Our advantages: Favorable discount price; One year warranty; Free ccie technical support Fully tested and guaranteed C1921-3g-g-k9 Warranty One year warranty. If product occur quality problem during the warranty day, we can supply free repair (except for man-made or natural disasters cause damage) Shipping and delivery items will be shiped within 2 business days from payment confirmation Via ups dhl fedex tnt or ems etc we always can prompt delivery and look forward to your business in the Future by the cheapest freight of fedex tnt ups dhl ems etc Payment terms buyer pays the shipping charge and handling worldwide. we accept tt, lc, west union, moneygram. Please make sure you Have a valid/confirmed paypal account prior purchasing. Please make payment To our paypal, all paypal payments must be confirmed ( shipping address should Be confirmed when you paid ).We appreciate prompt payment and look forward to Your business in the future. Warranty&return&refund used items warranty 90 days and new in box items for 12 months buyers must contact us to send the defective items back for exchange new in box items should be returned with original packages and all accessories returns made for non-defective merchandise will be charged a 10% restocking fee. refund will be made upon receipt of the returned item when we hasn't replacement. defective products must be returned within 7 days from issuing date. Otherwise, no replacement will be made. Sell to us if you have any cisco products want to sell, please contact with me. Cisco original sealed packing