![]() Looking for the antenna that matches the module or route for your next Iot project? Antennas are fundamental components of modern communication systems, serving as critical interfaces for transmitting and receiving electromagnetic waves. The proper selection of an antenna is vital to the overall performance of any communication system. An antenna must efficiently radiate or receive signals to minimize power loss and ensure optimal functionality. This RF tool page explores the differences between active and passive antennas, providing insights into how to select the appropriate type to ensure reliable performance while meeting the specific needs of your application.   Learn More  Passive antennas  Passive antennas are widely employed in numerous applications, such as television and radio systems, due to their simplicity and effectiveness in environments with sufficient signal strength. They do not require an external power source and operate by receiving electromagnetic waves from the surrounding environment, which are then converted into electrical signals for use by connected electronic devices. The straightforward design of passive antennas makes them cost-effective and efficient for applications where signal amplification is unnecessary. Learn More  M1575HCT-22P-SMA  Features: GPS band Very low axial ratio IP-67 mounted and unmounted Ultra light weight – 10 grams Ground plane independent   Learn More M1621HCT-P-SMA  Features: Optimized for the Iridium network. Very low axial ratio Available in TNC, SMA, SMB, and MCX connector Ground plane independent   Learn More  M10HCT-A-TNC  Features: L1/L2/L5 Full GNSS Bands Low Axial Ratio Low noise figure Ground plane independent Low power consumption Low phase center variation over azimuth and elevation Learn More M9HCT-A-EMB  Features: Concurrent GNSS reception on L1: GPS, GLONASS, Galileo, Beidou L2: GPS L2C, Galileo E5B, GLONASS L3OC and L5: GPS + L-band Small form factor Ground plane independent GIS Learn More  The primary distinction between passive and active antennas lies in their approach to signal amplification. While passive antennas rely solely on the capture of ambient electromagnetic waves, active antennas incorporate an LNA to amplify weak signals. This amplification requires external power and enables active antennas to function effectively in situations where signal levels are insufficient, providing improved performance in long-distance or low-signal applications. Learn More Innovelec Solutions |  01442 573 035  | www.innovelec.co.uk |
Innovelec Product Update: Active vs Passive Antenna: Which one is right for you?
