Comprehensive Product Summary – ORing IAR‑142⁺‑4G Industrial Cellular Router
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### 1. Product Overview

Product Name: IAR‑142⁺‑4G
Model: IAR‑142⁺‑4G
Series: IAR‑142 / IAR‑142⁺‑4G Series – IEEE 802.11b/g/n Industrial Cellular Router
Article Number: IAR‑142⁺‑4G
Manufacturer: ORing Industrial Networking Corp.
Manufacturer Website: [www.oring-networking.com](http://www.oring-networking.com)
Headquarters: 3F., No.542‑2, Jhongjheng Rd., Sindian District, New Taipei City 231, Taiwan, R.O.C.
Support Contact: support@oring-networking.com

The ORing IAR‑142⁺‑4G is an industrial‑grade cellular router designed for reliable wireless and wired networking in demanding environments. It integrates IEEE 802.11b/g/n WLAN, dual 10/100Base‑T(X) Ethernet ports, and a built‑in 4G LTE modem. The device supports LAN/WAN routing, VPN, and PoE PD functionality, making it suitable for remote monitoring, M2M communication, and industrial automation networks.

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### 2. Key Features

- Integrated Cellular and WLAN Router: Combines 4G LTE/3G/3.5G/GPRS cellular connectivity with IEEE 802.11b/g/n wireless LAN and dual Ethernet ports.
- Dual Ethernet Ports: Two 10/100Base‑T(X) RJ‑45 ports (ETH1 for LAN, ETH2 for WAN) with auto‑negotiation and auto‑MDI/MDI‑X.
- PoE PD Support: ETH1 port supports IEEE 802.3af Power Device (PD) standard with 1 kV isolation, allowing power input via PoE switch up to 100 m cable length.
- High‑Speed WLAN: Supports up to 150 Mbps link speed on 802.11n (2.4 GHz band).
- Advanced Security: WEP/WPA/WPA2 (TKIP/AES), WPA‑PSK, WPA2‑PSK, and 802.1X authentication; MAC filtering and IP filtering for access control.
- VPN & Firewall: Integrated OpenVPN server/client, NAT, DMZ, port forwarding, IP/MAC filters, and firewall rules for secure remote access.
- Redundant Power Inputs: Dual 12–48 V DC inputs on 4‑pin terminal block with reverse polarity and overload protection.
- Industrial Design: IP‑30 metal enclosure, DIN‑rail or wall‑mount installation, wide operating temperature range (‑10 °C to 60 °C).
- Event Notification: Syslog, SNMP trap, email, and SMS alerts for system events or failures.
- Management Interfaces: Web‑based GUI (HTTP/HTTPS), SNMP, and remote management with configurable ports and permissions.
- Firmware & Configuration Management: Web‑based firmware upgrade, configuration backup/restore, and factory reset options.
- Compliance: Meets FCC Part 15, EN55022 Class A, EN61000‑4‑x EMC standards, and EN60950‑1 safety requirements.

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### 3. Technical Specifications

Physical Ports
- 2 × 10/100Base‑T(X) RJ‑45 ports (Auto MDI/MDI‑X)
- 1 × PoE PD port (ETH1, IEEE 802.3af compliant, 1 kV isolation)
- 1 × SIM card slot (standard size)

Cellular Interface
- Antenna Connectors: 2 × SMA female (main and auxiliary)
- Standards Supported: GSM / GPRS / EDGE / WCDMA / HSDPA / HSUPA / LTE
- Frequency Bands:
- *US Model:* LTE 1900 (B2), 1700 (B4), 850 (B5), 700 (B13/B17), 1900 (B25); CDMA/EVDO 800/1900 MHz; UMTS/HSPA+ 850/900/1700/1900/2100 MHz
- *EU Model:* LTE 2100 (B1), 1800 (B3), 2600 (B7), 900 (B8), 800 (B20); UMTS/HSPA+ 800/850/900/1900/2100 MHz; GSM 850/900/1800/1900 MHz

WLAN Interface
- Antenna Connector: 1 × Reverse SMA female
- Standards: IEEE 802.11b/g/n (2.4 GHz)
- Modulation:
- 802.11b – CCK/DQPSK/DBPSK
- 802.11g – OFDM
- 802.11n – BPSK/QPSK/16‑QAM/64‑QAM
- Frequency Band:
- FCC (US): 2.412–2.462 GHz (11 channels)
- CE (EU): 2.412–2.472 GHz (13 channels)
- Data Rates:
- 802.11b – 1/2/5.5/11 Mbps
- 802.11g – 6–54 Mbps
- 802.11n (40 MHz) – up to 150 Mbps
- Transmit Power: 13.5 dBm ± 1.5 dBm (typical for all modes)
- Receiver Sensitivity: 
- 802.11b – ‑90 dBm @ 1 Mbps
- 802.11g – ‑72 dBm @ 54 Mbps
- 802.11n (40 MHz, MCS7) – ‑68 dBm ± 2 dBm
- Security: WEP (64/128‑bit), WPA/WPA2, WPA‑PSK (256‑bit), 802.1X authentication, TKIP/AES encryption, SSID broadcast disable

Power
- Input Voltage: 12–48 V DC (dual inputs)
- Power Consumption: Max 3 W
- Protection: Overload current and reverse polarity protection
- PoE PD: IEEE 802.3af compliant (ETH1 port)

Physical Characteristics
- Enclosure: Metal, IP‑30 rated
- Dimensions: 45 (W) × 80.6 (D) × 95 (H) mm
- Weight: Approx. 365 g

Environmental Conditions
- Operating Temperature: ‑10 °C to 60 °C (14 °F to 140 °F)
- Storage Temperature: ‑40 °C to 85 °C (‑40 °F to 185 °F)
- Humidity: 5 % to 95 % (non‑condensing)

Regulatory Approvals
- EMI: FCC Part 15, CISPR (EN55022) Class A
- EMS: EN61000‑4‑2 (ESD), ‑4‑3 (RS), ‑4‑4 (EFT), ‑4‑5 (Surge), ‑4‑6 (CS), ‑4‑8, ‑4‑11
- Shock: IEC 60068‑2‑27
- Vibration: IEC 60068‑2‑6
- Free Fall: IEC 60068‑2‑31
- Safety: EN 60950‑1

Warranty: 3 years

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### 4. Functionality

The IAR‑142⁺‑4G functions as a multi‑interface industrial router providing cellular, wireless, and wired connectivity. It supports three primary routing modes:

1. Dynamic/Static IP Routing – standard LAN/WAN routing with DHCP or fixed addressing.
2. PPPoE Authentication – for broadband connections requiring username/password.
3. Modem Dial‑Up Mode – uses internal 4G LTE modem for GPRS/3G/3.5G/LTE connectivity.

Use Cases & Applications:
- Remote monitoring and telemetry (SCADA, IoT gateways)
- Industrial automation and control systems
- Transportation and mobile networked equipment
- Energy and utility infrastructure (substations, pipelines)
- Backup WAN connectivity for critical systems

Compatibility:
- Works with standard Ethernet devices (PCs, switches, PLCs, IP cameras).
- Supports CAT 3–6 UTP cables up to 100 m.
- Compatible with PoE PSE switches for power input.

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### 5. Components & Accessories

Included Items:
- IAR‑142⁺‑4G router unit
- 2 × LTE antennas (SMA connectors)
- 1 × Wi‑Fi antenna (reverse SMA)
- 1 × DIN‑rail mount kit
- 2 × Wall‑mount brackets
- 1 × 4‑pin terminal block connector
- 2 × Dust covers
- Quick Installation Guide (QIG) and CD

Optional Accessories:
- External RF cables and high‑gain antennas
- ORing PoE switches (IPS series) for PoE power input
- Industrial power adapters (12–48 V DC)

Connectors:
- RJ‑45 Ethernet ports (10/100 Base‑T(X))
- SMA female for cellular antennas
- Reverse SMA female for Wi‑Fi antenna
- 4‑pin terminal block for DC power input
- SIM card slot (top panel)

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### 6. Installation & Setup

Mounting Options:
- DIN‑Rail Installation: Attach the included DIN‑rail kit to the rear panel and slide onto a standard rail until it clicks securely.
- Wall Mounting: Use the two mount brackets and four screws (6 mm head × 3 mm thread) to secure the device to a flat surface.

Power Connection:
- Connect DC power (12–48 V) to V+ and V– terminals on the 4‑pin block.
- For redundancy, use both PWR1 and PWR2 inputs.
- Alternatively, power via PoE on ETH1 port from a PoE PSE switch.

Grounding:
- Connect the ground screw to a proper earth ground to reduce EMI and ensure safety.

Initial Configuration:
1. Connect a PC to ETH1 (LAN) using an Ethernet cable.
2. Access the web interface at http://192.168.10.1 (default IP).
3. Login with default credentials (admin / admin).
4. Configure WAN, LAN, and wireless settings as required.
5. Change default password for security.

Reset Procedure: Press and hold the Reset button until the Power LED flashes to restore factory defaults.

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### 7. Performance & Capabilities

- WLAN Throughput: Up to 150 Mbps (802.11n 40 MHz)
- Ethernet Speed: 10/100 Mbps auto‑negotiation
- Cellular Data Rate: Dependent on LTE network (up to 100 Mbps DL / 50 Mbps UL typical)
- PoE Power Input: IEEE 802.3af (48 V nominal)
- Power Consumption: 3 W maximum
- Routing Performance: Enhanced LAN‑to‑WAN throughput via HNAT (Hardware NAT)
- VPN Support: OpenVPN server/client with UDP/TCP tunneling, LZO compression, certificate management
- Firewall Capabilities: IP/MAC filtering, custom rules, NAT, DMZ, port triggering, UPnP, NAT‑PMP
- Dynamic Routing: Supports RIP v1/v2 protocols for automatic route updates
- DHCP Server/Relay: Built‑in DHCP server with static IP‑MAC mapping and lease management
- DDNS Support: Dynamic DNS for remote access to devices with dynamic IP addresses
- Event Handling: Syslog, SNMP trap, email, and SMS notifications for system events
- Limitations: Fast Ethernet (100 Mbps max), single SIM slot, no 5 GHz Wi‑Fi support

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### 8. Standards & Compliance

Networking Standards:
- IEEE 802.3 (10Base‑T)
- IEEE 802.3u (100Base‑TX)
- IEEE 802.3af (Power over Ethernet PD)
- IEEE 802.11b/g/n (WLAN)
- IEEE 802.1X (Authentication)

Regulatory Compliance:
- EMI: FCC Part 15 Class A, EN55022 Class A
- EMS: EN61000‑4‑2 (ESD), ‑4‑3 (RS), ‑4‑4 (EFT), ‑4‑5 (Surge), ‑4‑6 (CS), ‑4‑8, ‑4‑11
- Safety: EN60950‑1
- Environmental: IEC 60068‑2‑27 (Shock), ‑2‑6 (Vibration), ‑2‑31 (Free Fall)

RF Compliance:
- FCC Statement: Complies with Part 15 rules; operation subject to no harmful interference and acceptance of any interference received.
- Industry Canada: Complies with RSS standards for license‑exempt radio devices.
- RF Exposure: Maintain minimum 20 cm distance from personnel; antenna must not be co‑located with other transmitters.

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### 9. Additional Information

Warranty: 3 years limited hardware warranty against defects in materials and workmanship.
Maintenance: Periodic firmware updates available from ORing website; configuration backup recommended before upgrading.
Support: Technical support via email (support@oring-networking.com) and regional distributors.
Firmware Upgrade: Performed through web interface (HTTP/HTTPS); do not power off during upgrade.
Configuration Backup/Restore: Supports Web and TFTP methods for saving and restoring settings.
Remote Management: Accessible via HTTP/HTTPS or SNMP; configurable management ports and access permissions.
Event Logging: Local and remote Syslog support with customizable log levels.
Security Recommendations: Change default credentials, enable HTTPS, and restrict remote management to trusted hosts.

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### Summary

The ORing IAR‑142⁺‑4G is a compact, rugged, and feature‑rich industrial cellular router engineered for mission‑critical networking. It integrates 4G LTE connectivity, dual Ethernet interfaces, and 802.11b/g/n Wi‑Fi into a single IP‑30‑rated metal enclosure. With redundant power inputs, PoE PD capability, and comprehensive routing, VPN, and security functions, it provides reliable communication for industrial automation, transportation, and remote monitoring systems.

Its wide operating temperature range, DIN‑rail/wall‑mount flexibility, and compliance with international EMC and safety standards make it ideal for harsh industrial environments. The router’s advanced management interface, event notification system, and firmware upgrade options ensure long‑term maintainability and secure operation in both standalone and integrated network architectures.