Law Enforcement & Safety. Hard to Find Items. Sinclair Technologies Bandpass Cavity Filter FP40305BW1HP-1 w/ Celwave filters. This item is used it was professionally removed from a working environment this item comes with a non DOA (Non Dead On Arrival) 30 Day guarantee to be as pictured as described. This item is used it was Professionally removed from a working environment this item comes with a non DOA (non Dead On Arrival) 30 Day guarantee to be as pictured as described. Electronics Depot USA is family owned and family run. We are a unique business, providing the best possible customer service available and preventing unnecessary waste in landfills by recycling and reusing (“ecycling”) equipment and machinery that would otherwise become dangerous and harmful to the environment. We acquire new and used computers, medical and laboratory equipment, broadcasting and audio visual equipment, office equipment, and hard-to-find specialty equipment from around the world. Customer Service: 6am EST to 4pm EST Monday – Friday. No exceptions will be made. Loading dock or forklift available? Instead, contact Indy Surplus to discuss your issue. We work very hard to ensure that our customers are satisfied and guarantee that we can resolve any issue. Indy Surplus provides a 100% Satisfaction Guarantee. You Received the Wrong Item. You Don’t Agree With the Condition of Your Item. Your Item Doesn’t Function Properly. Your Item Was Damaged In Transit. Return Process Return Authorization. Items that are altered in any way (including missing parts, pieces, or accessories) will not be accepted. Audiovisual & Camera Equipment.