... used foronly Cell Phones but also boost the reception on Two Way Radios, PDA's, Walkie Talkies, ... gold color. It also comes with instructions on how to install and test your new antenna booste.The Benefits:1 ... elevators, cars, buildings, tunnels, and mountains. 3) Works on any Analog, Digital, and Tri-band phones.4) Eliminate ... resale! Antenna Booster Sticker Generation II with new small Green packing