CI-520 Page 2 of 2 REV 000
2021 STI-CO INDUSTRIES, INC., 11 Cobham Drive, Orchard Park, NY 14127-4187
Technical Support: E-mail:
Phone: 1-716-662-2680 Fax: 1-800-685-1122
Made in U.S.A.
INSTALLATION:
1. Select the location of the filter, the area should be free of obstructions and allow for cables to be easily
routed to the filter.
2. Mark the pilot holes to be drilled by using the filter as a template.
3. Attach the filter to the bulkhead by pre-drilling four holes with a #21 (0.159
”) drill bit, then secure in place
using the hardware provided.
4. Connect the cable from the antenna to the port marked ANTENNA.
5. Route the cable from the transceiver equipment and connect to the port marked RADIO.
6. Avoid installing cable near any sharp edges that may cause damage due to vibration.
