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CK-868 Outdoor Circular Patch Antenna 868MHz 7dBi This antenna covers the 868MHz band. The antenna has been designed to be waterproof and is easy to install. It is circularly polarised for reading in any orientation. It can be used for improved indoor GSM coverage, due to circular polarisation.
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CK-868 Outdoor Circular Patch Antenna 868MHz 7dBi Mounting instructions using the optional mast bracket: Attach the L bracket to the antenna by means of the two No.10 x 13mm self tapping screws • provided. The figure below illustrates this for vertical polarisation.