it is an intelligent and efficient instrument that combines in one set the functions of both a digital optical phone and a stabilized light source. It is widely used in operations of installation, optical testing, maintenance and fiber attenuation value testing in data network, CATV and Telecommunic
Features:
       Two pairs of ST-04 supports tri-party communication via clip-on coupler device
| 
 | 
 ST-041     | 
 ST-042  | ||
| 
 Wavelength  | 
 A:1310nm, B:1550nm  
(unit A works at 1310nm, unit B works at 1550nm)  | |||
| 
 Telecommunication system  | 
 Full duplex communication  | |||
| 
 Fiber Type  | 
  SM & MM (the dynamic range will shrink 20dB for MM fiber)  | |||
| 
 Spectral Width  | 
  <15nm  | |||
| 
 Adaptor type  | 
 FC/PC   | 
 FC/PC  | ||
| 
 Dynamic Range  | 
 40dB  | 
 50dB  | ||
| 
 Output Power  | 
 -3 dBm  | |||
| 
 Power Supply  | 
 9V Laminated Battery &. AC/DC adaptor  | 
 Replaceable build-in Ni-MH Battery &. AC/DC adaptor  | ||
| 
 Operating Hours  | 
 10 hours (standard)  | 
 40 hours (standard)  | ||
| 
 | 
 ST-041     | 
 ST-042  | ||
| 
 Tri-party communication  | 
 N/A  | 
 ☆  | ||
| 
 Hands-free speaker  | 
 NO  | 
 YES  | ||
| 
 Dimension  | 
 160L*70W*20H  | 
 220L*110W*45H  | ||
| 
 Operating Temperature  | 
 -10~+50C  | |||
| 
 Storage Temperature  | 
 -20~+70C  | |||
| 
 Operating Humidity  | 
 <90% (Non-condensing)  | |||
| 
 Net weight  | 
 200g (including battery)  | 
 550g (including battery)  | ||
