Further information for Telecom Behnke BT 20-313 - Emergency phone series "S" 3 gang vertical
Great basic electronics for phones with integrated electronics (up to 8 RT 1 TWB, 1 LP, 1 MIC, 2 BO, 1 AL, 1 VID, electronics extension possible). - Module with Speaker (Size 3 = large). - Function module. A call button is not illuminated, colored edge
Finish: Aluminum