ADTRAN 1442707G21 Compatible 1000Base-DWDM SFP 1544.53nm 80km SMF(LC Duplex) DOM Optical Transceiver

We provide free refund & return within 30 days and the customer will be responsible for the return fee.

Please contact customer service to confirm before returning. Customer Service Email: info@flypro.com. The product must be guaranteed to return in its original status.

Once the return is received, the order amount will be refunded to your payment account.