The RF Line   
NPN Silicon High-Frequency Transistor
   
. . . designed for wideband amplifier, driver or oscillator applications in military, mobile, and aircraft radio.
   
• Specified 28 Volt, 400 MHz Characteristics —
    Output Power = 1.0 Watt
    Power Gain = 15 dB Min
    Efficiency = 45% Typ
• Emitter Ballast and Low Current Density for Improved MTBF
• Common Emitter for Improved Stability