BANDPASS FILTER: 144MHz 2 meter band bandpass filter with compact structure, which has excellent selectivity and high out of band rejection.<br>144MHZ FREQUENCY: Suitable for all 144MHz miners and antennas, low pass filter with stable structure, excellent performance and long service life.<br>GOOD COMPATIBILITY: Designed for LoRa IoT application, compatible with most helium miners on the market, for Nebra hotspot miner, for V2 hotspot miner, etc.<br>BANDWIDTH RANGE: The filter has SMA interface, 3dB bandwidth is 127~157MHz, 30dB bandwidth is 105~200MHz, with low loss and carrying power.<br>ALUMINUM ALLOY: The bandpass filter is made of aluminum alloy material, resistant, not easy to deform or wear for long term use.<br>Specification:<br>Item Type: Bandpass Filter<br>Impedance: 50ohms<br>Center Frequency: 144MHz<br>Center Frequency Insertion Loss: 2.5-3.0dB<br>3dB Bandwidth: 127-157MHz<br>30dB Bandwidth: 105-200MHz<br>Maximum Carrying Power: 3W (35dBm)<br>Interface: SMA M, SMA F<br>Color: As Shown<br>Material: metal<br>Package Contents:<br>1 x Bandpass Filter<br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cse the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.