• Use standard Dapol signals - NO modifications.
Train Tech Dual Dapol Servo Semaphore Signal DCC Controller Multi Scale SC4
Train Tech DCC Signal Controller - Dual Dapol Semaphore N/HO/OO Gauge TTSC3
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080526/06 Dapol 4A-001-001 DCC Signal Controller
Train-Tech SC300 DCC Signal Controller - Dual Dapol Semaphore With Inputs N/OO
