Labels:bulletin board | dish rack | earth | grass | skep | sky | windowpane OCR: dB VY T 2000 2800 3000 Hz 300 500 800 1000 CCITT-37042 Frequency * Frcquency band with defined characteristies for Signalling System No. Note Alternative relaxed limits are shown in shall : not Annex A to Recommendation is otherwise Q.272. Note Below pum 7]i 002 above 300X)11z the loss be less than0.0dB int unspecitied. FIGURE 1S/Q.272 Limits for overall loss of the transfer link relative to that a1 relerence frequcncy ahove l055 than FIGURL refative reference
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