ACT offers a complete line of DWDMs, CWDMs, WDMs, OADMs, Couplers, DCM, Optical Shelf and Accessories. The Wavelength Division Multiplexers (WDMs) feature low insertion loss, high isolation and excellent wavelength stability.
• Precise mechanical dimensions
• Low insertion loss, high return loss
• Comply standard of IEC61754‑4
• Repeatable times no less than 50 times
• Long life span design over 30 years
SC/APC
Type  | Specification  | 
Optical Fiber Diameter  | 125 µm (6571A1 & 657A2)  | 
Tight Buffer Diameter  | 250 µm  | 
Fiber Mode  | Single‑mode  | 
Operation Time  | About 60 s (no fiber cutting)  | 
Insertion Loss  | ≤0.3 dB (1310 nm & 1550 nm)  | 
Return Loss  | ≥50 dB  | 
Bare Fiber Fastening Strength  | >5 N  | 
Bare Fiber Holder Fastening Strength  | >10 N  | 
Tensile Strength  | >40 N  | 
Operating Temperature  | ‑40 °C to +75 °C  | 
On‑Line Tensile Strength (20 N)  | ΔIL ≤ 0.3 dB ΔRL ≤ 5 dB  | 
Mechanical Durability (500 Cycles)  | ΔIL ≤ 0.3 dB ΔRL ≤ 5 dB  | 
Drop‑Off Test1  | ΔIL ≤ 0.3 dB ΔRL ≤ 5 dB  | 
SC/UPC
Type  | Specification  | 
Optical Fiber Diameter  | 125 µm (6571A1 & 657A2)  | 
Tight Buffer Diameter  | 250 µm  | 
Fiber Mode  | Single‑mode  | 
Operation Time  | About 60 s (no fiber cutting)  | 
Insertion Loss  | ≤0.3 dB (1310 nm & 1550 nm)  | 
Return Loss  | ≤‑40 dB  | 
Bare Fiber Fastening Strength  | >5 N  | 
Bare Fiber Holder Fastening Strength  | >10 N  | 
Tensile Strength  | >50 N  | 
Operating Temperature  | ‑40 °C to +75 °C  | 
On‑Line Tensile Strength (20 N)  | ΔIL ≤ 0.5 dB ΔRL ≤ 5 dB  | 
Mechanical Durability (500 Cycles)  | ΔIL ≤ 0.5 dB ΔRL ≤ 5 dB  | 
Drop‑Off Test1  | ΔIL ≤ 0.5 dB ΔRL ≤ 5 dB  |