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

  • Built-in 5G filter at 694MHz to give connections more protection from the elements than an external filter.
  • Innovative HI/Low switch that allows the maximum UHF output signal level to be adjusted to two different levels: 110dBμV and 120dBμV.
  • CLIPPER Technology: unique system that limits the UHF band gain of the device to ensure the maximum available RF output level and minimize intermodulation; there is an LED that lights up when this control is activated.
  • RED Compliant: each model complies with the regulatory requirements regarding Radio Spectrum Electromagnetic Compatibility and Safety set forth in recent European directives.
  • ZAMA die-cast frame with metal covers for very high shielding to interference (LTE Free).
  • Outdoor protective bell made of ABS is equipped with a slide opening and tilting system of the amplification section to make the installer's work easier.
  • Selector switch for inserting tele-power on the UHF input, or on 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 calibration model: for these models it is necessary to specify the cutoff between band IV and V when ordering, either 30/31, 31/33, 40/42 or 41/43; in standard models band IV includes channels E21-E35 and band V includes channels E36-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
Operating temperature °C -10 to +55
Protection IP43
Conformity EN50083-2: 2006-06
Dimensions and packaging
Pieces 1
EAN code 8016978106332
Packaging dimensions mm 124 x 57 x 118
Product dimensions mm 120 x 50 x 105
Packaging weight Kg 0.265
Net Weight Kg 0.234
Weight Kg 0.251


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