The 3213A from Sunma International Industry Ltd. is a Optical Power Meter with Measurement Range(Power) -40 to 10 dBm, Wavelength Range 1260 to 1570 nm, Calibrated Wavelength 1300 nm, 1310 nm, 1490 nm, 1550 nm, 1625 nm, Linearity ±0.1 dB, Resolution 0.01 dB. More details for 3213A can be seen below.
