Dipole 2dBi Antennas Ezurio offers 902-928 MHz and 2.4-2.5 GHz Dipole 2dBi Antennas for reverse polarity SMA Connectors. Ezurio's Dipole 2dBi Antennas have +2dBi gain, 50Ω impedance, linear vertical polarization, 13g of weight, ≤2.5:1 VSWR, black antenna color, and more. The 2.4GHz to 2.5GHz antennas measure 105x10mm, and the 902MHz to 928MHz antennas measure 210mm x 10mm.