Development projects

We defined the wireless standard, range, transmit power, power supply, interfaces and available space, and selected the Bluetooth SoC, RF components, filters and matching network.

We developed the circuit diagram, impedance-controlled PCB layout and integrated antenna, taking the enclosure and installation conditions into account. EM simulations supported optimisation of matching, efficiency and radiation.

After prototype assembly and bring-up, we measured S-parameters, output power, antenna efficiency and range. The results informed the circuit, layout, antenna and manufacturing documentation.

We examined the available space and electromagnetic interactions between the 2.4 GHz antenna, PCB, battery, enclosure and metal lock mechanism.

EM simulations compared antenna position, feed, grounding and matching network. We tested S-parameters, bandwidth, efficiency, radiation pattern and range on modified prototypes.

By comparing simulation and measurement, we identified specific changes to antenna placement, matching and enclosure integration and assessed connection quality in the installed condition.

We defined the frequency range, passband loss, stopband attenuation, skirt selectivity, power handling, impedance and available space, and selected suitable filter topologies.

Circuit and EM simulations supported the design. We optimised trace geometry, coupling, grounding, via fencing, shielding and parasitic effects in the PCB layout.

We measured S-parameters, insertion loss, return loss, stopband response and harmonic suppression on prototypes. Following design iterations, we took responsibility for manufacturing documentation, the test strategy, production and testing.

We designed the placement and isolation of two LTE MIMO antennas and an active GNSS antenna, taking enclosure constraints, ground planes and interference sources into account.

The GNSS path included an LNA, filtering, power supply, protection circuitry and RF matching. We simulated antennas, matching networks and signal routing and optimised the impedance-controlled layout.

Prototypes were assessed for S-parameters, isolation, efficiency, radiation pattern, receiver sensitivity and GNSS signal quality. Results led to changes in antenna placement, signal paths and LNA integration.

We developed antenna concepts for the specified bandwidths, power requirements, polarisations, radiation patterns and installation environments.

EM simulations examined matching, gain, field distribution and mutual interaction. Antenna structure, feed, mechanical design and thermal capability were coordinated.

We characterised bandwidth, gain, radiation pattern, polarisation, efficiency and power handling on prototypes. We prepared manufacturing documentation and a test strategy and supported assembly and testing.

We planned one LTE antenna, two Wi-Fi antennas, two VTX antennas and one antenna each for UWB, Bluetooth and dual-band GNSS on the same system PCB.

Antenna positions, ground planes, interference sources and shielding were assessed together. EM simulation and layout optimisation addressed matching, isolation, coexistence and controlled impedance; the GNSS path included an LNA, filtering and a power supply.

We measured S-parameters, isolation, efficiency and radiation patterns, then optimised antenna positions, RF paths and matching networks for system integration.

We evaluated the effects of the PCB, enclosure, battery, sensors, cables and mounting position on the LTE antennas of a compact sensor.

On modified prototypes, we measured S-parameters, bandwidth, efficiency, isolation, TRP/TIS and radiation patterns, and compared antenna variants under realistic operating conditions.

We optimised antenna position, RF path, matching, grounding and isolation, and documented the changes for integration into a production design.

We developed a module with three LTE, two Wi-Fi and one Bluetooth antenna. MIMO capability, coexistence and mechanical integration informed antenna positioning and enclosure design.

EM simulations and prototypes supported optimisation of matching, efficiency, feed points, cable routing and isolation. We measured S-parameters, efficiency, radiation patterns and mutual interaction.

The transition to production included manufacturing documentation, bills of materials, a test strategy, injection moulds for the antenna housing, and production support and optimisation.

We designed the LTE antenna taking the battery, meter mechanism, water pipes, metal parts, enclosure and mounting position into account.

Simulations and measurements on installed prototypes examined matching, bandwidth, efficiency, radiation pattern, TRP/TIS, receiver sensitivity and range.

Antenna structure, matching and grounding were adjusted iteratively. We then handled manufacturing data, the test strategy, production, assembly and antenna quality inspection.

We defined LTE bands, Bluetooth functionality, range, power consumption and dimensions, and selected chipsets, power supplies, sensors and RF components.

We developed the circuit diagram and impedance-controlled PCB layout, including power supplies, interfaces, RF paths and antenna matching. LTE and Bluetooth antennas were simulated together with the battery and enclosure.

Prototypes were tested for S-parameters, efficiency, TRP/TIS, output power, receiver sensitivity and range. Measurement results informed the layout, antennas and documentation for prototype and series production.

We analysed LTE bands, available space, ground planes and interference from the display, electronics, enclosure and cables.

EM simulation and prototype testing in the actual installation supported antenna structure, feed and matching development. We measured S-parameters, bandwidth, efficiency, receiver sensitivity and range.

We optimised the RF path and mechanical integration and took responsibility for manufacturing documentation, the test strategy, antenna production and testing.

We developed an antenna concept for a compact vehicle key, considering the battery, buttons, enclosure, hand position and installation orientation.

EM simulations supported optimisation of the antenna structure, feed, ground plane, matching and impedance-controlled RF trace.

We measured S-parameters, bandwidth, efficiency, radiation pattern, output power and range on prototypes and adjusted the layout based on the results.

We reviewed antenna connections, module placement, filters, matching, power supplies and interference sources from RF, EMC and manufacturing perspectives.

We checked controlled impedance, ground planes, via fencing, short signal paths and coexistence of the three wireless standards. For the GNSS path, we assessed the LNA, filtering, noise sources and shielding.

We identified critical areas and specified changes to antenna placement, traces, grounding, component placement, matching networks and test points.

We evaluated 2.4 and 5 GHz Wi-Fi and L-band GNSS alongside the metal enclosure, reflector, LED driver, power supply and covers.

Various antenna positions and integration options were simulated electromagnetically. We considered matching, isolation, polarisation, radiation pattern, efficiency and potential shadowing.

Test setups and antenna measurements enabled comparison of Wi-Fi coverage and GNSS reception. We used the results to recommend antenna positioning, enclosure integration and RF matching.

We defined the number and geometry of antenna elements, element spacing, phase reference, polarisation and isolation for angle-of-arrival processing.

Development included EM simulation, feeds, matching, RF switches and a symmetrical impedance-controlled PCB layout. The array was integrated with a Bluetooth module and processing electronics.

We measured S-parameters, isolation, efficiency, phase and radiation patterns on prototypes and optimised the array geometry and RF paths based on the results.

We selected the Bluetooth SoC, RF components, crystals and power supply, and developed the circuit diagram and impedance-controlled PCB layout.

The integrated antenna, RF path and matching network were simulated with the enclosure included and designed for range and stable wireless performance.

We manufactured and characterised prototypes using S-parameters, output power, receiver sensitivity, antenna efficiency and range, and supported manufacturing documentation and production testing.

We established LTE bands, dimensions and installation conditions, including battery, sensors, PCB and enclosure, and developed an internal antenna concept.

EM simulation and measurements in the installed device supported tuning of the antenna structure, feed, matching, grounding and RF path. We assessed S-parameters, efficiency, TRP/TIS, receiver sensitivity and range.

We then handled design for manufacturing, production documentation, the test strategy, production, assembly and antenna quality inspection.

We developed Z-Wave and 2.4 GHz Bluetooth antennas for the available space and investigated the effects of the display, enclosure and surrounding electronics.

Simulations and measurements addressed matching, bandwidth, efficiency, radiation pattern, isolation, receiver sensitivity and range under actual installation conditions.

The results led to changes in antenna structures, matching, grounding and RF paths; final configurations and measurement results were documented.