The NMEA 2000 (N2k) backbone must be terminated at each end. This requires one male and one female resistor terminator.

NMEA 2000 Certified, 100 percent universal and compatible with other manufacturers' products. Use these resistor terminators for proper termination of an NMEA 2000 network. One male and one female resistor terminator to terminate each end of the NMEA 2000 backbone.

Country of Origin: China. : B086VCRBXP. Manufacturer: Regatta Processing. Date First Available: April 6, 2020. Item model number: 1201. Product Dimensions: 1.75 x 1 x 0.5 inches; 0.49 Ounces.