1. Optical Connector: 2.5mm Universal
2. Wavelength: SM 1310/1550nm
3. MM 850/1300nm
4. Typical output power: >= -5dBm
5. Drop protection: 2m
6. Water-resistant keys
7. LED lighting, clear in the dark environment
8. PON: 1310/1490/1550nm
9. Battery: 2 x AAA (Not included)
10. Low battery reminder function
11. Pocket size design
12. Modulation Frequencies: CW / 270Hz / 1KHz / 2KHz
2. Wavelength: SM 1310/1550nm
3. MM 850/1300nm
4. Typical output power: >= -5dBm
5. Drop protection: 2m
6. Water-resistant keys
7. LED lighting, clear in the dark environment
8. PON: 1310/1490/1550nm
9. Battery: 2 x AAA (Not included)
10. Low battery reminder function
11. Pocket size design
12. Modulation Frequencies: CW / 270Hz / 1KHz / 2KHz