FiddlLink
100G Base-t Ethernet Module 850nm 100m MPO QSFP28 Optical Transceiver
QSFP28 100G Base-t 850nm 100m MPO MMF Fiber Optical Transceiver Module
100GBASE-LR4 Duplex LC SMF Optical Transceiver Module Single Mode 1310nm 100G QSFP28 10km
100GBASE-ER4 SMF QSFP28 Transceiver Duplex LC Single Mode 1310nm 100G Optical Module 40km
As Pakistan accelerates its "Digital Pakistan" initiative, the demand for high-speed bandwidth in Karachi, Lahore, and Islamabad has reached an all-time high. With the China-Pakistan Economic Corridor (CPEC) fostering new subsea cable landings and terrestrial fiber backbones, the transition from 10G/40G to 100G and 400G architectures is no longer optional—it is a critical requirement for national competitiveness.
The proliferation of Tier-III data centers in Pakistan to support fintech, e-commerce, and government e-services is driving massive adoption of QSFP28 and QSFP-DD modules. Our factory provides specialized solutions for short-reach (SR4) and long-reach (LR4/ER4) applications tailored for the unique environmental conditions of South Asia.
Globally, the industry is shifting toward 800G and 1.6T to meet AI/ML processing demands. However, 400G remains the sweet spot for cost-to-performance ratio in emerging markets. FiddlLink ensures that Pakistan's service providers have access to PAM4 modulation technology that doubles the data rate without increasing optical fiber complexity.
Our research and development team, comprising 126 expert engineers, focuses on the following technology pillars to serve the Pakistan market:
Utilizing 4-level Pulse Amplitude Modulation (PAM4) to achieve 400G throughput. Ideal for Pakistan's backbone upgrades where fiber density is a constraint. Our 400G DR4 and FR4 modules offer low power consumption and high reliability.
For long-distance Data Center Interconnect (DCI) between cities like Karachi and Hyderabad, we offer 100G/200G coherent solutions that can span hundreds of kilometers without active amplification.
Recognizing the high ambient temperatures in regions like Sindh and Punjab, our modules are engineered with superior heat dissipation materials to ensure operational stability up to 70°C in standard environments and 85°C in industrial settings.
FiddlLink Optical Technology Co., Ltd. operates a state-of-the-art facility where every module destined for the Pakistan market undergoes rigorous testing. We maintain 42 quality control specialists to ensure zero-defect delivery.
Automated Detection
Spherical Polishing
Advanced Coating
Precision Inspection
Polishing Machine
Roughing Machine
Single-Point Machine
Coating Machine
Our facility covers 380 square meters of clean-room environment. With 8 years of export experience and a specialized R&D team of 126 engineers, we provide OEM/ODM services that meet international standards (CE, FCC, RoHS). Our annual export of $18 million demonstrates our reliability as a global supply chain partner.
Supporting operators like Jazz, Zong, and Telenor with front-haul and back-haul optical modules. Our 25G and 100G modules are optimized for 5G base station connectivity, ensuring low latency for mobile users in urban centers.
Ensuring secure, high-speed data mirroring for major banks in Karachi’s financial district. Our 100GBASE-ZR4 modules provide robust 80km links for disaster recovery sites.
Providing high-reliability networking components for Gwadar Port's smart logistics systems, facilitating real-time monitoring and automated port operations via high-bandwidth fiber links.
100GBASE-ZR4 Duplex LC SMF Optical Module 1310nm Single Mode 100G QSFP28 Transceiver 80km
200GBASE-SR4 Optical Transceiver Module MTP/MPO-12 MMF Multimode 850nm 200G QSFP56 100m
400G DR4 QSFP-DD PAM4 1310nm 500m MTP/MPO-12 APC SMF Optical Transceiver Module
Single Mode 400G CWDM QSFP-DD LR4 10km Duplex LC SMF Optical Transceiver Module
400GBASE-FR4 Duplex LC Optical Module 400G CWDM QSFP-DD PAM4 2km DDM SMF Optical Transceiver
400GBASE-LR8 Duplex LC Optical Transceiver Module SMF 1310nm 400G QSFP-DD 10km
400GBASE-ER8 Single Mode 1310nm 400G QSFP-DD 40km Duplex LC SMF Optical Transceiver Module
Multiple Mode 850nm 400G QSFP-DD SR8 100m MTP/MPO-16 APC MMF Optical Transceiver Module
100GBASE-PSM4 QSFP28 1310nm 500m SMF 100G MPO-12 Optical Transceiver Module
QSFP28 100GBASE-PLR4L 1310nm 2km 100G MPO-12 SMF Optical Transceiver Module
100GBASE-ESR4 QSFP28 100G 850nm 300m MPO-12 MMF Optical Transceiver Module
100GBASE-SL4 Multimode 100G QSFP28 850nm 30m MPO-12 MMF Optical Transceiver Module
A: Our R&D center maintains a comprehensive compatibility lab with over 200 different switches and routers. Every module is programmed and tested with the specific EEPROM code required for seamless recognition and operation on your existing infrastructure.
A: For standard 100G/400G modules, we maintain a healthy stock level. Bulk orders typically ship within 5-7 business days. We also offer expedited shipping to Karachi and Lahore to minimize project downtime.
A: Yes. For outdoor installations or uncooled enclosures common in some Pakistan industrial zones, we offer "I-Temp" (Industrial Temperature) modules rated for -40°C to +85°C.
A: QSFP-DD offers the highest port density and is backward compatible with QSFP28. This allows you to upgrade your network capacity to 400G while still being able to use your existing 100G modules in the same ports, protecting your investment.
Consult with our senior technical engineers for a customized solution for your Pakistan-based project.