street lamps or telephone poles. Available in single and multi-bands for base station, DAS and small cell applications. Cylindrical Antenna Accessories Accessories for Cylindrical Antennas include flag adapter kits, roof-top supports and extensions. UNICELL Antenna Enclosures & Accessories UNICELL antenna enclosures are designed to accept "off-the-shelf" base station antennas and offer long long-term flexibility by allowing antennas on each sector to be individually replaced as coverage requirements or available spectrum change.