Amplifier AI-221 is a byte amplifier for terrestrial analogue and digital reception of TV / FM signals. It has one VHF / UHF input and two outputs. It is suitable for use as a housing amplifier in TV cable distribution systems. The amplifier is made in ZAMAC casting, which has excellent shielding effects and is covered by a plastic cover. The amplifier has a passive return channel of 5-30 MHz and common gain and tilt control for direct direction.
The amplifier has one input and two outputs, it also contains 230V power supply.

Technical parameters :

- amplifier input : 1pc 47-862MHz
- amplifier outputs : 2pcs 47-862MHz
- Direct operating frequency : 47 to 862 MHz
- reverse operating frequency : 5 to 30 MHz
- Straightening gain : 25 ± 1,5 dB
- return channel attenuation : 5.5 ± 0.5 dB
- transmission characteristic ripple : ± 1,5 dB
- gain and tilt control : 20 dB 47 MHz, 10 dB 862 MHz
- Noise figure : 6 dB
- max output level DIN45004B : 105 dBµV
- max output level IMD3 -66 dB : 102 dBµV
- maximum output level IMD2 -60 dB : 90 dBµV
- max output level CTB -60 dB : 84 dBµV
- maximum output level CSO -60 dB : 90 dBµV
- suppression between inputs / outputs : ---
- input reflection damping : 10 dB
- Power supply : 230V ± 10, 50/60 Hz, 5.5 W
- connectors : 3 x F female
- working temperature : -5 ° C ..... + 60 ° C
- degree of protection : IP20
- weight : 0,32 kg
- package size : 118 x 72 x 42 mm