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Fibocom L850-GL 01AX792

Fibocom L850-GL 4G LTE Wireless Module User Manual

Model: L850-GL (FRU 01AX792)

Mtundu: Fibocom

1. Mawu Oyamba

The Fibocom L850-GL is an industry-leading LTE Cat9 high-speed wireless communication module designed to provide a perfect wireless experience. Based on the Intel 7360 platform, this module utilizes an M.2 interface, making it ideal for integration into notebook computers. Its compact size and robust features also make it suitable for applications in gateways, industrial monitoring, and telemedicine.

The L850-GL supports a wide range of network formats including LTE FDD, LTE TDD, and WCDMA. It boasts a downlink speed of up to 450 Mbps and an uplink speed of 50 Mbps, supporting 2x2 MIMO, 3CA (Carrier Aggregation) combination, and 2CA combination. Additionally, it supports eSIM functionality, catering to fast commercial deployment needs.

Fibocom L850-GL LTE Module features
Figure 1: Key features of the Fibocom L850-GL LTE Module, highlighting 24 Frequencies, 450Mbps Downlink, 30Mbps Uplink, and Global Approvals.
Pafupi view of the Fibocom L850-GL module
Figure 2: A detailed close-up of the Fibocom L850-GL module, showing its M.2 form factor and labeling.

2. Zofotokozera

General

  • Dimension: 42.00 x 30.00 x 2.30 mm
  • Mtundu wa Chiyankhulo: M.2
  • Mtundu: Wireless (Internal)
  • Wireless Modem Type: LTE
  • Magetsi: 3.135V ~ 4.4V (Typical 3.3V)
  • Kutentha kwa Ntchito: -20 ℃ ~ +65 ℃
  • Supported OS Drivers: Windows 10, Android*, Linux, Chrome OS
  • Chitsimikizo: CE
  • Zomwe Zagulitsa: Stock, Used

Magulu a Network

  • LTE FDD: B1/B2/B3/B4/B5/B7/B8/B11/B12/B13/B17/B18/B19/B20/B21/B26/B28/B29/B30/B66
  • LTE TDD: B38/B39/B40/B41
  • WCDMA: B1/B2/B4/B5/B8

Data Transmission Speeds

  • LTE FDD (Cat9): 450 Mbps (Downlink) / 50 Mbps (Uplink)
  • LTE TDD (Cat9): 347 Mbps (Downlink) / 30 Mbps (Uplink)
  • UMTS: 384 kbps (Downlink) / 384 kbps (Uplink)
  • Kufotokozera: DC-HSPA +: 42 Mbps (Downlink) / 5.76 Mbps (Uplink)

3. Kugwirizana

The Fibocom L850-GL (FRU 01AX792) is compatible with various ThinkPad laptop models. Please ensure your laptop model is listed below for proper functionality:

  • ThinkPad X280 (20KE, 20KF)
  • ThinkPad T580 (20L9, 20LA)
  • ThinkPad P52s (20LB, 20LC)
  • ThinkPad X1 Yoga Gen 3 (20LD, 20LE, 20LF, 20LG)
  • ThinkPad T480s (20L7, 20L8)
  • ThinkPad X1 Carbon Gen6 (20KH, 20KG)
  • ThinkPad T480 (20L5, 20L6)
  • ThinkPad L480 (20LS, 20LT)
  • ThinkPad L580 (20LW, 20LX)
  • ThinkPad X380 Yoga (20LH, 20LJ)
  • ThinkPad P52 (20M9, 20MA)

Note: Compatibility is crucial. Using the module with an unsupported model may lead to non-functionality or system instability. Always verify your laptop's specific FRU (Field Replaceable Unit) requirements.

4. Zamkatimu Phukusi

Mukatsegula phukusi lanu, chonde onetsetsani kuti zinthu zonse zotsatirazi zikuphatikizidwa:

  • 1 x Fibocom L850-GL FRU 01AX792 WWAN card
  • 2 x M.2 antennas (30CM length)
  • Assorted mounting screws
Fibocom L850-GL module with two M.2 antennas
Figure 3: The Fibocom L850-GL module shown alongside the two included M.2 antennas.
Fibocom L850-GL module, antennas, and mounting screws
Figure 4: Complete package contents including the Fibocom L850-GL module, two antennas, and mounting screws.

5. Kukhazikitsa ndi Kuyika

Installing the Fibocom L850-GL module requires opening your laptop. If you are not comfortable performing this procedure, please seek assistance from a qualified technician.

Chitetezo

  • Always power off your laptop and disconnect it from the power adapter before beginning installation.
  • Remove the battery if it is user-removable.
  • Tsitsani magetsi osasunthika pogwira chinthu chachitsulo chokhazikika.
  • Refer to your laptop's specific service manual for detailed instructions on opening the chassis.

Kuyika Masitepe

  1. Prepare Laptop: Power off your laptop, disconnect all cables, and remove the bottom cover according to your laptop's service manual.
  2. Pezani M.2 Slot: Identify the available M.2 slot designated for WWAN modules. This is typically a shorter M.2 slot than the one used for Wi-Fi or SSDs.
  3. Ikani Module: Gently insert the Fibocom L850-GL module into the M.2 slot at a slight angle. Push it in until it is fully seated.
  4. Chitetezo Module: Press the module down and secure it with one of the provided screws.
  5. Lumikizani Antennas: Carefully connect the two M.2 antennas to the corresponding 'Main' and 'Aux' connectors on the module. Ensure a firm connection.
  6. Tsekani Chassis: Reattach the laptop's bottom cover and secure it with screws. Reinsert the battery if removed.
  7. Yatsani: Connect the power adapter and power on your laptop.
  8. Kuyika Madalaivala: The operating system (Windows 10, Linux, Chrome OS, Android) should automatically detect the new hardware and attempt to install drivers. If not, you may need to download the latest drivers from the Fibocom website or your laptop manufacturer's support page.
  9. Ikani SIM Card: If your laptop has an external SIM card slot, insert your activated 4G LTE SIM card.

6. Malangizo Ogwiritsira Ntchito

Once the Fibocom L850-GL module is successfully installed and drivers are in place, you can begin using its 4G LTE capabilities.

  1. Tsimikizirani Kuyika Madalaivala: Check Device Manager (Windows) or equivalent system information (Linux/Chrome OS) to ensure the Fibocom L850-GL module is recognized and functioning correctly without any errors.
  2. Access Cellular Settings: Navigate to your operating system's network settings. You should find a 'Cellular' or 'Mobile Broadband' option.
  3. Enable Cellular Connection: Turn on the cellular data connection. Your system should detect available networks.
  4. Lumikizani ku Network: Select your preferred mobile network operator (if multiple are available) and connect. You may need to enter an APN (Access Point Name) provided by your carrier.
  5. Yang'anirani kulumikizana: The network status icon in your system tray or notification area will indicate the connection status and signal strength.

7. Kusamalira

To ensure optimal performance and longevity of your Fibocom L850-GL module, consider the following maintenance tips:

  • Zosintha Zoyendetsa: Regularly check for and install the latest drivers for the module from Fibocom's official website or your laptop manufacturer's support page. Updated drivers can improve performance, stability, and security.
  • Kupumira mpweya m'dongosolo: Ensure your laptop has adequate ventilation to prevent overheating, which can affect the performance of internal components, including the WWAN module.
  • Chitetezo Chakuthupi: Avoid dropping or subjecting your laptop to physical shocks, as this can damage internal components.
  • Zosintha pa Mapulogalamu: Keep your operating system updated to ensure compatibility and security for all hardware components.

8. Mavuto

If you encounter issues with your Fibocom L850-GL module, refer to the following common troubleshooting steps:

Mavuto Wamba ndi Mayankho

VutoChifukwa Chotheka / Njira Yothetsera
Module not detected by OS
  • Ensure the module is correctly seated in the M.2 slot.
  • Verify compatibility with your specific laptop model (check FRU).
  • Check Device Manager for unknown devices or errors. Reinstall drivers if necessary.
  • Ensure the laptop's BIOS/UEFI has the WWAN module enabled.
No cellular signal or weak signal
  • Ensure antennas are securely connected to the module.
  • Check antenna routing within the laptop chassis for obstructions or damage.
  • Verify SIM card is correctly inserted and activated with your carrier.
  • Check cellular settings in OS (APN, network selection).
  • Pitani kudera lomwe lili ndi netiweki yabwinoko.
Slow data speeds
  • Check signal strength; weak signal leads to slower speeds.
  • Verify your data plan with your carrier.
  • Ensure drivers are up to date.
  • Network congestion in your area.
Compatibility with specific ThinkPad models (e.g., X390, X250)Refer to the 'Compatibility' section (Section 3) of this manual. If your model is not listed, it may not be officially supported. Always check your laptop's FRU list.
Confusion about M.2 slots (Wi-Fi vs. WWAN)WWAN modules typically use a dedicated M.2 slot, often shorter than Wi-Fi or SSD slots. Do not remove your existing Wi-Fi module unless specifically instructed by your laptop's service manual for WWAN installation.
Advanced security parameters (e.g., 'seclevel 0')Such configurations are typically handled at the firmware or driver level. Consult Fibocom's technical documentation or support for advanced security settings.

9. Malangizo Ogwiritsa Ntchito

  • Verify Laptop Support: Musanaguleasing, always double-check your specific ThinkPad model's documentation or Lenovo's support site to confirm it has an available and compatible M.2 slot for a WWAN module and supports the FRU 01AX792.
  • Kuyika kwa Antenna: For optimal signal reception, ensure the included antennas are routed correctly within your laptop chassis and are not obstructed by other components.
  • Driver Management: While Windows 10 often installs generic drivers, obtaining the official Fibocom or Lenovo-provided drivers can ensure full functionality and better performance.
  • Kuyambitsa SIM Card: Ensure your 4G LTE SIM card is active and provisioned for data services by your mobile carrier before attempting to connect.

10. Chitsimikizo ndi Thandizo

For warranty information, technical support, or service inquiries regarding your Fibocom L850-GL module, please refer to the documentation provided by your seller or contact Fibocom directly through their official website. Keep your purchase receipt and product serial number handy when seeking support.

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