Check the listing for details. Motorola Model 520 LAN Taffic Remote Sensor SN-520-P-1. Condition: Open box. Listed at 33.40 USD. Motorola Model 520 LAN Taffic Remote Sensor SN-520-P-1New old Stock. DOES NOT INCLUDE ANY CABLES, POWER CABLE OR ACCESSORIES. COMES AS SHOWN IN PICTURES. Part Number: SN-520-P-1The Motorola AirDefense Sensors passively observe all wireless LAN traffic within 40,000 to 60,000 square feet of typical office space. The smart sensor analyzes the 802.11 frames and extracts meaningful data points to determine key attributes, such as total data transferred, direction of traffic etc. By preprocessing wireless LAN traffic, the smart sensors greatly reduce the need for bandwidth. QUALITY GUARANTEE:We inspect and test all items that come into our shop. However, we deal with a large variety of items and our knowledge of some items is quite limited. Because of this we offer a 48 hour inspection period on all items that we sell. If you happen to find a problem with your item that we missed, please let us know within 48 hours of delivery. We will repair the item or refund your money if there is a problem that we cannot fix. Good customer service is our only goal. Please let us know immediately if there is a problem with your item. RETURN POLICY If for any reason you are unhappy with your purchase, contact us VIA eBay EMAIL so that we start the return policy process, just contact us within 14 days after receiving the item. All returning items must include original packaging, please return item in the same condition as received. Thanks COMBINE SHIPPINGIf you want to buy more of our store items please do so and request an invoice before paying as we combine shipping. International Buyers – Please Note: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying. Please note that we are not related with any of the companies that manufacture the products that we sale therefore if you have any questions regarding our products you can contact us directly. ""