Condition: Refurbished

This is a seller-refurbished Viavi JDSU JD785B CellAdvisor Base Station Analyzer covering 9 kHz to 8 GHz with LTE, RFoCPRI, and OBSAI support. The main unit (JD785B) was professionally calibrated in April 2025. Please note that the included accessories were NOT calibrated. The unit is supplied with a range of options and accessories as pictured.

Included in the sale:
• Viavi JDSU JD785B CellAdvisor Base Station Analyzer (9 kHz–8 GHz)
• Range of accessories as pictured

The images provided are of the actual item you will receive. Please review them carefully for the cosmetic condition and what is included in the sale.

The Viavi (formerly JDSU) JD785B CellAdvisor Base Station Analyzer is a high-performance, all-in-one field instrument designed for the installation, commissioning, and maintenance of wireless base stations. Covering a frequency range of 9 kHz to 8 GHz, the JD785B integrates multiple measurement modes into a single portable platform, enabling field engineers to perform cable and antenna analysis, spectrum analysis, RF power measurements, and interference analysis without carrying multiple instruments.

The CellAdvisor JD785B supports testing and maintenance of 2G, 3G, 4G LTE, and legacy cellular networks, and includes advanced capabilities for RFoCPRI (Radio Frequency over Common Public Radio Interface) and OBSAI (Open Base Station Architecture Initiative) testing. Its ruggedised design is built for demanding outdoor environments, and the intuitive touchscreen interface simplifies operation in the field.

Key Specifications:
Frequency Range: 9 kHz to 8 GHz
Measurement Modes: Spectrum Analysis, Cable and Antenna Analysis, RF Power Measurement, Interference Analysis, Signal Analyser
Network Standards Supported: GSM, WCDMA, LTE, CDMA, EV-DO
Advanced Options: LTE, RFoCPRI, OBSAI
Display: Colour touchscreen
Connectivity: USB, LAN, GPS (option)
Form Factor: Portable, ruggedised handheld/field instrument
Power: AC mains and battery operation
Operating Temperature: -10°C to +50°C

The JD785B is widely deployed by mobile network operators, infrastructure vendors, and field service engineers for base station commissioning, RF optimisation, antenna sweep testing, and in-building coverage verification across all major cellular frequency bands.

Shipping & Returns Policy

Shipping Policy

• Processing Time: Orders are typically processed and dispatched within 1 business day.
• Shipping Methods: We offer Expedited Shipping to all destinations using UPS/DHL/Fedex/Royal Mail and other reputable carriers.
• Shipping Times: Mainland UK: 1-2 Business Days / Mainland Europe and USA: 2-3 Business Days / Rest of the World 5-7 Business Days.
• Shipping Costs: These are calculated at checkout based on the shipping method, destination and package dimensions.
• CUSTOMS AND TAXES: It is YOUR responsibility to liaise with customs in your country and ensure your package is cleared and any taxes are paid.
• Shipping Destinations: We ship worldwide.
• Tracking: Once your order is shipped, we will provide you with a tracking number via email.
• Insurance: All shipments are insured. In case of damage, please contact us via email within 48 hours of receiving the product with photographic evidence, please also ensure a report is logged with the delivery driver.

Returns Policy

• Return Period: In the event of an item being received which is 'not as specified', you can return your purchase within 14 days of delivery.
• Condition of Items: Items must be returned unused and in their original packaging.
• Return Method: All returns must be notified in writing to hello@ttinstruments.com, the email should accompany the order number, date and reason for return and must be within 14 days of delivery.
• Restocking Fees: A restocking fee of up-to 20% is applicable for items returned for any reason other than 'not as specified'.
• Refund Method: Refunds are processed to the original method of payment within 5 business days of receiving the return.
• Exchanges: We do not offer exchanges. It will either be a replacement or a refund.
• Return Shipping Costs: Return shipping costs will be borne by the customer unless the item is 'not as specified', in this case we will arrange for the return by way of a prepaid shipping label.