Please allow 1-2cm measuring deviation due to manual measurement. 20pcs 1 x Wireless Network Card. Please contact me before you return it. If item is defective after 3 months, you can still send it back to us.We will send you a new one after receiving the defective item. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible. If you have any problems or concerns whatever with your order or products, please message us and give us a chance to assist you before you leave any feedback. We believe we can produce a positive outcome to any situation and will work hard to earn your praise. Our office hours are 9:00 a. M to 6:00 p. M (GMT +8) of Monday to Saturday.
And our Office is closed on Sunday and public holidays. We apologize for the late reply during the holidays.