Code 223772

4 Inputs

4-input (III+DAB, IV, V, UHF) mast amplifier with 40dB gain and output level up to 110dBμV or 120dBμV in UHF band selectable, separate VHF/UHF amplification, independent gain adjustments (0-15dB) for each input and low noise figure. Special calibration in the cut-off frequencies between band IV and band V and built-in 5G 694MHz filter.

Technical chars

  • Innovative HI/Low switch that allows the maximum UHF output signal level to be adjusted to two different levels: 110dBμV and 120dBμV.
  • CLIPPER technology: exclusive system that limits the gain of the UHF band of the device to guarantee the maximum RF output level available and minimise intermodulation; an LED lights up when this control is activated.
  • RED Compliant: each model complies with the regulatory requirements regarding Radio Spectrum, Electromagnetic Compatibility and Safety set out in recent European directives.
  • ZAMA die-cast frame with metal covers for extremely high interference shielding (LTE Free).
  • The ABS outdoor protective hood is equipped with a slide opening and tilting system for the amplifier section, making the installer's work easier.
  • Selector switch for switching the remote power supply to the UHF input, or to the V+U input depending on the model.
  • Status LED for correct power supply and fixing clamp suitable for poles up to 60mm diameter.
  • Special settings models: it is necessary to specify the last RF channel in B4 and the first channel in B5 during the order process; on standard models, B4 includes channels from E21 to E35 and B5 includes channels from E36 to E48.
Code 223772
Input no. 4
Inputs III+DAB, 4, 5, UHF (*)
DAB, III Frequency MHz 174 - 240
Frequency IV MHz 470 - tar
V Frequency MHz tar - 694
Frequency MHz 470 - 694
Gain dB III+DAB: 23; IV: 40; V: 40; UHF: 40
Gain adjustment dB III+DAB: 15; IV: 15; V: 15; UHF: 15
Optical noise figure dB III+DAB: 7; UHF: 5
Outputs number 1
Output level dBµV III+DAB: 115; UHF: 120
Connectors F female
Clipper Si
Filter 5G
Power supply voltage V 12
Absorption mA

150 @12V

Impedence Ohm 75
Working temperature °C From -10 to +55
Protection IP43
Conformity EN50083-2: 2006-06
Dimensions and packaging
Pcs 1
EAN code 8016978106332
Packaging dimensions mm 124x57x118
Product dimensions mm 120x50x105
Packaging weight Kg 0.265
Net Weight Kg 0.234
Weight Kg 0.251


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