_:n41f9a75e565543bbafe05bd83493d306xb11
<http://schema.org/position>
"4"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://alphamicro.net/product-category/antennas/view-all-antennas/gnss-antennas/gnss-frequency/gps-glonass-beidou-antennas>