Lora Terminal External Wifi Antenna / 3DBI 915MHZ Mount SMA Male Connector

External Antenna Lora Terminal 915 Mhz Antenna Mount 3dBi (RP-) SMA male

Indoor and outdoor Outdoor Omni directional External Antenna Lora Terminal 915 Mhz Antenna Mount 3dBi (RP-) SMA male for Western Wifi router device.

Before the rubber ducky, antennas on portable radios usually consisted of quarter-wave whip antennas, rods whose length was one-quarter of the wavelength of the radio waves used. In the VHF range where they were used, these antennas were 2 or 3 feet (0.60 to 0.91 meter) long, making them cumbersome. They were often made of telescoping tubes that could be retracted when not in use. To make the antenna more compact, electrically short antennas, shorter than one-quarter wavelength, began to be used. Electrically short antennas have considerable capacitive reactance, so to make them resonant at the operating frequency an inductor (loading coil) is added in series with the antenna. Antennas which have these inductors built into their bases are called base-loaded whips.

The rubber ducky is an electrically short quarter-wave antenna in which the inductor, instead of being in the base, is built into the antenna itself. The antenna is made of a narrow helix of wire like a spring, which functions as the needed inductor. The springy wire is flexible, making it less prone to damage than a stiff antenna. The spring antenna is further enclosed in a plastic or rubber-like covering to protect it. The technical name for this type of antenna is a normal-mode helix. Rubber ducky antennas are typically 4% to 15% of a wavelength long; that is, 16% to 60% of the length of a standard quarter-wave whip.

Founded in 2010, Teng Xiang electronics is an experienced manufacturer of RF products. Especially in the range of Antennas, RF coaxial cable assemblies, RF connectors. We aim to deliver innovative technologies and solutions to meet the rapidly evolving wireless industry catering to 5G, 4G (LTE), 3G, 2G, WiFi, ISM, IoT solutions, Iridium communications, GPS/GLONASS/BeiDou frequencies, and more.

With a focus on telecommunications, Security, Automotive, Medical, IoT, and other markets. We provide a customized solution according to customer’s requirements. With our in-house design, R&D, and manufacturing, the team is always on hand to develop a high-quality product for customers.

By providing our clients and customers with high-quality products and exceptional customer service, we focus on all our customers and provide them with the exact same excellent service and considerations.

Certificates
ISO9001:2015, ISO14001:2015, IECQ QC 080000: 2017, ISO 45001:2018, IATF 16949:2016