Support Bulletin #10 Return to Bulletin Index

This issue focuses on firmware.  Although most of us would like to "set and forget" our devices, cellular technology is constantly evolving. This requires periodic updates to the software embedded in cellular devices such as modems and routers.

Proxicast LAN-Celll 3LAN-Cell 3 Firmware Version 5.1.15
The latest LAN-Cell 3 firmware adds support for several new high-speed HSPA+ and LTE modems including the Sierra Wireless 330U (Bell & Rogers), the Novatel Wireless U679 (Rogers), Huawei K4511 (Vodafone) and the ZTE MF668A (multiple carriers). The firmware also enhances the LAN-Cell's modem connection reliability and addresses several other configuration issues. Proxicast recommends that all customers upgrade their LAN-Cell 3 routers to version 5.1.15. Download LAN-Cell 3 firmware version 5.1.15.

Proxicast PocketPORTPocketPORT Firmware Version 1.6.23
Recent updates to the PocketPORT firmware have included support for Novatel DirectIP modems such as the U679 and 551L. We've also added support for "restricted access carrier networks" such as private cloud solutions for enterprises and law enforcement agencies.  Customers currently running firmware version 1.5.2 or later can download the latest PocketPORT firmware.  Users running earlier firmware versions should contact Proxicast Support for information on upgrading their PocketPORTs.

ModemsCellular Modem Firmware
In addition to firmware on the LAN-Cell and PocketPORT, cellular modems also contain embedded firmware that should be periodically updated. Using the most up-to-date firmware is especially important for the newest HSPA+ and LTE modems.  In most cases, this is accomplished by placing the modem into a PC and running the software that carrier or modem manufacturer provided. There is usually a "check for updates" feature that will download the latest firmware to the modem.  Here are links for modem firmware updates for Verizon Wireless, AT&T and Sprint modems.

Verizon Wireless 4G LTE

We receive many inquiries regarding Verizon Wireless' 4G/LTE service.  Here are the facts you need to know:

  • 4G/LTE is based on GSM technology which is a totally separate network from from Verizon Wireless' 3G network which is based on CDMA technology.

  • LTE service can be provided in one or more frequency bands including 700/800, 1700/1900, 800, 900, 1800, 2600 MHz.  These bands are not used by most other cellular technologies, meaning that modems, antennas and amplifiers must be designed specifically for LTE service.  Most "3G-only" equipment cannot be used for LTE.

  • Verizon Wireless' LTE network is currently deployed in Band 17 of the 700 MHz frequency allotment for LTE.  They are the only major cellular carrier using this band for LTE.  Therefore, Verizon Wireless' LTE devices are incompatible with most other LTE service providers' networks (such as AT&T, Sprint, T-Mobile USA, Rogers, Bell Mobility, etc.).  It also means that antennas and amplifiers must be designed specifically for Verizon Wireless' 4G/LTE service.  Verizon Wireless has announced plans to use other LTE frequency bands in the future.

  • Verizon Wireless currently sells 2 USB modems which support both 3G/CDMA and 4G/LTE technologies (Pantech UML290 and Novatel USB551L).  Although these modems can operate on either the 3G or 4G network, they do not dynamically "shift" between the networks once a connection has been established.  For example, if a 4G connection is initially made and then the 4G signal is interrupted, the connection must be terminated and "re-dialed" to the 3G network.

  • The dual-network nature of these modems presents a challenge for mobile and "always connected" applications.  Proxicast recommends that customers "lock" their Verizon Wireless modems into either 3G-only or 4G-only mode.  See our knowldegebase articles:

    Locking Verizon / Pantech UML290 into 3G or 4G Mode

    Locking Verizon / Novatel USB551L into 3G or 4G Mode

  • By default, all Verizon Wireless 4G/LTE devices are assigned a "private" WAN IP address that does not permit remote access to the devices attached to the modem.  This prevents certain applications such as remote monitoring and control from operating on the default 4G connection. 

  • The assignment of private IP addresses is controlled by the modem device, not the network you are connecting to.  Even when connecting to the 3G/CDMA network, a "4G" modem will be assigned a private IP address whereas a "3G' modem will be assigned a dynamic public IP address. There are 2 methods of overcoming Verizon Wireless' 4G private IP remote access restrictions:

    1. Request a Static IP address from Verizon Wireless.  This requires a one-time setup fee per billing account of $500.

    2. Implement a virtual private network initiated by the remote device (LAN-Cell or PocketPORT) to a central VPN server site.

New TechNotes

Migrating from the LAN-Cell 2 to the LAN-Cell 3
A "cheat sheet' for LAN-Cell 2 users to find the corresponding configuration settings in the LAN-Cell 3's revised interface.

Accessing Remote Devices via the LAN-Cell 3
The LAN-Cell 3 version of one of our most popular TechNotes - how to set up the LAN-Cell to remotely access devices such as cameras, DVRs, PLCs, or other devices via the Internet. 

LAN-Cell 3 to Cisco ASA5500 Series VPN Example
A detailed example of configuring the LAN-Cell 3 to establish as site-to-site VPN connection to the latest Cisco ASA 5500 series devices.

  Download all of Proxicast's TechNotes from our Support Web Site:

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