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Tempestini Solutions website Training - Corsi

TMP-Box-X4 Integrated Cellular Router


The patented TMP-Box-X4 Integrated cellular router provides broadband Internet connectivity over a 3G cellular network.
Instantly deploy broadband connectivity to a remote location or to a moving vehicle.
The TMP-Box line of cellular routers has been proven to maintain high-bandwidth at speeds over 100 mph. Integrated models have the cellular modem secured inside the sealed case to prevent anyone from tampering with the modem.

About Multiple Connections:
The TMP-Box-X4 accepts two cellular modems for additional bandwidth and/or an additional coverage area.
These connections can be used as a failover, load balancing, or bonded together.

Standard Edition

  • 4x PCMCIA Slot for Cellular Modem -- EVDO Rev A and/or HSPA
  • 4x External Cellular FME Antenna Connectors
  • 2x 10/100 Ethernet
  • 802.11g/b WiFi w/ External RP-TNC Antenna
  • Connector
  • External GPS Ready
  • Load Balancing
  • Bonding Ready (requires AirBase Bonding Controller)
  • Connection Persistence
  • Dead-Link Detection
  • VPN
  • Passthrough
  • DynDNS
  • Web Configuration Interface
  • Remote Configuration Optional
  • Temp 0 - 60 C
  • Extended temperatures available

Transit Edition

  • All Features of Standard Edition
  • Configurable Splash Screen w/ Terms Acceptance Button
  • Content Filtering
  • Proportional Bandwidth QOS

Video Edition

  • All Features of Standard Edition
  • UDP Load Balancing -- Splits a single UDP stream over multiple uplinks

Multiple Connection Solutions

Load Balancing
The TMP-Box provides a WiFi hotspot to the train using multiple 3G/4G cellular connections as the back-end internet connection.
All traffic is load balanced over the multiple cellular connections.


Load Balancing works by balancing Internet traffic over multiple 3G/4G cellular connections. Load balancing can provide additional bandwidth or backup redundancy.

Session Load Balancing assigns each session (TCP or UDP) to one of the cellular connections. All active connections are used simultaneously, and each has its own IP address. If one of the connections drops, all traffic is sent over the remaining connections. When the connection returns, traffic will be put back on that connection.

Adaptive UDP Load Balancing does not treat an outgoing UDP stream as a single session. Instead, the UDP stream is split dynamically over all available cellular uplinks. This is primarily used to break a UDP or RTP video stream over multiple uplinks for more bandwidth and should be used in conjunction with Video Bonding (see below) or with a decoder capable of receiving UDP streams from multiple sources.

Failover means all traffic will be sent over one connection. If that connection goes down, traffic is routed over the second connection. When the primary connection is reestablished, the traffic will then be routed back on the primary connection only.


1 – The TMP-Box provides a WiFi hotspot to the train using a multiple 3G/4G cellular connections, Wi-Fi as a WAN, and other wireless network as the back-end internet connection. The data is proportionally split over all connections in both directions.
2 – Data travels over the carriers’ backhoul.
3 – Multiple connections are bonded together from the TMPBox in the field to the TMPBase Bonding Controller.
4 – Outgoing Internet traffic that begins at the TMP-Base Bonding Controller

Cellular Bonding
combines multiple 3G/4G cellular connections, and other Internet connections, into one single virtual connection. The virtual network interface looks like a single connection with a single IP address and default gateway.  Cellular Bonding is used to increase bandwidth and/or offer redundancy, and it requires an TMP-Base Bonding Controller in a fixed location on the Internet.

Stream Balanced Bonding
is used to maintain connection persistence for a moving Internet connection. VPN, HTTP, HTTPS, and other sessions are kept alive even when moving across multiple cellular carriers. This is recommended for mass transit systems using multiple carriers.
Full Throughput Bonding is used to take advantage of all the available bandwidth of all underlying connections and aggregate them together for a single stream. Rather than keeping them on a single connection, individual streams are split up and sent across multiple connections and are reassembled at the opposite end, before being forwarded to their final destination.
Video Bonding is used to split a single IP camera feed across multiple uplinks and recombine the output into one single IP video stream.
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