This is a high gain, long range antenna compatible with many MMS cameras. This antenna works at +3dbm better than the stock antenna, allowing for use in remote areas and indoors.Color: As the picture shownLength: Approx. 207mmFolded Length: Approx. 185mmInner diameter of Port: 7mmOuter diameter of Port: 12.5mmFitments: for HC-300M for LTL Acorn LTL-6210MG for LTL Acorn LTL-6210MM for LTL Acorn LTL-5210MMPackage included:1 x Long range antennaNote: please allow 1-3mm errors to the actual dimension due to manual measurement Thank you If you have any question, please contact us before leave negative feedback, we will try our best to serve you, thank you for your understandingHOPE YOU HAVE A NICE SHOPPINGWhen shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it!