---
title: "MC400 Modular Modem"
url: "https://cradlepoint.ericsson.com/products/accessories/mc400-modular-modem/"
description: "The Ericsson Cradlepoint MC400 is a modular modem that can be added to the second modem slot in a Ericsson Cradlepoint router. The MC400 is typically added to either upgrade the router modem to the latest technology or to serve as a second modem to increase availability and coverage."
content_type: "pim_accessory"
part_no: "BB-MC400-1200M-B, MA-MC400-1200M-B, BF-MC400-1200M-B, BA-MC400-5GB, MB-MC400-5GB, BF-MC400-5GB"
product_status: "Active"
accessory_family: "Modular"
modular_subtype:
  - "MC400 Modems"
regions:
  - "North America"
  - "Europe"
  - "Asia-Pacific"
breadcrumb: "[Home](https://cradlepoint.ericsson.com/) › Products › [Accessories](https://cradlepoint.ericsson.com/products/accessories/) › MC400 Modular Modem"
gated: false
---

# MC400 Modular Modem

Part #: BB-MC400-1200M-B, MA-MC400-1200M-B, BF-MC400-1200M-B, BA-MC400-5GB, MB-MC400-5GB, BF-MC400-5GB

The MC400 Modular Modem combines enterprise reliability with Gigabit-Class LTE and 5G performance. Ericsson Cradlepoint MC400-capable fixed site, vehicle, and IoT routers can be easily upgraded to include industry-leading capabilities such as dual modems, 5G, and LTE Advanced Pro.

![MC400 Modular Modem](https://images.contentstack.io/v3/assets/blt2588e757607604a2/blt7e6473cc698ed291/69f799b50e23a800cdb3c386/36517_mc400-5gb-front-600x320-1.png)

![MC400 Modular Modem](https://images.contentstack.io/v3/assets/blt2588e757607604a2/blt387eb64a8590d57d/69fce83215b774e349ca5d7b/url_mc400-5gb-back-600x320-1.png)

![MC400 Modular Modem](https://images.contentstack.io/v3/assets/blt2588e757607604a2/blt47aadefbefd8dc5a/69fce833c9ffb15741afbef9/url_MC400-1200M-B-front2.png)

![MC400 Modular Modem](https://images.contentstack.io/v3/assets/blt2588e757607604a2/blt3903c9c0eafcb664/69fce834094e3a5d04c55896/url_MC400-1200M-B-back.png)

## Product description

- Greater revenue and cost-saving opportunities with the ability to run advanced bandwidth-intensive applications.

- Better return on investment with the capability to upgrade to the latest modems without replacing the original hardware.

- Higher availability by installing a second modem for failover connectivity.

- Lower data plan costs by automatically switching to the second modem/SIM when the data plan cap on the primary modem/SIM has been reached.

- Certified versions are available for public safety networks worldwide.

## Accessories

**Included:**

- MC400 Modular Modem

- Cellular antennas: zero or four (depending on SKU purchased)

- Modem door covers

## Resources

- [MC400 data sheet](https://cradlepoint.com/datasheet/mc400-modular-modem)

- [MC400 product brief](https://resources.cradlepoint.com/content/mc400-product-brief?lx=-gSah5https://resources.cradlepoint.com/content/mc400-product-brief?lx=-gSah5)

- [MC400 quick start guide](https://customer.cradlepoint.com/s/article/MC400-Getting-Started)

- [Region availability](https://cradlepoint.com/products/certifications/#MC400)

## Compatible hardware

### Endpoints

- [E3000](https://cradlepoint.ericsson.com/products/endpoints/e3000/)
- [E300](https://cradlepoint.ericsson.com/products/endpoints/e300/)
- [IBR1700](https://cradlepoint.ericsson.com/products/endpoints/ibr1700/)
- [AER2200](https://cradlepoint.ericsson.com/products/endpoints/aer2200/)
- [R920](https://cradlepoint.ericsson.com/products/endpoints/r920-series/)
- [R1900](https://cradlepoint.ericsson.com/products/endpoints/r1900-series/)

### Accessories

- [COR Extensibility Dock](https://cradlepoint.ericsson.com/products/accessories/cor-extensibility-dock-3/)
- [RX20-MC Managed Accessory](https://cradlepoint.ericsson.com/products/accessories/rx20-mc-managed-accessory/)
- [RX30-MC Managed Accessory](https://cradlepoint.ericsson.com/products/accessories/rx30-mc-managed-accessory/)