Check the listing for details. R2400B ISA MODEM CARD. Condition: Used. Listed at 20.00 USD. Descriptions Model: R2400B, FCC# FN6-2400B Used, good condition, working. Please look over in the photo for more detail. R2400B ISA MODEM CARD Local pick up free Used Unit. picture shown. Warranty 21 day warranty Payment Paypal Cashier check Personal/Company check (Note: Personal/company check will be held 5-8 business days for clearance.) If you preferred to pay by credit credit (VISA/MC), please register with Paypal for their FREE online payment service. Shipping & Handling Buyer pay amount shipping cost $5 in the 48 states.Canada, Mexico and other Country pay actual shipping cost Terms Payments must be received within 5 business days after our confirmation was sent to all winning bidder. Refund full amount but not include the shipping cost. Buyer pay freight cost when return the item. Contact Business Hour: Monday - Friday 9:00am - 6:00pm PST