Specifications
Complete technical specifications for Haltian IoT Gateway N8
Hardware Specifications
Processor
| Component | Specification |
|---|
| Main CPU | NXP i.MX 8M Nano Arm Cortex A53 |
| Architecture | ARM 64-bit |
| Cores | Single core |
| Clock Speed | 1500 MHz |
| Co-processor | Arm Cortex M7 @650MHz |
| Use Case | Low-power operations, real-time tasks |
Memory & Storage
| Component | Specification |
|---|
| RAM | 1GB DDR4 |
| Storage | 8GB eMMC |
| Expandable Storage | MicroSD card slot (up to 128GB) |
| Boot Storage | eMMC (primary), MicroSD (fallback) |
I/O Interfaces
| Interface | Specification | Notes |
|---|
| USB 2.0 | 1 port | Type-A connector |
| Ethernet | 1 x RJ45 10/100/1000 Mbps | Gigabit capable |
| BLE 5.0 | 1 x nRF52833 SDR | Wirepas compatible |
| Expansion Header | 1 internal connector | GPIO, UART, I2C |
| Console Port | Internal UART | Debug and configuration |
Wireless Connectivity
WiFi and Bluetooth
| Feature | Specification |
|---|
| WiFi Standards | 802.11 a/b/g/n/ac |
| WiFi Frequencies | 2.4 GHz and 5 GHz |
| WiFi Security | WPA2-PSK, WPA3-PSK, WPA2-Enterprise |
| Bluetooth | Bluetooth 5.0 |
| Bluetooth Range | Up to 100m line-of-sight |
Wirepas Mesh (BLE 5.0)
| Feature | Specification |
|---|
| Radio Chipset | Nordic nRF52833 |
| Frequency | 2.4 GHz ISM band |
| Channels | 0-39 (40 channels) |
| Sensitivity | -95 dBm |
| TX Power | Up to +8 dBm |
| Range | 5-25m indoor, up to 100m LoS |
| Max Sensors | 200-500 (depending on message rate) |
Cellular (LTE Version Only)
| Feature | Specification |
|---|
| Technology | LTE Cat 4 with 3G/2G fallback |
| LTE Bands | Region-specific, see regional specs |
| 3G Bands | UMTS/HSPA+ |
| 2G Bands | GSM/GPRS/EDGE |
| SIM | Micro SIM (3FF) |
| Antenna | External SMA connector |
| Max Download | 150 Mbps (LTE Cat 4) |
| Max Upload | 50 Mbps (LTE Cat 4) |
LTE Frequency Bands (Example - Verify for region):
- LTE FDD: B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28
- LTE TDD: B38, B39, B40, B41
- 3G UMTS: B1, B2, B5, B8
- 2G GSM: 850, 900, 1800, 1900 MHz
Power Specifications
| Parameter | Specification | Notes |
|---|
| Input Voltage | 9-36V DC | Regulated power recommended |
| DC Connector | 5.5mm outer, 2.1mm inner | Center positive, twist & lock |
| PoE Support | IEEE 802.3af/at | BLE version only |
| PoE Power | 15.4W (af), 25.5W (at) | Class 0/3 |
| Idle Consumption | 0.4W | LEDs only, no network activity |
| Typical Operation | 3-5W | Normal sensor network operation |
| Peak Power | 8W | LTE transmission, max load |
| Maximum Current | 0.67A @ 12V | At peak power |
Power Budget by Component:
| Component | Idle | Typical | Peak |
|---|
| CPU + Memory | 0.2W | 1.5W | 2.5W |
| BLE Radio | 0.05W | 0.5W | 1.0W |
| Ethernet | 0.1W | 0.5W | 1.0W |
| WiFi (if active) | 0.05W | 1.0W | 2.0W |
| LTE (if equipped) | 0.1W | 1.5W | 4.0W |
| LEDs | 0.05W | 0.1W | 0.1W |
Physical Specifications
| Parameter | Specification |
|---|
| Dimensions (W x H x D) | 150 x 85 x 40mm |
| Weight | ~300g (BLE), ~350g (LTE) |
| Enclosure Material | ABS plastic |
| Mounting | Wall, DIN rail, desktop |
| Mounting Holes | 4 x M4 (100mm x 60mm spacing) |
| Color | Black |
| Status LEDs | 4 programmable LEDs |
| Buttons | None (internal reset only) |
Environmental Specifications
| Parameter | Specification | Notes |
|---|
| Operating Temperature | 0°C to 50°C | Industrial grade |
| Storage Temperature | -20°C to 65°C | |
| Operating Humidity | 0% to 95% RH | Non-condensing |
| Storage Humidity | 0% to 95% RH | Non-condensing |
| IP Rating | IP20 | Indoor use only |
| Altitude | 0-2000m | Operating |
| Pollution Degree | 2 | Normal indoor environment |
Certifications and Compliance
| Certification | Status | Notes |
|---|
| CE | Compliant | European Union |
| FCC | Compliant | United States |
| ISED | Compliant | Canada |
| RoHS | Compliant | Hazardous substances |
| REACH | Compliant | Chemical safety |
| WEEE | Compliant | Electronic waste |
| UKCA | Compliant | United Kingdom |
| UL | Pending | Industrial safety |
Safety and EMC
| Standard | Compliance | Description |
|---|
| IEC 60950-1 | Compliant | IT equipment safety |
| EN 55032 | Class B | Electromagnetic emissions |
| EN 55035 | Compliant | Electromagnetic immunity |
| EN 61000-3-2 | Compliant | Harmonic current emissions |
| EN 61000-3-3 | Compliant | Voltage fluctuations |
Software Specifications
Operating System
| Component | Specification |
|---|
| OS | Linux (Yocto-based) |
| Kernel | Linux 5.15+ |
| Architecture | ARM64 |
| Filesystem | ext4 |
| Bootloader | U-Boot |
Wirepas Stack
| Feature | Specification |
|---|
| Wirepas Version | 5.x |
| Stack Mode | Gateway (Sink) |
| Max Network Size | 16 million nodes |
| Max Hops | 30 (configurable, default 15) |
| Latency | <2 seconds typical |
| Reliability | >99% message delivery |
Network Protocols
| Protocol | Support | Purpose |
|---|
| HTTPS | TLS 1.2, 1.3 | Cloud communication |
| MQTT | 3.1.1, 5.0 | Alternate cloud protocol (optional) |
| NTP | RFC 5905 | Time synchronization |
| DHCP | Client | IP address assignment |
| DNS | Client | Name resolution |
| SSH | Optional | Remote access |
Cloud Integration
| Feature | Specification |
|---|
| Primary Protocol | HTTPS REST API |
| Authentication | Certificate-based (mTLS) |
| Data Format | JSON |
| Compression | gzip, zlib |
| Certificate Rotation | Automatic |
| Heartbeat Interval | 60 seconds (configurable) |
Processing Capacity
| Metric | Specification |
|---|
| Sensors Supported | 200-500 (message rate dependent) |
| Messages/Hour | 10,000 max, 5,000 recommended |
| Concurrent Connections | 200 sensors |
| Message Queue Size | 1000 messages |
| CPU Headroom | 50% minimum recommended |
| Metric | Specification | Notes |
|---|
| Mesh Latency | <2 seconds | Typical, varies with hops |
| Cloud Latency | <200ms | Depends on internet connection |
| Throughput | 1-5 Mbps | Aggregate sensor data |
| Message Size | Up to 102 bytes | CBOR encoded |
| Retry Attempts | 3 | Failed message handling |
Reliability
| Metric | Target | Notes |
|---|
| Uptime | 99.9% | Excluding planned maintenance |
| MTBF | >50,000 hours | Mean Time Between Failures |
| Message Delivery | >98% | Under normal conditions |
| Failover Time | <30 seconds | Multi-gateway deployments |
Expansion and Integration
Advanced Feature
Expansion header requires hardware access and specialized knowledge. Contact Haltian support before use.
| Pin | Signal | Voltage | Description |
|---|
| 1 | 3.3V | 3.3V | Power output (500mA max) |
| 2 | 5V | 5V | Power output (1A max) |
| 3 | GND | - | Ground |
| 4 | GPIO1 | 3.3V | General Purpose I/O |
| 5 | GPIO2 | 3.3V | General Purpose I/O |
| 6 | UART_TX | 3.3V | Serial transmit |
| 7 | UART_RX | 3.3V | Serial receive |
| 8 | I2C_SDA | 3.3V | I2C data |
| 9 | I2C_SCL | 3.3V | I2C clock |
| 10 | GND | - | Ground |
CAN Interface (LTE Version)
| Parameter | Specification |
|---|
| Standard | CAN 2.0A/2.0B |
| Baud Rates | 10 Kbps to 1 Mbps |
| Connector | 3-pin terminal block |
| Termination | 120Ω (optional, configurable) |
| Isolation | Galvanic isolation (2.5kV) |
| Max Bus Length | 40m @ 1 Mbps, 500m @ 125 Kbps |
Mechanical Specifications
Enclosure
| Feature | Specification |
|---|
| Material | ABS plastic |
| Flammability | UL94 V-0 |
| Color | RAL 9005 (Jet Black) |
| Surface Finish | Matte |
| Mounting Holes | M4 threaded inserts |
| DIN Rail Clip | Optional accessory |
Thermal Management
| Parameter | Specification |
|---|
| Cooling Method | Passive (natural convection) |
| Heat Dissipation | Up to 8W |
| Clearance Required | 10cm on all sides |
| Operating Altitude | 0-2000m (derating above) |
Connectors and Ports
| Connector | Type | Location | Purpose |
|---|
| Ethernet | RJ45 | Front panel | Network connection |
| USB | Type-A | Front panel | Accessories, debug |
| DC Power | 5.5/2.1mm jack | Rear panel | Power input |
| LTE Antenna | SMA | Front panel | LTE antenna (LTE version) |
| SIM Card | Micro SIM | Front panel | SIM card (LTE version) |
| CAN | 3-pin terminal | Front panel | CAN bus (LTE version) |
Package Contents
Standard Package
- 1 x Haltian IoT Gateway N8 (BLE or LTE version)
- 1 x Quick Start Guide
- 4 x Rubber feet (for desktop placement)
- 4 x M4 mounting screws (for wall mounting)
Optional Accessories
- DIN rail mounting bracket
- External LTE antenna (3dBi, 5dBi)
- DC power supply (12V, 2A)
- PoE injector (IEEE 802.3af/at)
- Console cable (USB to UART)
Warranty and Support
| Item | Specification |
|---|
| Warranty Period | 2 years from purchase |
| Extended Warranty | Available (contact sales) |
| Firmware Updates | Free for warranty period |
| Technical Support | Email support included |
| Advanced Support | Available (support contract) |
Radio Transmission Specifications
BLE (Wirepas Mesh):
- Frequency: 2400-2483.5 MHz
- Max TX Power: +8 dBm (6.3 mW)
- Modulation: GFSK
WiFi 2.4 GHz:
- Frequency: 2400-2483.5 MHz
- Max TX Power: +20 dBm (100 mW)
- Channels: 1-13 (region dependent)
WiFi 5 GHz:
- Frequency: 5150-5850 MHz
- Max TX Power: +23 dBm (200 mW)
- Channels: Region dependent
LTE (LTE Version):
- See cellular specifications table above
- Max TX Power: +23 dBm (200 mW)
Disposal and Recycling
This product contains electronic components and must be disposed of in accordance with WEEE regulations. Contact your local waste management authority for proper disposal instructions. Do not dispose of in household waste.
| Model | Part Number | Description |
|---|
| N8-BLE | TBD | BLE version with PoE support |
| N8-LTE | TBD | LTE version with cellular connectivity |
Contact Haltian Sales:
Revision History
| Version | Date | Changes |
|---|
| 1.0 | 2026-01-20 | Initial specification |
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