FIRSTNUM C2
FIRSTNUM CPE C2 WiFi Router User Manual
Model: C2 | Brand: FIRSTNUM
Introduction
The FIRSTNUM CPE C2 WiFi Router is a versatile and portable device designed to provide high-speed internet connectivity using a SIM card. It functions as both a modem and an Ethernet router, offering flexible usage in various environments, including homes, offices, RVs, and trucks. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your CPE C2 router.

Image: The FIRSTNUM CPE C2 WiFi Router, a white rectangular device with two external antennas, viewed from an angle showing its front and side.
Product Overview
The CPE C2 router is equipped with multiple indicators and ports for easy operation and connectivity. Understanding these components is essential for proper use.

Image: Diagram showing the front panel LED indicators (Power, WiFi, Network, Signal, Ethernet port) and the rear panel ports (LAN1, LAN2, LAN3, LAN4/WAN, Phone, USB, Power Port) of the FIRSTNUM CPE C2 router.
LED Indicators:
- Power LED: Indicates power status.
- WiFi LED: Indicates WiFi network activity.
- Network LED: Indicates cellular network connection status.
- Signal LED: Indicates cellular signal strength.
- Ethernet Port LED: Indicates activity on the Ethernet ports.
Ports:
- LAN/WAN Ports (RJ45): Four ports for wired network connections. One port can function as a WAN port for internet input via Ethernet cable.
- USB Port: For potential future use or specific accessories.
- Power Port: For connecting the power adapter.
- SIM Card Slot: For inserting a Nano SIM card to enable 4G LTE connectivity.
Setup Guide
Follow these steps to set up your FIRSTNUM CPE C2 WiFi Router:
- Insert SIM Card: Ensure your Nano SIM card is activated and supports hotspot services. Carefully insert the SIM card into the designated SIM card slot on the router.
- Connect Power: Plug the provided power adapter into the router's power port and then into a wall outlet. The Power LED should illuminate.
- Power On: The router should power on automatically. Wait for the Network and Signal LEDs to stabilize, indicating a successful connection to the cellular network.
- Initial WiFi Connection: Locate the default WiFi network name (SSID) and password printed on a label on the router. Connect your device (smartphone, laptop, etc.) to this WiFi network.
- Access Management Interface: Open a web browser on your connected device and enter 192.168.1.1 into the address bar. This will take you to the router's login page.
- Login: Enter the default username and password (usually "admin" for both, check the label if different).
- Configure APN (if necessary): In the management interface, navigate to the "Mobile" tab. You may need to enter the correct APN (Access Point Name) settings for your SIM card's operator. Save the settings and restart the device if prompted.

Image: Screenshot illustrating the steps to configure APN settings within the router's web management interface, showing the login screen and the "Mobile" tab with APN input fields.
Operating Instructions
Connecting Devices:
- Wireless Connection: Connect up to 32 devices simultaneously to the router's 2.4GHz or 5GHz WiFi networks using the SSID and password.
- Wired Connection: Use an Ethernet cable to connect devices like computers, gaming consoles, or smart TVs to the LAN ports for a stable wired connection.
- WPS Function: For quick and easy wireless connection, press the WPS button on the router and then activate WPS on your compatible device.
Dual-Band WiFi:
The CPE C2 supports dual-band WiFi (2.4GHz and 5GHz) for optimal performance. The 2.4GHz band offers wider coverage, while the 5GHz band provides faster speeds for closer devices.

Image: Graphic illustrating the dual-band WiFi capabilities (2.4GHz and 5GHz) and LTE CAT7 speeds (300Mbps download, 100Mbps upload) of the FIRSTNUM CPE C2 router.
Usage Scenarios:
The portable design and SIM card support make the CPE C2 suitable for various applications:
- Home & Office: Provides reliable internet where wired connections are unavailable or as a backup.
- Travel: Ideal for RVs, trucks, camping, and other mobile scenarios, ensuring connectivity on the go.
- Remote Locations: Suitable for holiday cabins or remote camera setups.

Image: Collage showing the FIRSTNUM CPE C2 router providing WiFi in various settings: RV, beach, camping, fishing, home, and office, emphasizing its portability.
Maintenance
- Keep Clean: Regularly wipe the router with a soft, dry cloth to prevent dust accumulation.
- Ventilation: Ensure the router is placed in a well-ventilated area to prevent overheating. Do not cover ventilation openings.
- Firmware Updates: Periodically check the router's management interface for available firmware updates to ensure optimal performance and security.
- Power Cycle: If experiencing minor connectivity issues, try power cycling the router (unplug, wait 10 seconds, plug back in).
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Router does not power on. |
|
| No internet connection via SIM card. |
|
| Slow WiFi speed or poor signal. |
|
| Cannot access router management interface (192.168.1.1). |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | FIRSTNUM C2 |
| Wireless Standard | IEEE 802.11a/b/g/n/ac (AC1200) |
| Frequency Band | Dual-Band (2.4GHz & 5GHz) |
| 2.4GHz WiFi Speed | Up to 300Mbps |
| 5GHz WiFi Speed | Up to 867Mbps |
| 4G LTE Category | CAT7 |
| 4G LTE Download Speed | Up to 300Mbps |
| 4G LTE Upload Speed | Up to 100Mbps |
| SIM Card Type | Nano SIM |
| Ethernet Ports | 4 x RJ45 (LAN/WAN) |
| Antennas | Two 5G cellular external antennas with MIMO 2*2 system |
| Max Connected Devices | Up to 32 |
| Special Features | WPS, Portable |
| Dimensions | 9.09 x 7.8 x 2.52 inches |
| Item Weight | 1.59 pounds |
| Battery | 1 Nonstandard Battery (included) |

Image: Graphic illustrating the various speeds supported by the FIRSTNUM CPE C2 router (4G LTE, 5GHz WiFi, 2.4GHz WiFi) and examples of compatible devices such as tablets, phones, laptops, and CCTV cameras.
Warranty and Support
FIRSTNUM offers a 6-month warranty for the CPE C2 WiFi Router. If you encounter any technical issues or have questions regarding the use of this product, please contact FIRSTNUM customer support. We are committed to providing assistance to ensure a positive user experience.
For support, refer to the contact information provided with your product packaging or visit the official FIRSTNUM website.
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