AceTel Releases Qualcomm SA522M and SA525M Rel16 Automotive-Grade 5G Modules
The AceTel N8 series automotive-grade 5G modules combine a 3GPP Release 16 modem, GNSS and C-V2X on the Qualcomm SA522M/SA525M platform for OEM vehicle programs.
AceTel, a global provider of carrier-grade IoT and automotive telematics hardware, today announced the volume release of its N8 series automotive-grade 5G modules, powered by the Qualcomm SA522M and Qualcomm SA525M Snapdragon Auto 5G Modem-RF Gen 2 platforms.
Engineered to comply with the 3GPP Release 16 standard and manufactured under rigorous IATF 16949:2016 automotive quality management systems, the N8 series provides tier-1 automotive suppliers, bus OEMs, and commercial fleet manufacturers with multi-gigabit cellular connectivity, concurrent Cellular Vehicle-to-Everything (C-V2X) direct communication, high-precision GNSS positioning, and dedicated automotive application processing.
Architectural Comparison: Qualcomm SA522M vs. SA525M
The Snapdragon Auto 5G Modem-RF Gen 2 family introduces two specialized silicon variants tailored to distinct vehicle electronics architectures: the Qualcomm SA522M for mainstream Telematics Control Units (TCU) and cellular gateways, and the Qualcomm SA525M for advanced autonomous driving safety systems and high-compute V2X hubs.
| Technical Parameter | Qualcomm SA522M Platform | Qualcomm SA525M Platform |
|---|---|---|
| 3GPP Specification | 3GPP Release 16 5G NR | 3GPP Release 16 5G NR |
| Network Architectures | 5G NR Standalone (SA) & Non-Standalone (NSA) | 5G NR Standalone (SA) & Non-Standalone (NSA) |
| Cellular Frequency Bands | Sub-6GHz (DL 4x4 MIMO), 4G LTE Cat 19 fallback | Sub-6GHz (DL 4x4 MIMO), 4G LTE Cat 19 fallback |
| Peak Downlink Speed | Up to 2.4 Gbps (SA) / 3.4 Gbps (NSA) | Up to 2.4 Gbps (SA) / 3.4 Gbps (NSA) |
| C-V2X PC5 Direct Sidelink | Optional / External Configuration | Integrated Concurrent Dual-Band C-V2X PC5 |
| Application Processor | Multicore ARM Cortex (up to 12K DMIPS) | High-Compute Multicore ARM (up to 20K DMIPS) |
| Hardware Security Engine | TrustZone, Secure Boot, Crypto Engine | Dedicated ECDSA Engine for C-V2X Verification |
| Positioning Engine | Multi-GNSS (GPS, BDS, GLONASS, Galileo) | Dual-Frequency GNSS + RTK + IMU Dead Reckoning |
| SIM Architecture | Dual SIM Dual Standby (DSDS) / eSIM support | Dual SIM Dual Standby (DSDS) / eSIM support |
| Automotive Grade | AEC-Q100 Grade 2 (-40°C to +85°C) | AEC-Q100 Grade 2 (-40°C to +85°C) |
| Primary Target Applications | Connected Car TCU, Smart Antennas, FMS Gateways | Autonomous Driving V2X, ADAS OBU, Smart Highway RSU |
Key Hardware Highlights of the AceTel N8 Series
1. 3GPP Release 16 Multi-Gigabit Performance
The SA522M and SA525M silicon platforms support both 5G SA and NSA deployments across global Sub-6GHz frequency bands. Dual SIM Dual Standby (DSDS) ensures continuous carrier failover, enabling commercial fleets operating across national borders to switch active telecom profiles dynamically without dropped telematics sessions.
2. Sidelink C-V2X PC5 Direct Communication on SA525M
The SA525M variant features dedicated C-V2X PC5 direct communication operating in the 5.9 GHz Intelligent Transport Systems (ITS) band. Vehicles equipped with the SA525M communicate directly with neighboring vehicles (V2V), roadside infrastructure (V2I), and vulnerable road users (V2P) without relying on cellular base station coverage:
- Zero-Latency Collision Avoidance: Forward collision warning, emergency electronic brake light alerts, and intersection movement assist.
- Hardware Cryptographic Acceleration: Built-in ECDSA verification engine verifies up to 2,500 incoming V2X safety messages per second, ensuring zero latency degradation during heavy traffic congestion.
3. Sub-Meter Satellite Positioning with RTK and Dead Reckoning
For lane-level navigation, automatic emergency calls (eCall), and autonomous valet parking, the N8 module pairs multi-constellation GNSS with Real-Time Kinematic (RTK) positioning algorithms and integrated 6-axis Inertial Measurement Unit (IMU) dead reckoning. Even in dense subterranean parking garages or urban skyscraper canyons, positional accuracy remains within sub-meter tolerances.
4. Rugged AEC-Q100 Grade 2 Automotive Endurance
Manufactured with automotive-grade passives and an optimized thermal dissipation substrate, the N8 series withstands continuous operating temperatures from -40°C to +85°C. The modules comply with ISO 16750 automotive environmental durability standards for severe mechanical vibration, thermal shock, and electrostatic discharge (ESD).
Target Commercial Deployments
- Original Equipment Manufacturer (OEM) TCUs: Serving as the central wireless bridge connecting vehicle CAN-FD/Ethernet backbones to automaker cloud telemetry centers.
- Commercial Fleet On-Board Units (OBU): Powers our commercial AceTel GN8 5G OBU, combining vehicle health diagnostics, driving video telematics, and passenger Wi-Fi hotspots.
- Smart Highway Roadside Units (RSU): Deployed along automated highway corridors and intersection gantries to broadcast signal phase and timing (SPaT) messages to incoming connected vehicles.
- Heavy Industrial & Autonomous Mining Vehicles: Providing ultra-reliable low-latency communication (URLLC) for remote tele-operation of haul trucks and excavators in open-pit mines.
Frequently Asked Questions (FAQ)
What is the primary difference between Qualcomm SA522M and SA525M modules?
While both modules share the core 3GPP Release 16 5G NR modem architecture and AEC-Q100 automotive qualification, the Qualcomm SA525M is equipped with an integrated C-V2X PC5 direct sidelink communication engine, an upgraded 20K DMIPS application processor, and a dedicated hardware ECDSA cryptographic engine for high-speed V2X safety message verification. The Qualcomm SA522M focuses on mainstream 5G telematics control units (TCU), smart antennas, and fleet IoT gateways where C-V2X direct radio is not required.
What 3GPP Release 16 advantages do SA522M and SA525M deliver over Release 15?
3GPP Release 16 brings critical enhancements for automotive use cases, including 5G Ultra-Reliable Low-Latency Communication (URLLC), improved power efficiency, enhanced Carrier Aggregation (CA) across Sub-6GHz bands, and standardized Sidelink C-V2X communication. This ensures lower round-trip latency for safety-critical cloud applications and longer hardware lifecycle longevity.
How does AceTel support automotive tier-1 suppliers during integration?
AceTel provides an end-to-end automotive engineering package including:
- Production-grade Evaluation Kits (EVK) and breakout boards with RF test ports.
- Reference schematic designs, PCB layout guidelines, and antenna impedance matching recommendations.
- BSP software support including Linux/QNX drivers, C-V2X protocol stacks, and FOTA firmware integration.
- Full laboratory pre-compliance testing for AEC-Q100, CE, FCC, and carrier approvals.
Which AceTel commercial products currently utilize this platform?
The automotive-grade platform directly powers our AceTel GN8 5G OBU and serves as the core wireless engine for custom automotive OEM projects. For industrial automation and SCADA networking, see our AceTel R310F 5G Industrial Router.
Evaluation Kits & Engineering Samples
AceTel is currently accepting sample requests and engineering evaluations for the N8 series (SA522M and SA525M variants). To request an EVK board, technical hardware manual, or schedule a technical review with an automotive FAE, please contact our engineering team or read our Fleet Management & Commercial Vehicle Telematics Solutions.
Technical insight published by AceTel's Field Application Engineering (FAE) and Hardware Architecture team. Tested across 3GPP and carrier-grade RF laboratory standards. Have project questions? Consult our engineers.
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