We manufacturer can provide you various kind of telescopic antennas for interphones.If you have special design,we can help OEM. telescopic antenna specification: ELECTRICAL SPECIFICATIONSFrequency RangeVHFImpedance50ΩVSWR1.5Gain3 dBiPolarizationVerticalLighting ProtectDirect GroundConnector TypeBNC-Male MECHANICAL SPECIFICATIONSHeight105cm(stretch);25cm(compress)
... distance between front & middle mold-plate and the position of stretch-seal cylinder required in different mold installation3.Heating system:It ...
... by high tensilestrength in both axial and lateral direction, low stretch rate , high temperature-resistance, alkali-resistance as well as convenience ...
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