This listing is for 1. Factory closeout surplus at 75% below usual sale prices. Industrial grade, quality made here in our Florida mfg and test labs. Solid well made 7.5x7.5" and 1/2" thick with N type female connector rear side, as shown See the pictures. Great huge signal for Alfa and other wireless cards on 2.4 GHz.. This antenna permits high power. The cable is low-loss.It is outdoor rated, Performance is a true 14.5--15.2  dBi (linear polarization) vertical or horizontal beamwidth at 35° (-3dB point). Requires a coaxial cable for connection to your WiFi device, not included. Buy an N-male SMA-RP male cable of very high quality from Simplewifi or other sellers. Closeout no returns, all items tested before shipping.