Cell Phone Signal Booster Network Extender Amplifier for 3G Verizon, DIY Mobile Phone Signal Repeater Enhancer for CDMA 210MHz for Home Office Boost Vioce Call and Data, High Gain - Yahoo Shopping
Homemade Cell Phone Signal Booster: 4 Genius DIY Hacks
DIY Strat (and other guitar & audio projects): Building a quick Brian-May-style treble booster on Veroboard