JM4-CG1G-451S is a 1×4-port down-folding 8P8C RJ45 connector, featuring a UL94V-0 flame-retardant PBT housing, paired with 0.35mm phosphor bronze contacts, and a full-area 6u" nickel-plated gold process, ensuring stable conductivity, oxidation resistance, and wear resistance. The product is compatible with 2.54mm standard PCB spacing, and its down-folding installation structure optimizes internal wiring within the device, fitting thin device designs. It features a built-in dual-color LED indicator light, with left green and right amber, providing real-time feedback on network status. The operating temperature range covers -40℃ to +85℃, making it suitable for industrial-grade high and low temperature environments. The interface complies with FCC Part 68 communication standards, and the metal shielding shell provides EMI interference resistance. Overall, the structure is stable and has a long service life.