FTTx-OTDR (1310/1550nm - singlemode) - (26/24dB) dynamic range, OPM, SLS VFL, RJ45 tester, FIP modules (optional) Link map pass/fail functions, 1m short event dead zone Smart link diagram 5000mAh large capacity battery Maximum dynamic range: 31dB ≤1.5m event blind zone, ≤5m attenuation blind zone Measures continuous events on 8x3m optical fiber jumpers in fully automatic mode (industry benchmark).