Check the listing for details. 144mhz Ultra low Noise Amplifier LNA. Condition: New. Listed at 26.00 USD. 144mhz Ultra low Noise Amplifier LNA The amplifier is suitable for the frequency range of 125-185mhz, especially for the front-end amplifier of 144mhz receiver. It has ultra-low noise figure and high RF gain, which can effectively improve the receiving sensitivity of the equipment. It is very suitable for the front-end of amateur radio receiver. 1. Technical index 1) Working frequency: 125-185mhz 2) Working voltage: 3-5v 3) Working current: 65mA (typical value) 4) Amplification gain: 24dB 5) Maximum output: 100MW (20dbm) 6) Noise figure: 0.5dB (very small) 7) Joint model: sma-k (SMA standard female, external screw and internal hole) 8) Overall dimension: 22 * 35 * 10.5mm (excluding joint) 9) Product weight: 22G 10) Connection mode: Rfin: input signal amplification Rfout: output amplified signal DC: power supply positive pole Nose: negative pole of power supply 2. Product pictures