Versatile, larger antenna that delivers improved reception over our Portable Auxiliary Antenna. Requires a 1.6 cm (0.625 inch) diameter hole in the vehicle rooftop to secure the bolt antenna. – Diameter: 8.9 cm (3.5 inches) – Height: 2.2 cm (.85 inches) – Weight: 405 g (14.3 ounces) – Operating temperature: -40° to +70° C – Attached 5-meter cable – Must have large metallic surface, minimum 26 cm (10 inches), to mount antenna – Requires Antenna Adapter – 4dB Max Axial Ratio Compatible with Iridium 9500, 9505, 9505A and 9555 satellite phones.