Products

Ultra Compact WDM (UCWDM)

Key Features

Ultra-compact design: Mini size 20 × 8 × 6.5 mm
Industrial-grade wide temperature range
Low IL, high Isolation
Rapid customization capability

Applications

5G Fronthaul Networks
DWDM/Hybrid WDM for 100G to 800G
Metro and Access Networks
CATV and Broadcast Networks
Military and Specialized Communications

Products Overview

Gracyfiber has launched its Ultra Compact WDM (UCWDM) product series, featuring a Free Space optical architecture that achieves an optimal balance between extreme miniaturization and high performance. The products support industrial-grade wide-temperature operation from -40°C to +85°C, offering low insertion loss, high isolation, and exceptional reliability. They are widely deployed in 5G fronthaul, data center interconnects, metro access networks, and specialized communication applications.

Parameter		Unit	Value
Operating Center Wavelength	UC-CWDM	nm	1270/1290/1310/…../1570/1590/1610
	UC-LWDM	nm	1269.23 / 1273.54 / 1277.89 / 1282.26 / 1286.66 / 1291.10 / 1295.56 / 1300.05 / 1304.58 / 1309.14 / 1313.73 / 1318.35
	UC-DWDM	nm	ITU Grid(C21 ~C60)
Channel Spacing		nm	20nm (CWDM) , 4.5nm( LWDM) , 0.8nm( DWDM)
UC-CWDM Passband	Min	nm	±6.5
UC-LWDM Passband	Min	nm	±1.1
UC-DWDM Passband	Min	nm	±0.11
Channel		–	4CH	8CH	12CH	16CH	18CH
Port Insertion Loss	CWDM. Max	dB	1.2	1.5	1.8	2.0	2.5
	LWDM. Max	dB	1.2	1.8	2.0	–	–
	DWDM. Max	dB	1.5	2.0	2.5	3.0	–
Isolation	Adjacent	dB	≥30	≥30	≥30	≥30	≥30
Isolation	Non-adjacent	dB	≥40	≥40	≥40	≥40	≥40
Ripple	Max	dB	0.5	0.5	0.5	0.5	0.5
PDL	Max	dB	0.5
Return Loss	Min	dB	40
Directivity	Min	dB	50
Power Handing	Max	mW	300
Fiber Type		–	G67A1/ A2/ B3 or SMF-28
Fiber Coating		um	250 µm / 900 µm loose tube
Fiber Length		mm	1000
Connector		–	LC/UPC or Customized
Dimensions (HxWxD)	UC-CWDM	mm	20x8x6.5	21x15x6.5	25×22.8×6.5	25×22.8×6.5	25×22.8×6.5
	UC-LWDM	mm	20x12x6.5	23×12.4×6.5	25×19.6×6.5	–	–
	UC-DWDM	mm	20×10.8×6.5	28×14.4×6.5	30x23x6.5	30x23x6.5	30x23x6.5
Operating Temperature		°C	-5~65
Storage Temperature		°C	-40~85