Black Box Pocket Fiber Optic Talk N' Test Cable Tester Model TS054A Made in USAIndicators — All models: (1) PowerLED; TS051A, TS053A, TS054A,TS055A: (1) Bar-graph-styleLED indicator graduated in2-dBm stepsConnectors — TS051A: (2) 905SMA; TS052A: (1) 905 SMA;TS053A: (2) 905 SMA, (1) RJ-11;TS054A: (2) ST, (1) RJ-11;TS055A: (2) ST; TS056A: (1) STControls — TS053A, TS054A:Volume, “press totest” buttonModulation — TS053A, TS054A:AMOutput Wavelength — 850 nm±15 nm at ± 3 dBAccessories — TS053A, TS054A:Folding headset with boom mikePower Output — -20 dBm±0.5 dBm into 100µ-core fiber;-23 dBm ±1 dBm into62.5µ-core fiber; -26 dBm,1.0 dBm into 50µ-core fiberReadout Range — TS051A,TS053A, TS054A, TS055A:-22 dBm to -40 dBmReadout Resolution — TS051A,TS053A, TS054A, TS055A:2 dBmPower — 9 volts, supplied byalkaline or nickel-cadmiumtransistor batterySize — 4.5"H x 2.3"W x 1"D (11.4 x5.8 x 2.5 cm)Weight — 0.3 lb. (0.1 kg), includingbattery-----TS056A Black Box Pocket Opto Source Fiber Optic Cable Tester 1 x ST Cable Analyz