Datel, it is a special HOME BREW TCVR used on my holiday time:
Specification:
Mode A1
Range: 3514 kHz - 3553 kHz (VXO tuned)
Stability of frequency: plus/minus 0.5 kHz in 0 - 40 deg
Output power: (12V) 1W (15V) 3W
Sensitivity: 1 mikrovolts
Bandwide: (6/40 dB) 3.5 kHz
Power: RX 100 mA (LED 15 mA)
TX max 350 mA
Case: from old ARMY equipment RF11
Age: 10 years
Now I am preparing new one channel version with modern IC.