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4Pcs MPO Single Mode Female Loopback Plug Supports 12 Fiber Core 6 Channels Type A for 40G 100G Networks and QSFP Testing

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[Main Parameters] Single-mode MPO female loopback tester for APC end face; supports 12-fiber, 6-channel transmission. [Good Fiber Protection] The loopback tester has a fiber cable protection shell to help prevent the fiber from bending or breaking. [Stable Signal Transmission] The loopback plug uses high-level fiber cable and connection core, with low insertion loss (0.75dB) and low return loss (60dB). Supports an operating temperature of -40~75°C. [Standard Size] Meets the dual-fiber adapter size standard for easy and accurate plugging and unplugging. Insertion loss change <0.2dB after 50 plug tests. [Widely Application] Can detect potential abnormalities by testing the signal return of QSFP+, optical system debugging, optical fiber communication system, and CATV system

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[Main Parameters] Single-mode MPO female loopback tester for APC end face; supports 12-fiber, 6-channel transmission. [Good Fiber Protection] The loopback tester has a fiber cable protection shell to help prevent the fiber from bending or breaking. [Stable Signal Transmission] The loopback plug uses high-level fiber cable and connection core, with low insertion loss ( 0.75 dB) and low return loss (60dB). Supports an operating temperature of -40~75°C. [Standard Size] Meets the dual-fiber adapter size standard for easy and accurate plugging and unplugging. Insertion loss change < 0.2 dB after 50 plug tests.

[Widely Application] Can detect potential abnormalities by testing the signal return of QSFP+, optical system debugging, optical fiber communication system, and CATV system

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First Listed on Newegg	September 27, 2026

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Return for refund within: 30 days
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Item#: 9SIC8EKM7H2132