<https://3ztelecom.com/product/standard-calibration-for-rf-vision/#product>
<http://schema.org/description>
"Summary\r\n\r\nTo maintain your RF Vision in its optimum condition, calibration is recommended every two years. This will ensure your precision instrument is constantly calculating and measuring accurately. \r\nThe Problem We Solve\r\n\r\nWith the normal usage of your tool, sensitivity can be affected and thereby cause variations on your measuring results. This may also translate in additional time and money when revisiting sites to validate antenna alignment.  \r\nHow We Solve It!\r\n\r\nWith the Standard Calibration you will receive a full internal calibration, update firmware/software, comprehensive system test, tune-ups and cleaning. This ensures that your RF Vision performs according to specs and avoids revisiting sites due to inconsistent measuring results – saving you time and money."
<https://3ztelecom.com/product/standard-calibration-for-rf-vision/>