Kenosha Reuse Discussion Board > NORTH CHICAGO,IL
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> New fiber optic talk set optical talk set d-13--brand
New fiber optic talk set optical talk set d-13--brand
1.D-13 support communication by connecting with fiber;
2.Full-duplex communication with high quality conversation and very low background noise;
Large dynamic distance: >120km;
4.Long and short mode are for different distance;
5.Keep pressing call can remind each other for talk ;
7.Full energy can support above 12 hours operation;
