Check the listing for details. 2 X PCTEL Maxrad Wi-Sys Permanent Mount GPS antenna TNC(F) - 3977D. Condition: Open box. Listed at 100.00 USD. THIS IS FOR 2 ANTENNAS AND 2 BRACKET WALL MOUNTS This Wi-Sys Permanent Mount GPS antenna from PCTEL is a great addition to any radio communication setup. Its TNC(F) connector ensures a secure and reliable connection, while its compact design makes it easy to install and use. With a brand like PCTEL and a model number of 3977D, you can trust that this antenna is built to last and perform at a high level. Whether you're using it for personal or professional purposes, this antenna is sure to impress. It's perfect for use in a variety of settings, from outdoor adventures to work-related projects. With its strong signal strength and durable construction, you can rely on this antenna to deliver top-notch performance every time.