Sigma Connectivity AB

Sweden

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Sigma Connectivity AB is a design and development house headquartered in Lund, Sweden, founded on engineering heritage from Ericsson’s mobile communications R&D facilities. Operating as part of the privately owned Danir Group, the company has expanded to over 700 engineers and technicians across facilities in Sweden, Europe, and North America.

The company provides end-to-end hardware, software, and embedded engineering services for consumer tech, IoT, medtech, cleantech, and automotive industries. Sigma Connectivity maintains European accredited test and verification facilities, including dedicated EMC chambers, RF and antenna testing labs, optoelectronics suites, and audio/acoustic test chambers.

Offer

Sigma Connectivity offers full-lifecycle product development and firmware engineering services:

Embedded Software & Firmware Development: Board bring-up, microcontroller and SoC programming (C, C++, Rust), Android Open Source Project (AOSP), real-time operating systems (RTOS), and bare-metal firmware.
Connectivity & Protocols: Integration and verification of 5G, Wi-Fi, Bluetooth Low Energy (BLE), LoRa, and C-V2X protocols.
Electronic & PCB Design: Schematic capture, multi-layer mixed-signal and high-speed PCB/FPC layouts (Altium, Cadence), power management, and battery system engineering.
Edge AI & Embedded Intelligence: On-device AI/ML integration, computer vision, sensor fusion algorithms, and low-latency inference on edge processors.
In-House Labs & Verification: State-of-the-art EMC testing chambers, RF & antenna labs, 5G labs, audio & acoustic chambers, optical & display labs, and rapid mechanical prototyping.

Tags

Industrial Specializations: Electronics & PCB Design: Schematic capture, layout, and hardware architecture, Embedded Systems & Firmware: Low-level programming for hardware control, EMC/EMI Testing: Electromagnetic compatibility and interference, Industrial Design (ID): Aesthetics, ergonomics, and form-factor development, Mechanical Engineering (ME): Structural design, mechanisms, and kinematics, Prototyping Strategy: Consulting on "Looks-like/Works-like" build phases, RF & Wireless Modules: Bluetooth, LoRa, Wi-Fi, and Cellular modules, and Wireless & RF Engineering: Antenna design and wireless protocol integration

Headquarter/main address: Mobilvägen 10
Lund
Skåne 223 62
Sweden

Get Directions

https://sigmaconnectivity.com

Business Type: Service Provider

Ownership: Subsidiary

Employees: 500 - 999

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