Looking at the Venus Technologies SW-3B QRP CW Transceiver for 20/30/40 meters.
Dimensions: 104*71*25mm (excluding the protruding part such as knob)
Operating voltage: 8-15VDC.
receiving: about 45mA(backlight on), and less than 40mA(backlight off).
transmitting: about 0.8A (at 12V voltage).
Frequency range: 5-8MHz, 8-11MHz, 11-16MHz (the receiving sensitivity peak is only 40m, 30m, 20m amateur band).
Transmitting: 7.0-7.2MHz, 10.1-10.15MHz, 14.0 -14.35MHz.
RF output: 5 watts @12V
1.8 – 2 watts @clatite89v
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