Feature:1. EASY TO USE HANDHELD DESIGN: Features convenient operating with high resolution color backlit TFT LCD display for accurate readings.2. CUSTOMIZABLE SETTINGS: Save or recall 7 user defined configurations and 7 result groups for efficient testing and analysis.3. AUTOMATIC TIMER CONTROL: The tester can schedule test runs and stops with the timer feature for automated operation.4. SIGNAL ANALYSIS FOR ALARMS: The network analyzer identify and analyze alarm events with detailed listing for quick troubleshooting.5. VERSATILE DIGITAL NETWORK TESTER: Specifically designed for channel testing, alarm analysis, fault location, and signal analysis in digital networks.Specification:Item Type: Bit Error Rate TesterMaterial: ABS Battery: Rechargeable Li Battery x 1 Battery Capacity 4000mAh [Comes with built in battery]Working Time: 5 hoursCharging: 3 hours when turned off; 12 hours when turned onInterface Support: E1 Link, compliant with G.703(E1) testing function (75, 120 ohms)Testing Rate: 2.048Mbps, N (continuous) and M (non continuous) x 64Kbps (N and M=1 to 31); insert, extract N or Mx64kbps;Frame Type: Unframed, PCM 30, PCM 30c, PCM 31, PCM 31c, compliant with ITU T G.704; supports automatic frame structure detectionLine Coding: HDB3 and AMISending End:Internal Clock: 2.048MHz5ppm; receiveLine Coding: HDB3 and AMI;Pulse Shape: Compliant with for ITU T G.703Error Insertion: BIT, CODE, BIT and CODE; single or 1x10-1 to 1x10-7 rates;Receiving End:Frequency Range: 2.048Mbps8000bps;Return Loss compliant with ITU T G.703;Jitter Tolerance compliant with ITU T G.823;Measurements:E1 Receive Frequency MeasurementE1 Receive Signal LevelCode BPV Errors (error count and rate)Frame Errors (FAS, MFAS, and CRC 4 error count and error rate) LOS, SVnc Loss, LOF, AIS, FAS, RAI, and MFAS second countG.821 Analysis, G.826 Measurement, M.2100 Measurement and E bit error count and rate.Automatic Frame Structure Detection.Package List:1 x Tester1 x Plug3 x Connecting Cable1 x Strap1 x Storage Box1 x User Manual