Midland 18-258 40-Channel Glass-Mount CB Antenna 27mhz Universal Cb Antenna Uniquely Designed Antenna Allows Easy Installation; Works On Any Vehicle; Special Process Transfers Energy From 1 Side Of Glass To The Other Without Wires Antenna Is Complete With Prewired Cable & All Necessary Installation Material; 17-7 Stainless Steel Rod With Black-kote Finish Antenna Radiator Removes Easily For Car Washes, Etc.; Blister Packed In A Display Package 40 channels Ideal for placement on glass, no holes necessary Handles a maximum of 10 watts of power Place on back window for best performance