Johansson 7781 User Manual
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Johansson 7781 User Manual

Multiband amplifier
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User Manual
Multiband Amplifier
REF. 7781 – 7784 – 7785

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Summary of Contents for Johansson 7781

  • Page 1 User Manual Multiband Amplifier REF. 7781 – 7784 – 7785...
  • Page 2 MULTIBAND AMPLIFIER (REF. 7781 – 7784 - 7785) ONTENTS 1. I ................3 NTRODUCTION 1.1. Product description ................... 3 1.2. Package contents ..................3 1.3. Mounting the Multiband Amplifier ............... 4 2. T .............. 5 ECHNICAL PECIFICATIONS 3. S ..............6...
  • Page 3 NTRODUCTION 1.1. Product description Johansson offers a range of high output power Multiband distribution amplifiers. The RED compliant amplifiers are fully LTE-ready and have a high gain. This ensures a perfect signal quality throughout the building. The amplifiers are far more efficient than their predecessors.
  • Page 4 MULTIBAND AMPLIFIER (REF. 7781 – 7784 - 7785) 1.3. Mounting the Multiband Amplifier • Important: Mount the module vertically to a wall in a well-ventilated room and leave a minimum space of 15 cm around the product to guarantee a maximum ventilation of the product •...
  • Page 5 MULTIBAND AMPLIFIER (REF. 7781 – 7784 - 7785) 2. T ECHNICAL PECIFICATIONS 7781 7784 7785 Cable BI/FM BI/FM BIII/DAB BIII/DAB Inputs UHF1 UHF1 UHF2 UHF2 BI/FM: 47 - 108 BI/FM: 47 - 108 BIII/DAB: 174 - 240 BIII/DAB: 174 - 240...
  • Page 6 MULTIBAND AMPLIFIER (REF. 7781 – 7784 - 7785) 3. S AFETY NSTRUCTIONS Read these instructions carefully before connecting the unit To prevent fire, short circuit or shock hazard: • Do not expose the unit to rain or moisture. • Install the unit in a dry location without infiltration or condensation of water.
  • Page 7 MULTIBAND AMPLIFIER (REF. 7781 – 7784 - 7785) 4. C ONDITIONS OF WARRANTY Unitron N.V. warrants the product as being free from defects in material and workmanship for a period of 24 months starting from the date of production indicated on it.
  • Page 8 MULTIBAND AMPLIFIER (REF. 7781 – 7784 - 7785)

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