Wi-fi Hotspot. Iridium AD-510-1 Passive Antenna. About the Iridium AD-510-1 Passive Antenna. Iridium Passive Antenna (AD510-1) & Antenna Mounting Kit (AD510-2). Connection to the Iridium handset is made with an appropriate coaxial cable via a TNC/N type on the underside of the antenna.
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