Iskra P20F DTT/G 20-Element UHF Antenna – Built-in DIGI-LOG 14VU Amp & 22.5 dB Gain

The Iskra P20F DTT/G is a compact 20-element UHF aluminium antenna with an integrated DIGI-LOG 14VU amplifier. The amplifier boosts the received signal by 16 dB, raising the effective gain of the antenna-plus-amplifier system to 22.5 dB, making it suitable for locations where passive antennas deliver marginal signal levels.

Power for the built-in amplifier is supplied through the same coaxial cable as the reception signal — either from an external power supply or directly from a DVB-T receiver that supports antenna power. The amplifier requires power to operate; the antenna does not receive signals in passive mode.

Key Features

• 20-element UHF logarithmic aluminium antenna, 440 mm length
• Full UHF coverage: CH 21–69, 470–862 MHz
• Built-in DIGI-LOG 14VU amplifier with 16 dB amplification
• Combined antenna gain: 22.5 dB
• Amplifier noise figure: 2 dB
• Power supplied through the coaxial cable at 5–24 VDC, 25 mA (optional external supply or via DVB-T receiver)
• Integrated F female connector

Product Benefits

• 22.5 dB total gain substantially improves reception in weak-signal locations where a passive antenna alone is insufficient
• Power-over-coax supply eliminates the need to run a separate power cable to the antenna location
• 2 dB noise figure on the amplifier keeps added noise low, preserving signal quality rather than simply amplifying noise along with the signal
• Front-to-back ratio of 20–30 dB reduces interference from signals arriving behind the antenna
• Aluminium construction keeps the unit lightweight at 440 mm length, simplifying outdoor mounting

Technical Specifications

• Frequency Range (Antenna): CH 21–69, 470–862 MHz
• Band: UHF
• Impedance: 75 Ohm
• Number of Elements: 20
• Antenna Gain: 22.5 dB
• Front-to-Back Ratio: 20–30 dB
• Length: 440 mm
• Material: Aluminium
• F Connector: Yes
• Amplifier Model: DIGI-LOG 14VU
• Amplifier Frequency Range: Ch.5–69 (174–862 MHz)
• Amplification: 16 dB @ 5–24 VDC
• Noise Figure: 2 dB
• Power Supply: 25 mA @ 5–24 VDC (via coaxial cable; external supply or DVB-T receiver — optional)
• Amplifier Connector: F female

Why You'll Love It

• A single compact unit combines antenna and amplifier, reducing the number of components installed outdoors
• Power delivered through the coaxial cable means no separate mains connection at the antenna position
• Compatible with external power supplies or DVB-T receivers that deliver power over the antenna cable
• 22.5 dB combined gain opens up reception in fringe areas that standard passive outdoor antennas cannot serve