> Source: [sk154073](https://support.checkpoint.com/results/sk/sk154073)

# sk154073 - 3G/4G modem MF833V with RBD_MF833VV1.0.0B01 firmware version does not work with the device

| Property | Value |
|----------|-------|
| Solution ID | sk154073 |
| Date Created | 2019-05-22 |
| Last Modified | 2019-05-23 |
| Technical Level | Advanced |
| Products | Spark Firewall (Locally Managed) |
| Versions | R82.00.X, R81.10.X |

## Symptoms

- * 3G/4G modem MF833V with RBD_MF833VV1.0.0B01 firmware version works well when it is connected to a PC, but not when it is plugged into the Firewall,
* The WebUI shows that the connection timed out.

## Cause

600/1100 appliances require another firmware version: **BD_COMPCMF833VV1.0.0B01**

For more information, refer to the "3G and 4G modems supported with Check Point 600 and 1100 appliances" table in [sk92809: Supported 3G and 4G/LTE Modems with Check Point 600 / 700 / 1100 / 1200R / 1400 / 910 appliances](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk92809&partition=General&product=Small)

## Solution

This solution requires authentication. Please log in to view the full solution.

---

# Agent Instructions

This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products.

## Navigating This Knowledge Base

- **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt)
- **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml)
- **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}`
- **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content
