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| Brand Name: Nufiber | Certification: CE FCC | 
| Model Number: QSFP-40G-LR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 2-3 days | Payment Terms: T/T, Western Union | 
| Shenzhen Fivision Digital Technology Co.,Ltd [China] | |
| Site Member | |
| Brand Name: Top-Trans | Certification: ISO9001, ROHS, CE, FCC | 
| Model Number: TQSFP+-40G-SR4 | Minimum Order Quantity: 1 | 
| Delivery Time: Negotiable | Payment Terms: T/T, Western Union, Paypal, | 
| TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED [China] | |
| Verified Supplier | |
| Brand Name: YXFiber | Certification: CE RoHS FCC | 
| Model Number: YXF-QP | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1~3working days after payment | Payment Terms: T/T, L/C, Western Union | 
| Wuhan Yongxinfeng Science & Technology Co., Ltd. [Hubei,China] | |
| Active Member | |
| Brand Name: YXFiber | Certification: CE RoHS FCC | 
| Model Number: YXF-QP | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1~3working days after payment | Payment Terms: T/T, L/C, Western Union | 
| Wuhan Yongxinfeng Science & Technology Co., Ltd. [Hubei,China] | |
| Verified Supplier | |
| Brand Name: Wangtong | Certification: ISO9001 | 
| Model Number: QSFP-40G-SR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 5-10 days upon order quantitities | Payment Terms: L/C, T/T, Western Union,Paypal | 
| Shenzhen Wangtong Industry Company Limited [Guangdong,China] | |
| Active Member | |
| Brand Name: Wangtong | Certification: ISO9001 | 
| Model Number: QSFP-40G-SR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 5-10 days upon order quantitities | Payment Terms: L/C, T/T, Western Union,Paypal | 
| Shenzhen Wangtong Industry Company Limited [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: LR | Certification: CE | 
| Model Number: QSFP-40G-LR4 | Minimum Order Quantity: 1 PC | 
| Delivery Time: 1-2 days | Payment Terms: T/T, Western Union,Paypal | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Cisco | Certification: CE | 
| Model Number: QSFP-40G-ER4 | Place of Origin: China | 
| Model: QSFP-40G-ER4 | Wavelength (nm): 1310 | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: cisco | Certification: CE | 
| Model Number: QSFP 40G SR4 S | Minimum Order Quantity: 1pc | 
| Delivery Time: 1-3 working day | Payment Terms: T/T | 
| Sinanova Equipment Co., Ltd [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Cisco SFP Module | Model Number: QSFP-40G-SR-BD | 
| Minimum Order Quantity: 2 pieces | Place of Origin: beijing | 
| Price: $64.00/pieces 2-199 pieces | Private Mold: NO | 
| Beijing Lianmai Tongchuang Technology Co., Ltd. [Beijing,China] | |
| Verified Supplier | |
| Brand Name: cisco | Certification: CE | 
| Model Number: QSFP 40G LR4 S | Minimum Order Quantity: 1pc | 
| Delivery Time: 1-3 working day | Payment Terms: T/T | 
| Sinanova Equipment Co., Ltd [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Mray | Certification: CE, FCC, RoHs, ISO9001 | 
| Model Number: QSFP-40G-SR-BD | Minimum Order Quantity: 1 piece | 
| Delivery Time: 1~2 days for samples | Payment Terms: T/T, Western Union, L/C | 
| Shenzhen Miray Communication Technology Co., Ltd. [China] | |
| Active Member | |
| Brand Name: Mray | Certification: CE, FCC, RoHs, ISO9001 | 
| Model Number: QSFP-40G-SR-BD | Minimum Order Quantity: 1 piece | 
| Delivery Time: 1~2 days for samples | Payment Terms: T/T, Western Union, L/C | 
| Shenzhen Miray Communication Technology Co., Ltd. [China] | |
| Verified Supplier | |
| Brand Name: Mray | Certification: CE, FCC, RoHs, ISO9001 | 
| Model Number: QSFP-40G-SR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 1~2 days for samples | Payment Terms: T/T, Western Union, L/C | 
| Shenzhen Miray Communication Technology Co., Ltd. [China] | |
| Active Member | |
| Brand Name: Mray | Certification: CE, FCC, RoHs, ISO9001 | 
| Model Number: QSFP-40G-SR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 1~2 days for samples | Payment Terms: T/T, Western Union, L/C | 
| Shenzhen Miray Communication Technology Co., Ltd. [China] | |
| Verified Supplier | |
| Brand Name: DONGWE | Certification: CE, FCC, RoHS | 
| Model Number: DW-D404C-10CQ | Minimum Order Quantity: 1 piece | 
| Delivery Time: 3-7 working days | Payment Terms: T/T | 
| Hongkong Dongwe Technologies Co., Ltd [Guangdong] | |
| Active Member | |
| Brand Name: Sourcelight or OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: QSFP SR4 | Minimum Order Quantity: 1PCS | 
| Delivery Time: Shipped in 1 days after PO confirmed | Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Sourcelight Technology Limited [Guangdong] | |
| Active Member | |
| Brand Name: Generic, Neutral, Gigaopto | Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL | 
| Model Number: GTQ-M08A4-02DC | Minimum Order Quantity: 1 pc | 
| Delivery Time: 1-5 work days | Payment Terms: T/T, L/C, Western Union | 
| Shenzhen Gigaopto Technology Co., Ltd. [China] | |
| Verified Supplier | |
| Brand Name: Cisco | Certification: CE | 
| Model Number: QSFP 40G SR4 | Place of Origin: CHINA | 
| Wavelenth: 850nm | payment: TT/LC | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: UTOPTEK | Certification: CE FCC RoHs | 
| Model Number: QSFP-40G-ER4 | Minimum Order Quantity: 1piece | 
| Delivery Time: 1-2days | Payment Terms: T/T, Western Union,Paypal, Alipay,Wechat etc. | 
| Shenzhen UTOP Technology Co., Ltd. [Guangdong,China] | |
| Site Member | |