Here my Ultra Micro FPV Plug and Play!
Input power: 2.2-5V
Power consumption: 285mA @ 5V
Frequency: 5.8GHz (8 Channels with Pushbutton selection)
Output power: 10-100mW (Adjustable with variable resistor)
Weight: 3.7 grams
1x Pololu - 5V Step-Up Voltage Regulator U3V12F5 (3,95 US$)
1x FPVHobby - 5.8 GHz AVTx (39 US$)
1x FPVHobby - 1 gram Pal Camera (54 US$)
Flight test! with headshot at end. Video transmitter power set to 10mW.