Check the listing for details. HP/Agilent 53131A/52181A/53132A (Clone) Option 030 3GHz Frequency Counter. Condition: New. Listed at 64.99 USD. Clone 030 Option for HP/Agilent 53131A/53181A/53132A 3GHz Full Tested.(Frequency CH3 for 53131A/53132A or Frequency CH2 For 53181A) It is not original HP/Agilent part. Real measured sensitivity (+/- 1.5 dBm):50 MHz -38 dBm100 MHz -45 dBm500 MHz -48 dBm... better than -48 dBm1000 MHz -46 dBm1500 MHz -41 dBm2000 MHz -38 dBm2500 MHz -34 dBm2700 MHz -24 dBm T This item usually send from US ,CHINA,UK All the items will be sent with tracking number· We will ship the item according to the address on your eBay profile· No combine shipping discount and no local pickup service. Please make sure that you agree with our terms before bidding. · · ·We accept PayPal payment. · Payment must be fulfilled within 7 days after auction's ended.· ·For DOA (Defective on Arrival) item, please notify us for shipping instructions.·Then, please send it back within 7 days upon date of receipt. ·Return shipping costs will be at buyer's expenses. · We only accept the returned goods with full packaging materials.· When we receive your returned item, we will investigate the situation and consider to offer replacement or refund according to the situation.· We are professional online trader with excellent customer services.· Our team is working everyday to communicate with our customers and to bring the latest products for your selection