Check the listing for details. 35-4400M USB Spectrum Analyzer Tracking Source RF Frequency Domain Analysis Tool. Condition: New. Listed at 58.01 USD. Description 35-4400M USB Spectrum Analyzer with Tracking Source Module RF Frequency Domain Analysis Tool Features: - Attribute: RF frequency domain analysis tool - Interface: USB - Power supply: USB - Standby current: ≤100mA - Sweep current: ≤350mA - Sweep bandwidth: 33mHz-4400mHz - Turn on the tracking source to output bandwidth 33mhz-3000mhz - Sweep step: ≥33~68.75mHz/125Hz, 68.75~137.5mHz/250Hz, 137.5~275mHz/500Hz, 275~550mHz/1kHz, 550~1100mHz/2kHz, 1100~2200mHz/4kHz, 2200~4400mHz/8kHz - Sweep speed: ≥800 points / sec - Sweep dynamic log ratio: > 50dB - Point frequency or sweep output power: ≈0 dBm - Input detection: ≤10dbm - Background: ≈-60dBm - Software used on computer side: NWT4.11.09 version - Computer operating system: For winxp, win7, win10 Package Included: - 1 x Spectrum Analyzer Payment Terms 1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.Shipping Terms - For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding.Return Terms 1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund. 2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA. 3. We reserve the right to refuse any returns for objective reasons.Custom Duties & Taxes 1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility. 2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping.Feedback 1. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. 2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap.