Enhance your radio communication capabilities with this 2-pack of compact 2-inch rubber duck antennas designed for 900MHz applications (and more!). These versatile antennas are compatible with multiple platforms including Meshtastic, LoRa, and Helium radio systems. The durable black rubber construction provides flexibility while protecting the internal components, and the plated SMA male connectors ensure reliable connectivity. Each antenna features a sleek, space-saving design that's ideal for portable applications while maintaining effective signal transmission. Perfect for both indoor and outdoor use, these antennas are essential accessories for radio enthusiasts and network operators looking to optimize their 900MHz communication systems. The 2-inch length makes them particularly suitable for applications where a compact form factor is crucial without compromising on functionality. Whether you're building a mesh network, setting up a LoRa system, or expanding your Helium setup, these antennas provide the reliability and performance you need. The specification on these antennas list them as: 868/915MHz ,2400~25000MHz Ideal performance with a ground plane 50 Ohm Impedance Remote monitoring Network Devices Gateway Router/CPE