... .00dBm~+3.14dBm, accuracy: ±0.21dBmDelay MeasurementAccuracy: ±1μsG.703 COLine Rate64kb/s ± 100ppmLine Interface120Ω, BalancedLine CodeAMIDatacomLine ... 64kb/s ( N=1~32),4M,8Mkb/sTest PatternsPRBS223-1,220-1, 215-1, 211-1, 29-1,26-1Fixed Code1111, 0000 ... Display320x240 pixel backlit monochromatic LCDSerial PortRS-232CRechargeable Batteries5×1.2V AA NiMH batteries, continuous working for 6 hoursRecharge ...