Home | WiFi & NETWORKING | NET SWITCH MODULE SFP 1000B-BX/SM321A TP-LINK Zoom Product images are illustrative. The original product may vary, so please refer to the product specifications in the product description. NET SWITCH MODULE SFP 1000B-BX/SM321A TP-LINK SKU: e-1420248 Model: SM321A EAN: 6935364030513 GIG ID: 847982 Data transmission speed 1.25 Gbps | Cable distance 10km Delivery is instock. Delivery: 2-5 working days €19.76 Qty: Add to Cart Email to a Friend Add to Wishlist Additional Information Liisi Gig Additional Information EAN 6935364030513 Manufacturer (A) tp-link Manufacturer Code SM321A Liisi Gig