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Cradlepoint CBA250 3G/4G Adapter
Firmware 1.9.0 - DISCONTINUED

No Longer Available

Item Number: 1685




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The CBA250 has reached "end of life" and is no longer available - it has been replaced by the Cradlepoint CBR450. To view and compare ALL the available routers, use our Router Advisor.

The Cradlepoint CBA-250 Cellular Broadband Adapter provides IP Pass-Through capabilities for a LAN device requiring broadband access. For most applications, simply connect the CBA250 and turn the unit on. The CBA250 handles the connection without configuration and gives enhanced network connectivity with support for USB and ExpressCard modems running on EVDO and HSPA. Delivers mobile broadband in an accessible, familiar format (Ethernet).

As a high-performance adapter platform, the CBA250 supports multiple and concurrent application streams for the attached LAN device. This flexible connectivity solution comes with an always-on signal-strength meter to determine the best cellular coverage location for optimum placement.

Fast Facts about this Product:

  • This router is best for: Users needing IP Pass-Through capabilities for a LAN device or users with existing networks in place looking for a simple solution to connect their mobile broadband device to their network via ethernet. This is NOT a WiFi router!
  • Form Factors Supported: 1 USB, 1 Expresscard (view full compatibility chart)
  • Technologies Supported: 2G, 3G, and 4G
  • WiFi Standard: N/A
  • WiFi Range: N/A
  • Number of Ethernet ports: 1 LAN output
  • Load Balancing: No (more info)
  • Power Supply: AC Adapter included, DC adapter sold separately
  • Size: small - 4.8”x 2.8”x 0.8”
  • Click here for compatible accessories

Tech Support and 24/7 Support Portal Access Included: Our expert tech support is included for free with your purchase. You'll also have 24/7 access to our online Support Portal (which includes step-by-step guides, tip sheets, documentation, manuals, and more)! You can view all the support items you'll have access to by clicking on the "Support" tab above.


  • Provides a public IP address to the local LAN device
  • Converts Ethernet to Cellular and Cellular to Ethernet
  • Plug n Play simplicity
  • "Drop in" solution to add cellular flexibility to any network
  • IP Pass-Through design provides seamless connection
  • Supports over 75 cellular modems and handsets
  • Platform independent with standard Ethernet connection
  • 10/100 Ethernet port for LAN connection


  • Model #: CBA250 Cellular Broadband Adapter
  • Network Connections: Ethernet (LAN), USB 2.0, ExpressCard (34) Slot
  • WAN/LAN Compatibility: IEEE 802.3u compliant. Cable & DSL modems with dynamic IP, static IP, PPPoE, PPTP, L2TP, or BigPond connection types
  • Cellular Modem Compatibility: 3G modems and handsets supporting EVDO, HSPA, UMTS, USB, ExpressCard 34, cellular handset (via USB) interfaces
  • Adapter Features: Device management via web browser, flash memory for firmware upgrade, save/restore configuration settings
  • Indicators: Power, Ethernet LAN, USB modem, ExpressCard modem, Signal Strength
  • Buttons:SGNL - signal strength display, Reset button
  • Web Browsers: Internet Explorer, Mozilla Firefox, Safari
  • Platform Compatibility: Windows 2000/XP/Vista, Mac OS X, Linux
  • Dimensions: 4.8" x 2.8" x 0.8"
  • Power: 5VDC, 2.5-3.0A; 100-240V AC/li>
  • Weight: 3.5 oz.
  • Certifications: FCC Part 15 Class B
  • Operating Temp: 0 C to 50 C
  • One year manufacturer's warranty

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Warranty info: Like all products purchased from 3Gstore, this router falls under our 30-day return policy (read full details here: Thereafter, CradlePoint, Inc. warrants this product against defects in materials and workmanship to the original purchases (or the first purchaser in the case of resale by an authorized distributor) for a period of one (1) year from the date of shipment. This warranty is limited to a repair or replacement of the product, at CradlePoint’s discretion.

Purchasing this product gets you access to the following exclusive 3Gstore resources:

Chain 2 Routers Tip Sheet 09/29/2015
Cascading 2 Routers Tip Sheet 09/14/2015
Changing Your Router's IP Address 09/10/2015
Cradlepoint Firewall DMZ 09/09/2015
Dynamic DNS Tip Sheet 09/03/2015
IP Camera Router Tip Sheet 09/02/2015
Cradlepoint IP Passthrough Tip Sheet 09/01/2015
Client List Tip Sheet 08/10/2015
Cascading 2 Routers Tip Sheet 06/17/2017
UML295 and Cradlepoint Firmware 5.3+ 06/17/2015
Remote Assistance Tip Sheet 05/04/2015
How to Find Your Device(s)' Local IP address 06/02/2015
Testing Ports with Telnet Tip Sheet 02/24/2015
Using a Router to Block Access to your Home Modem 02/24/2015
Setting Up Apple Airport w Cradlepoint or Peplink 02/16/2015
CradlePoint EOL Policy Guide 12/2/2014 12/02/2014
A Custom Appearance For Your SSID
Cradlepoint MAC Filtering 01/14/2015
Windows/Mac Static IP Address Tip Sheet 11/24/2014
Sim Card Adapter Conversion Tip Sheet 10/09/2014
AT&T Beam (Netgear 340U) Troubleshooting Guide 10/03/2014
Using AT&T Momentum w/ a CradlePoint Or Peplink 06/30/2014
Pantech Utility Tool for UML290 04/30/2014
PCI Compliance Cradlepoint Tip Sheet 01/28/2014
Deleting Configuration Rules to re-ad APN 12/16/2013
Verizon UML295 Pre Config Router Tip Sheet 12/12/2013
Cradlepoint - Link to Latest Firmware
Creating a Static Route - CP/Peplink/Pepwave 09/08/2014
CradlePoint Family Friendly Tip Sheet 09/09/2014
Applying VZW Static IP in CP/Peplink/Pepwave 09/09/2014
WiFi Profile Manager 8
Cradlepoint (Legacy) PS3/XBOX/Wii Gaming Tip Sheet 09/11/2012
Cradlepoint (Legacy) - Scheduled Reboot 09/05/2012
How to Turn IE Compatibility View On/Off 09/05/2012
iOS Resetting Network Connections 08/30/2012
CradlePoint - NetBSD WDS/WAW with Legacy Routers 06/07/2012
Windows 'Unable to Find a Certificate' error Fix
CradlePoint Warranty
Cradlepoint (Legacy) - How to Change WiFi Channel
Cradlepoint (Legacy) - Modem PRL Update Tip Sheet 09/26/2011
Cradlepoint(Legacy) Backup/Restore/Reset Procedure 09/26/2011
Cradlepoint (Legacy) - Configuring WDS Mode 01/06/2010
Cradlepoint(Legacy) Enabling GPS for Sprint modems 09/26/2011
Check Data Usage via Carrier Software (VZW/Sprint) 09/26/2012
DMZ setup for Firewall Issues 09/05/2014
Gmail Migration Tip Sheet 09/20/2011

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