Warranty：12 Months
Return & Refund：
Refund or replacement request is available only the requests within 1 week after parcel received & returning the item as the same condition as received.
Shipping：
We ship to eBay address. Please make sure your address in ebay is matched with your shipping address before you pay.
Generally, about 5-10 working days to UK, USA, AU, CANADA, France,Germany,Japan South korea.
Other countries in the region: usually takes 15-30 working days.
You may sometimes experience longer delivery time due to customs-related delays.
If you we are not satisfied with the product or service ,please contact me and don't give us negative or natural feedback,We must give you a satisfactory solution.
Our working time:
Beijing  time :Monday to Friday 9:00 am to 6:30 pm.
We do not work holidays in China.
if you send email to us,In our working hours will be resumed within 48 hours.
Feedback & DSRs (Detailed Seller Ratings):
We depend on our eBay reputation and customer satisfaction to succeed. 
We would like to earn your good feedback and 5 star DSR rating.

Part Number
740-058732
Speed
100 Gigabit Ethernet
Breakout Capable
No
Transceiver Type
QSFP28
Product Type
Optical Transceiver
Connector
Duplex LC
Monitoring Available
Yes
Digital Optical Monitoring
Yes
Standard: 100GBASE-LR4
Standards compliance (Ethernet/OTN Standard, for e.g. 100GBASE-LR4)
IEEE 802.3ba-2010
Transmitter wavelengths (range)
1294.53 nm through 1296.59 nm
1299.02 nm through 1301.09 nm
1303.54 nm through 1305.63 nm
1308.09 nm through 1310.19 nm
Transmitter output power, each lane (minimum)
–4.3 dBm
Transmitter output power, each lane (maximum)
4.5 dBm
Receiver input power, each lane (minimum)
–10.6 dBm
Receiver input power, each lane (maximum)
4.5 dBm
Cable type
SMF
Core size/cladding
9/125 µm
Distance
10 km
Maximum Power consumption (W)
3.5 W
Operating Temperature (range)
0° C to 75° C
Storage temperature
–40° C to 85° C