1.  INFO-TECH M-6000 V.5 Multimode demodulator user manual

43 pages plus schematics, full installation & operation

2.  INFO-TECH M-605 FDM Demodulator user manual

10 pages plus diagrams, full installation & operation

Size 28cm x 22 cm approx.

Excellent condition, all original, no marks, writing etc.

Scans above show actual items listed