1 pair PCM 2ch Telephone+ 1ch Network interface Transmitter Fiber optic transmission Extender rx tx Transceiver Single mode 20km

1 pair PCM 2ch Telephone+ 1ch Network interface Transmitter Fiber optic transmission Extender rx tx Transceiver Single mode 20km
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sku: 1005005591095865
$56.25
Shipping from: China
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