DC In: 12 V ±10 %, negative ground, 1 A max
SP Jack: Input from Sound Card, 600 mV rms @ 600Ω
MIC Jack: Output to Sound Card, 500 mV p-p @ 600Ω
Radio Jack:
TX AF IN 500 mV rms @ 600Ω
DISC OUT 500 mV rms @ 600Ω
PTT (Positive 5 V DC)
Dimensions: 111 x 25.4 x 133 mm
Weight: 300g