Where do Zhengzhou wholesale Digital Signal Level Meter? Germany Strength Meter seller Zhengzhou Where? Sales: Zhujing 18939564786 DS2100 Series Economy Digital TV tester, is a combination of digital television over the years Germany maintain understanding and practical experience in network maintenance, the latest adaptation of modern network maintenance "smart" devices, proprietary "a +2 +1 "test, that is," a kind of analysis results +2 +1 standard "is a perfect interpretation of the modern maintenance, network maintenance to keep your job easier. The two methods commonly used in the daily maintenance of network engineering often use two kinds of failure analysis solution - Using the slope first determine the balance of the system to determine whether the cable bends, fittings, water, and other conventional amplifier failure problems, the use of Spectrum function to analyze whether there is interference signals or in-band distortion caused by the normal reception, etc., along the transmission link-by-point the investigation could eventually solve the problems caused by the transmission link. Note This product is a class product engineering and maintenance, and can not solve all the network fault analysis, advice and the Company with the use of high-end analytical grade products, both to save money and protect the network maintenance effectiveness (please consult our sales staff Germany and Products). Technical Specifications: Item DS2100QDS2100DS2100B Frequency Frequency Range 5MHz ~ 870MHz Accuracy ± 50 × 10? 6 (20 ℃ ± 5 ℃) Resolution 10 KHz bandwidth of 280 KHz analog TV receiver signal level range 30dBμV ~ 120dBμV Accuracy ± 1.5dB 0.1dB resolution Input impedance 75Ω Channel Scan total number of channels up to 150 channels × digital TV signal power level range 30dBμV ~ 110dBμV Accuracy ± 2.0dB Resolution 0.1dB standard modulation formats ITU? T J.83 Annex A standard, 64QAM/128QAM/256QAM ( 16QAM/32QAM) Option ITU? T J.83 Annex A standard, 64QAM, 256 QAM power support QAM, QPSK, COFDM symbol rate, etc. 4MS / S ~ 7MS / S receiver bandwidth 8MHz (can be set) MERto 39dB (typical) Accuracy ± 2dBBER1E? 3 to 1E? 9 error correction before / after 1E? 3 to 1E? 9 before error correction zodiac icon with options × favorite channel supports frequency spectrum spectrum swath 2.5MHz/6.25MHz/12.5MHz/25MHz / Adjustable bandwidth of 10MHz 62.5MHz other test items fixed SNR (S / N), slope measurement, mains voltage measurement, automatic testing slope measurement, mains voltage measurement PC management PC management software standard with Option × power supply Battery 11.1V 1.5AH lithium ion battery pack charger AC 90 V to 240V 50/60Hz working time 5 hours (battery fully charged) Charging time <3 hours Zhengzhou Hanson Radio Communications Equipment Co., Ltd. Tel :0371 -53,769,167 Sales: Zhujing 18939564786 QQ: 1006519081 Address: Zhengzhou City, Zijin Road and East Main Street Interchange to west 300 meters