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GAO Tek's E1 BER (Bit Error Rate) Tester is a compact, multi-functional, handheld E1 line test instrument, specially designed for E1 PCM line access, maintenance, inspection and acceptance testing. The tester provides BER testing, alarm analysis, and signal analysis useful in R&D, production, installation and maintenance of SDH, PDH, PCM, and DATA Protocol Conversion.
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