Introducing the HD2 Dome and SIM Injector!

We are proud to introduce our newest outdoor cellular router: the HD2 Dome! This router provides dual-cellular SpeedFusion SD-WAN with greater mounting versatility than anything we’ve made before. With its integrated screw mount, you can easily install it on rooftops and on top of poles. With the included mounting bracket, you can to nail it to any wall or tie it to the side of any pole.

The HD2 Dome’s ports are just as flexible. It only needs power from a single 802.3af PoE cable, but the single LAN port can also become two when you add the included Ethernet splitter!

SIM Injector: Free the SIM Cards From the Router!

Using the SIM injector, you can add an additional eight SIM cards to your deployment. What’s more, these SIM cards can be located separately from the router.

This means you could mount the HD2 Dome outdoors in a high up place, while comfortably managing your SIM cards from an indoor location or from ground level. In addition, the SIM Injector also works as a PoE switch, powering up the HD2 Dome directly.

Together, the HD2 Dome and SIM Injector can make deployments significantly easier to set up and manage.

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Has the SIM Bank been renamed the SIM Injector?
Will the SIM Injector work for remote devices or is it strictly local network only?

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SimBank is now FusionSim. Sim Injector is for local hard wired extension / injection - like this for the HD2.


Hi Guys, we have an HD2 Dome, in our office, but the firmware is expired . What type of firmware i can use to upgrade it ? I Can use an HD2 firmware ?


@asimula, please use this firmware -

Please open ticket if you still have the problem.



hi TK , thanks

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Hi TK, i try now our HD2 Dome, but now i can not manage the Sim Bank with this firmware .
I just opened a ticket, about this problem .

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Hi Guys, i don’t understand with my HD2 Dome, where insert the local sim .
Can you help me ?

From what I understand, the SIM Injector is required when using it with the HD2 Dome

Hi Alan,

we are all very excited about the Fusion SIM / SIM Injector official announcement and can’t wait to fully test it.

I am wondering if maybe a new firmware was released? The one we are currently using does not allow us to “inject” the SIMs with custom APN and PIN. I hope this will be resolved before first units are deployed.

Hello @TheMissingLink,
The HD2 dome can operate in two ways:

  • You can install 2 x SIMs for each of the internal modems
  • You can use the SIM Injector / FusionSIM with or without internal SIMs

We do not advise opening the MAX HD2 Dome unless it is absolutely necessary, use a SIM Injector in preference on the same physical network as the MAX HD2 Dome…


We deployed the first of these here in Australia, based on our experience we recommend only installing the internal SIMs when you are going to have the SIM Injector/FusionSIM remotely located away on a different physical network. This is the situation when the SIMs will be left in the operations/data centre, your HD2 Dome is going to need an initial connection so to establish the link back into your SIM Injector / FusionSIM.
Happy to Help,
Marcus :slight_smile:


What is the gain on the internal antenna(s) of the HD2 Dome? We have a customer asking.


I managed to access the cellular modem compartment, removing all the screws I found.
If I can use the integrated modems it is not easy to access.

@asimula, look like tech support is following up with you in the ticket. Case will be escalate if necessary.


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Hi @TK_Liew , yes thanks, we wait from the support, for uprade of Sim Inject (first Edition)

Is it possible to configure two HD2 Domes into 4xLTE bonded router?

Helllo @VideoStream,
The HD2 Dome has only two LTE Modems within. You would need to connect two HD2 Domes into another balance router if you want 4 LTE connections.
Happy to help,
Marcus :slight_smile:

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I’m working on a Blog Post on the HD2 Dome and I’m looking for a few technical details. Are there any specs on the built-in antenna, specifically the gain and the reception pattern.

Also, it is listed as LTE but the LTE radios are discontinued, is this an error in the documentation, or is it LTEA, listed as LTE because of certification issues?



Hello @Kachadurian,
The units we have worked with all have had LTEA chip sets.
As to the antenna patterns & gains, that is something the Peplink team will need to help with.
What I can share is the antenna performance has been better than we expected, part of this is we expect due to two reasons;

  1. The connection from the internal antenna to the LTEA modem will be very short with a minimal number of internal connectors.
  2. The metal roof of the vehicles (see the photo of the bus above) helps improve the performance of the antennas.

Happy to Help,
Marcus :slight_smile:

Thanks. Cable loss is so overlooked, an internal 3dBi antenna can perform better than a 10 dBi antenna at the end of a 20 foot cable.