Heathkit HW-20 2-Meter "Pawnee" Transceiver

Receiver Section:
Frequency coverage: 143.8 to 148.2 mc
IF frequencies: Double conversion--First IF, 22 to 26 mc (tunable); Second IF, 2 mc
Noise figure: 8.5 db or less
Sensitivity: .5 microvolts of input signal will provide an output signal better
 than 10 db over the noise level
Squelch sensitivity: Less than 1 microvolt
Selectivity: 15 kc at 6 db down
Image rejection: Better than 70 db
IF rejection: 50 db
Input impedance: 50 to 72 ohm, unbalanced
Audio power output: 3 watts (receiver operation); 15 watts (public address operation)
Headphone jack: Low impedance, accepts PL-55 type plug (standard 2 conductor ¼" sleeve)
External speaker socket: 8 ohm impedance, accepts RCA type phono plug.

Transmitter Section:
Frequence coverage: 143.8 to 148.2 mc. (crystal or VFO control)
Modulation: .01 volts minimum at 1000 cps = 100%
RF power output: 8 watts nominal AM, 50 ohm; 10 watts nominal CW, nonreactive load
Distortion: 10% or less with 100% modulation at 1000 cps
Output impedance: 50 to 72 ohm, unbalanced
Low pass filer: 152 mc cutoff frequency
Key jack: Accepts PL-55 type plug (standard 2-conductor ¼" sleeve)
Crystal sockets: Accepts FT-243 type holders, pin diameter .093", pin spacing .466"
Microphone: High impedance ceramic element push-to-talk type with coil cord
Crystals: (Not furnished) 8 mc fundamental range (8.000 to 8.222 mc for 2 meter band)

Power requirements:
Input voltage: 6.3V DC, 12.6V DC, 117V AC
Transmit      14.5 amps, 7.5 amps, 120 watts
Receive        8.5 amps, 4.5 amps, 60 watts

Cabinet dimensions: 6" h x 10" d x 12" w