Apollo 635 Control Circuit Board Apollo 635 Circuit/Control Board APOLLO 1500 Single Swing Gate Operator/Opener system. It is also the upgrade replacement for the 633 Control board. CUSTOMERS OUTSIDE THE CONTINENTAL USA MUST CONTACT US FOR A FREIGHT QUOTE PRIOR TO MAKING A PURCHASE. CONTINENTAL USA SHIPPING PRICES DO NOT APPLY TO PUERTO RICO , ALASKA, GUAM, CANADA & INTERNATIONAL.