Abstract: Described are multi-band panel antennas which are configurable to have heavy-duty construction and which are fully IP67 waterproof. Suitable applications for the disclosed antennas include internet of things (IoT) gateway and IoT routers, HD video streaming, transportation, and remote monitoring applications. Additionally, the antennas can deliver MIMO coverage technology for worldwide 4G LTE bands at 698 to 960 MHz/1710 to 2170 MHz/2490 to 2690 MHz/3300 to 3600 MHz, Satellite Band, dual-band 2.4/5.8 GHz WiFi, and GNSS (GPS-GLONASS-BeiDou).

Abstract: An antenna device comprising a first antenna, a second antenna and a circuit board. The first antenna includes a first insulating layer, a first signal-feeding line and two first grounding lines. The first signal-feeding line is disposed on a first surface of the first insulating layer. The first grounding lines are disposed on a second surface of the first insulating layer. The second antenna includes a second insulating layer, a second signal-feeding line and two second grounding lines. The second signal-feeding line is disposed on a first surface of the second insulating layer. The second grounding lines are disposed on a second surface of the second insulating layer. The first insulating layer and the second insulating layer intersect at about 90 degrees. The first and second antennas are disposed on a first surface of the circuit board. The first axis and the second axis are adjacent and substantially parallel.

Abstract: Antenna structures as well as antenna assemblies that incorporate the aforementioned antenna structures. In one embodiment, the antenna structure includes a substrate having a first major face, a second major face, and a side face. The first major face may include a first laterally extending conductive structure extending along a first edge of the first major face of the substrate and a pronged conductive structure having a first prong extending from a portion of the laterally extending conductive structure towards a first corner of the substrate and a second prong extending from a portion of the laterally extending conductive structure towards a second corner of the substrate. The second major face includes a second laterally extending conductive structure with a conductive structure placing the conductive structures on the first major face in electrical communication with the conductive structures on the second major face.

Abstract: The disclosure concerns an antenna assembly having a substrate with an antenna radiating element and a ground conductor disposed on the substrate, the ground conductor further characterized by a plurality of ground resonators, wherein a length associated with each of the ground resonators increases as the ground resonators are distanced from the antenna radiating element. Additionally, a coaxial cable is routed around the antenna assembly for configuring the coaxial cable as an additional ground resonator associated with the antenna assembly. The resulting antenna provides wide band performance between 700 MHz and 2700 MHz with improved efficiency compared with conventional antennas.

Abstract: A water-resistant element, adapted to an opining, comprising a deformable body, a first plate and a second plate is provided. The first plate is disposed at and against a first side of the deformable body. The second plate is disposed at and against a second side of the deformable body. When the deformable body is disposed in the opening, a relative displacement between the first plate and the second plate is used to change a shape of the deformable body such that the deformable body closely fits the opening in order to block moisture from entering into the opening. In addition, an external connection wire module comprising the water-resistant element, an antenna box module comprising the external connection wire module and a method of fixing the water-resistant element at a housing are also provided.

Abstract: An antenna may include a ground plane, a tuning stub, and a shorted spiral antenna element connected to the tuning stub. The shorted spiral antenna element may include a plurality of spiral traces shorted together by a shorting element extending radially outward to contact each of the spiral traces.

Abstract: A ten-frequency band antenna includes a carrier, a high-frequency segment, a low-frequency segment, a printed circuit board (PCB) and an inductor. The high-frequency segment is arranged on left side of the carrier and the low-frequency segment is arranged on right side of the carrier. The radiator on the bottom face of the carrier electrically connects with the micro strip of the PCB and the ground line of the ground metal when the carrier is fixed to the PCB. The low-frequency segment is located at an opened area and corresponding to a metal face with smaller area such that the low-frequency segment is at a free space to enhance the frequency response of the low-frequency segment and the bandwidth of the high-frequency segment. The area and the volume of blind hole on the carrier can adjust the effective dielectric constant to adjust the resonant frequency and bandwidth of the antenna.

Abstract: Circular patch antenna with integrated arc slots. In one embodiment, the circular patch antenna includes a top dielectric patch and a bottom dielectric patch. The top dielectric patch includes a first plurality of apertures while the bottom dielectric patch includes a second plurality of apertures. At least a portion of the first plurality of apertures and the second plurality of apertures are aligned with one another when the top dielectric patch is positioned over the bottom dielectric patch. A flex printed circuit board (PCB) is positioned between the top dielectric patch and the bottom dielectric patch and includes a plurality of arc slots, each of the plurality of arc slots are positioned between the first and second plurality of apertures and an external periphery of the flex PCB. Methods of operating the circular patch antenna as well as systems that incorporate the circular patch antenna are also disclosed.

Abstract: Disclosed is an antenna including a radiating element, a co-planar ground plane element and a transmission line extending across at least a portion of the radiating element and the ground plane element. The transmission line includes a dielectric layer. The dielectric layer has a portion of a first major surface adjacent to the ground plane and a second major surface opposite and separated from the first surface. A shield is formed on the second major surface. At least one via extends through the dielectric layer to connect the shield to the ground plane. A feed line extends longitudinally through the dielectric layer from a feed point at a proximal end of the transmission line towards a distal end of the transmission line, the feed line being shielded along a portion of its length extending across the ground plane element by the shield with the distal end of the transmission line lying in register with the radiating element and coupling the feed line to the radiating element.

Abstract: An antenna array may include a plurality of printed circuit boards (PCBs) oriented in a stacked arrangement, parallel to and spaced apart from one another. Each of the PCBs may include a linear array of antenna elements, which cooperate with the linear arrays of antenna elements on other PCBs to form a two-dimensional array of antenna elements. The PCBs may be supported at one end by a common backplate in a cantilevered manner, with the linear arrays of antenna elements located near the free end of the PCBs. The PCBs may include a thicker portion and a thinner portion, and the thinner portion may include a heat sink or other thermal dissipation structure.

Abstract: Multi-band antenna for use with limited size ground planes. In one embodiment, the multi-band antenna includes a substrate having a first radiator branch and a second radiator branch; a first switch that is connected with the first radiator branch and a radio module; and a second switch that is connected with the second radiator branch and matching circuitry. Selection between different states of the first switch and the second switch enable the multi-band antenna to operate in a plurality of operating bands. These operating bands may include both the high and low frequency bands for a long-term evolution (LTE) communication device as well as a global navigation satellite system (GNSS) frequency band. Methods of operating the multi-band antenna as well as systems that incorporate the multi-band antenna are also disclosed.

Abstract: Disclosed are systems and methods for improving the quality and strength of a wireless signal connecting a mobile station and a base station, in situations where the mobile station is able to utilize a directional antenna. The system for improving system quality comprise, for example, a directional antenna; an antenna power level detector which detects a signal strength; a signal inverter wherein the signal inverter generates a conditioned signal from the detected signal strength; an indicator wherein the indicator provides an indicator of a signal quality level from the detected signal strength; a reorientation decision logic wherein the reorientation decision logic communicates an instruction for movement of the directional antenna, wherein the detected signal strength is correlated to a projected orientation of the directional antenna at a time the signal strength is detected, and further wherein an antenna orientation control loop communicates a reorientation instruction for the directional antenna.

Abstract: The disclosed antenna is designed to work at GPS L1, GPS L2, GPS L5/GLONASS/BEIDOU frequencies. The antenna is fabricated on a flexible body and includes a meander line between a 50? RF feeding cable on the ground plane and a patch element. The resonant mechanism is excited by the meander line structure from 1170 Mhz to 1610 MHz and the Patch gives the wideband performance. Most configurations of the antenna have a low profile of about 0.15 mm.

Abstract: The disclosure concerns an antenna with open loops and multipath current distribution to achieve ultra wideband characteristics and antenna miniaturization, while simultaneously keeping high performance for a more reliable WAN communication, with higher data transfer, less dropping connections and improved sensitivity. To further reduce spatial requirements, the antenna may be incorporated on a flex substrate for bending with the contour of a device housing or the like.

Abstract: The disclosure concerns an antenna assembly having a substrate with an antenna radiating element and a ground conductor disposed on the substrate, the ground conductor further characterized by a plurality of ground resonators, wherein a length associated with each of the ground resonators increases as the ground resonators are distanced from the antenna radiating element. Additionally, a coaxial cable is routed around the antenna assembly for configuring the coaxial cable as an additional ground resonator associated with the antenna assembly. The resulting antenna provides wide band performance between 700 MHz and 2700 MHz with improved efficiency compared with conventional antennas.

Abstract: An antenna system capable of operating among all LTE bands, and also capable of operation among all remote side cellular applications, such as GSM, AMPS, GPRS, CDMA, WCDMA, UMTS, and HSPA among others. The antenna provides a low cost alternative to active-tunable antennas suggested in the prior art for the same multi-platform objective.

Abstract: An antenna is provided for the new combined GPS and GLONASS technologies in single port for tracking and navigation applications in wireless devices. The resonant mechanism is excited by an open loop structure at 1.575 GHz and 1.610 GHz, forcing the current distribution to remain at that particular portion of the antenna resulting as the primary resonator.

Abstract: Described herein are antenna designs and configurations that provide flexible solutions for creating compact antennas with multiple-band capabilities. For example, a hybrid PIFA-monopole antenna configuration and design is described. As another example, non-planar (e.g., orthogonal) and composite radiating structures incorporating various radiating element and ground plane configurations are described. Connective structures are also described for providing physical rigidity and ground plane connectivity to composite radiation elements. In embodiments described herein of composite radiating structures, multiple antennas may be included through passive radiating elements potentially combined with active circuitry. Composite radiating structures with multiple antennas may be used in multiple-in and multiple-out (MIMO) antenna applications.