SUN-FSW 1 × 2,2 × 2 MEMS optical switch, the performance in the industry-leading level. Very low insertion loss (typical ≤ 0.50dB, the maximum ≤ 0.80dB), small size (26.5 × 11 × 9.9mm), is used to dynamically configure the drop multiplexer OADM, cross connect OXC, system monitoring and error protection ideal device. Tiny package makes this optical switch for easy integration into high-density optical communication systems.