S-122

Subscriber panel Functionality: Outdoor panel Short description: Yellow subscriber panel with the "Call" button. simplex mode, range up to 300 m, 50 mA, 4-wire; -40 ..+50°C, 45×110×20 mm.. For Stelberry S-420, S-425, S-520, S-525, S-640, S-645, S-660, S-