... , 1310, 1490, 1550, 1625Power testing range (dBm)-50~+26 or -70~+3 Uncertainty±5%Resolution Linearity: 0.1%, Logarithm: 0.01dBmGeneral ... ,ST,SCST800K-B-50~+26FC,ST,SC,LCST800K-C-70~+3FC,ST,SCST800K-D-70~+3FC,ST,SC,LCPlease tell us the model ...