http://www.mindspring.com/~brucec/amamp1.htm
This machine has about 12dB gain. And, maximum power is 3 watts
http://www.intio.or.jp/jf10zl/50Mlinear.htm
It has about 20dB gain. With 100mW transceiver, 2W power output can be achieved.
http://www.intio.or.jp/jf10zl/6cl6.htm
http://www.qsl.net/n9zia/wireless/ttgtg/index.html
Increase the RF output power of your wireless network card to 1 Watt.
http://www.qsl.net/n9zia/wireless/appendixB.html
The construction of linear amplifier is common interest of our homebrewer. Because all the SSB transmitter has some kind of the linear amplifier.
http://www.intio.or.jp/jf10zl/2sc1957.htm
http://www.qsl.net/n9zia/wireless/tpap/index.html
Capable of delivering over 15 watts into 50 ohms and uses cheap plastic transistors that are used in CB equipment.
http://web.telia.com/~u85920178/tx/15w-pa.htm