Connected Product Development

IoT Product Development
For Companies That Need Real Connectivity

IoT engineering services for connected product development: we bridge the gap between design and volume manufacturing. Hardware, firmware, Edge AI and NPI execution under one team.

EVT to MP | Full Lifecycle Coverage RF & GNSS/RTK | Precision Hardware
Design

Full-Cycle Hardware Engineering: RF, Antenna, PCB & Firmware

Engineering
Certify

Global Certification: CE, FCC, Anatel & Regional Pre-Cert Support

Certification
Support

24/7 Field Application Engineering & Rapid Troubleshooting

FAE Support
Disciplines

Core Engineering Capabilities

Cross-functional teams covering RF, embedded firmware, mechanical, and cloud integration.

RF & Wireless
Cellular & BLE RF Design
NB-IoT / LTE-M / BLE 5.3 RF link design, antenna matching, conducted/radiated testing, pre-cert scan.
GNSS
Multi-Band RTK Positioning
L1/L5/L2 RTK engine integration, base station calibration, multipath suppression, sub-meter to centimeter accuracy.
Embedded
Low-Power Firmware
Nordic/Qualcomm/ST platforms, Bare-metal/RTOS, secure Bootloader, microamp sleep optimization.
Edge AI
On-Device Inference
TensorFlow Lite Micro quantized deployment, feature extraction, inference acceleration, anomaly detection model training.
Mechanical
Industrial Enclosure Design
IP65+ structural design, zinc/aluminum alloy die-casting, thermal simulation, salt spray/vibration adaptation.
Cloud
Protocol & Backend
CoAP/MQTT protocol stack, AWS IoT Core/Azure IoT Hub bridge, OTA differential upgrade, TLS/mTLS secure channel.
RF Verification

RF Test & Validation

In-house conducted RF validation and third-party lab partnerships for radiated and environmental compliance.

RF test system measurement setup
RF TEST SYSTEM

In-house anechoic chamber and conducted RF test bench for TX/RX verification, antenna matching and pre-compliance scans up to 6 GHz.

Return Loss 4G antenna return loss measurement
Return Loss
VSWR 4G antenna VSWR measurement
VSWR
3D 3D antenna radiation pattern
3D
Process

Design Methodology

Structured development flow from architecture to mass production, with clear gates and deliverables at each phase.

01
Requirements Definition
System-level power modeling, RF link budget, and key component selection with supply risk assessment.
02
Design & Technical Validation
Schematic and PCB with high-speed signal integrity pre-simulation, RF layout rules, impedance control, and DFM/DFT review.
03
EVT/DVT/PVT Prototyping
Engineering validation, design verification and process validation: environmental stress testing, pre-certification scan, and ICT/FCT test fixtures.
04
Mass Production
Yield statistics, SOP hardening and production readiness audit for volume manufacturing with end-to-end traceability.
Custom Services

From spec to production, one accountable team

Qumtrix owns the project end-to-end — no separate service layer, no handoff between teams. You talk to the people who design the hardware.

01Week 1 —

Discovery

Requirements workshop. We map volume, region, certification scope and integration points. NDA & IP framework signed first.

02Week 3 —

Spec & Quote

Hardware block diagram, firmware architecture, BOM estimate, certification plan and itemised NRE quote. Fixed-price prototype.

03Week 7 —

Prototype

EVT — DVT — PVT. Industrial design validation, RF tuning, OTA stability and security review. Physical samples to your lab.

04Week 13 —

Certification

FCC / CE / RCM / ANATEL filings, carrier approvals (PTCRB, GCF). Lab tests in Shenzhen or Munich, then accredited final.

05Week 15 —

FATP & Launch

Final Assembly Test Plan. 100-unit pilot, then ramp to forecast. Supply chain visibility portal with live order status.

HW

Hardware Design

Schematic, PCB, RF, antenna, mechanical — from low-power cellular to multi-camera edge AI.

FW

Firmware Development

RTOS / Linux, OTA, low-power, security. BLE, Wi-Fi, LoRa and cellular coexistence.

CL

Cloud & App

Device management, telemetry pipelines, white-label mobile apps, OTA infrastructure.

CT

Certification

CE, FCC, RCM, PTCRB, RED, BIS, Anatel. We handle the labs and the paperwork.

SC

Supply Chain

BOM locking, multi-source qualification, factory audit and capacity planning.

LS

Lifecycle Support

Sustained engineering, security patching and end-of-life planning for 5+ year deployments.

Validation

Test Strategy

Clear separation between in-house capability and certified third-party lab partnerships.

IN

In-House

  • Baseband function verification and firmware debugging
  • Power consumption profiling (uA-level sleep current)
  • Conducted RF pre-test (spectrum, VNA, protocol)
  • Mechanical fit and assembly verification
  • Firmware OTA delta update validation
  • Environmental pre-screening (temperature cycling)
PL

Partner Labs

  • Radiated spurious emissions (RS/E) per EN 301 489
  • OTA TRP/TIS measurement in 3D anechoic chamber
  • Environmental reliability: IEC 60068-2-27 shock, 2-64 vibration
  • Salt spray ASTM B117 and IP65 ingress protection
  • Formal CE/FCC/Anatel certification testing
  • ESD immunity IEC 61000-4-2 (contact/air discharge)
Quality

Quality & Compliance

ISO 9001
Quality management system for design, development, and production.
Certification Pre-Scan
In-house pre-compliance testing before formal lab submission.
Supply Chain QC
IQC incoming inspection, PCN management, and EOL lifecycle alerts.
RoHS / REACH
Full material declaration and hazardous substance compliance.

Discuss your next design

Talk to our applications engineering team about architecture feasibility, RF requirements, and EVT planning.

Contact Engineering Request NDA Document