Keysight 53210A 350 MHz RF Frequency Counter with 10-Digit ResolutionProduct Description The Keysight 53210A is a 350 MHz RF frequency counter offering precise measurements with 10 digit resolution. Ideal for accurate frequency counting in RF applications. Things to Note Appearance: 80 90% new, functionally tested. As a used item, minor scratches may be present. However, all products are fully functional and come with a DOA (Dead on Arrival) warranty. For EU Buyers: The price does not include VAT and customs duties,