Factory price promotion! Deli Strength Meter DS2100A Digital Signal Level Meter Cable TV Field Test Instruments Digital Signal Level Meter Bit Error Rate Signal Level Meter Signal Level Meter project DS2100Q DS2100 DS2100B Frequency range 5MHz ~ 870MHz Accuracy ± 50 × 10? 6 (at 20 ° C ± 5 ℃) Resolution receiver bandwidth of 10 KHz to 280 KHz analog TV signal level range 30dBμV ~ 120dBμV accuracy of ± 1.5dB resolution 0.1dB input impedance of 75Ω channel scan scan total number of channels up to 150 channels × digital television signal power level range 30dBμV ~ 110dBμV Accuracy ± 2.0dB resolution 0.1dB standard forms of modulation, ITU-T J.83 Annex A standard, ITU-T J.83 Annex A standard, 64QAM/128QAM/256QAM (16QAM/32QAM) option, 64QAM, 256 QAM power support QAM QPSK, COFDM symbol rate 4MS / S ~~ 7MS / S receiver bandwidth 8MHz (can be set) MER to 39dB (typical) Accuracy ± 2dB BER 1E-3 to 1E-9 error correction before / after 1E-3 to 1E- 9 error correction before constellation icon with options × favorite channels support the frequency spectrum spectrum scanning bandwidth 2.5MHz/6.25MHz/12.5MHz/25MHz / 62.5MHz adjustable bandwidth 10MHz fixed other test project the signal-to-noise ratio (S / N), the slope of slope measurement, measurement, mains voltage measurement, automatic test mains voltage measurement PC management PC management software comes standard option x power supply battery 11.1V 1.5AH lithium-ion battery pack charger AC 90 V to 240V 50/60Hz 5 hours of working time (battery fully charged) Charging time <3 hours Zhengzhou Huike Electronic Instrument Co., Ltd. Tel :0371 -66959363 / 55933205 Fax :0371-66,959,363 QQ: 769 689 242 (Falco instruments) Sales: Manager Zhao 13598018197 Website: http :/ / www.huike17.com Headquarters Address: Erqi Square stuff Avenue and the junction of South Street, 19th Floor, Sun and Moon Star City A3 http://item.taobao.com/item.htm?spm=686.1000925.1000774.6.UC9d5I&id = 15740702504