MAIN PARAMETERS Type of wires: electrical/telephone/twisted pair Maximum length of telephone line: 3000 m Polarization indicator of telephone wire pairs: for ±(5 V~52 V) Continuous output voltage of the transmitter: 8 V DC Power supply: transmitter - 9 V battery; receiver - 9 V battery Max. standby current consumption of the receiver: ~10 mA Max. current consumption of the receiver during operation: <40 mA CECHY OGÓLNE Wymiary produktu: transmiter – 74 x 68 x 28 mm; odbiornik: 208 x 47 x 33 mm Waga: transmiter – 150 g; odbiornik – 130 g Akcesoria: baterie