Welcome to our store！</br>1、Metal case, high heat dissipation and long service life. 2、High-quality optoelectronic modules ensure that signals are transmitted in all temperature environments. 3、High-efficiency chip, strong anti-interference ability, high temperature resistance. 4、High-quality matching power supply to ensure stable operation of fiber optic transceivers. 5、Its transmission distance can reach 20 kilometers/21872.266yd. <div class="wang-edit-text">Condition: 100% Brand New Item Type: Fiber Transceiver Color: Black Material: Metal Interface Type: SC Port Cable Type: Fiber, Cable Transmission Distance: Approx. 20km/21872.266yd Transmission Method: Optical Fiber Transmission Emission Wavelength: Tx1310nm/rx1550(nm) Transmit Power: -8 (dbm) Voltage Input: DC5V <style>.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}</style></div> <div>2 x Fiber Transceiver</div><div>2 x Power Supply</div><div>1 x Manual</div><div> </div> Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>