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# RTNode v1.0.50
_Showcase · started by jrl290 on Sun, Aug 2, 2026 1:34 AM_
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## Original post
**jrl290** · Sun, Aug 2, 2026 1:34 AM
A-Major helped a ton and we finally have LoRa repeater functionality running stably: https://jrl290.github.io/RTNode-HeltecV4/
RTNode is meant to be an infrastructure firmware for blanketing an area with LoRa. Heltec V4 happens to have a solar controller in addition to a battery controller, so I want to look into what size solar panel and battery would be needed to power it 24/7
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## Reply 1
**Anonymous** · Sun, Aug 2, 2026 1:10 PM
What is lora repeater functionality exactly? :) also, the flasher mentions firefox not working, but in fact it is supported since the latest version or so.
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## Reply 2
**jrl290** · Sun, Aug 2, 2026 1:33 PM
**Anonymous** wrote:
> What is lora repeater functionality exactly?
Meaning that the LoRa radio will receive a packet and then rebroadcast that packet on the LoRa radio. For a topology like A -> B -> C where both A and C can reach B but are out of range of each other
This is a mechanism uniquely required by this kind of broadcast interface. Most Reticulum interfaces are 1 to 1 connections, so there's no reason to retransmit a packet back to the sender on that interface
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## Reply 3
**Anonymous** · Sun, Aug 2, 2026 5:38 PM
Wouldnt a normal RNode also work for communication in that scenario? I dont fully understand I think 😅
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## Reply 4
**Anonymous** · Sun, Aug 2, 2026 5:54 PM
Ah, asynchronous? One sided connections that have to flow in one direction only?
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## Reply 5
**jrl290** · Sun, Aug 2, 2026 10:11 PM
Normal RNode is just an adapter for the Reticulum instance that it's attached to. This is a completely stand alone transport without any hardware other than the ESP32/LoRa device.
The ESP32 has extremely limited compute and memory resources, so fitting the whole transport in required some sacrifices
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## Reply 6
**wazmac** · Wed, Aug 5, 2026 12:07 PM
@jrl290 does the new version support gateway functionality with just one interface? For sparse rnodes with limited resources, it would be good if they could request paths to remote nodes, rather than just relying on the local path table already having a path record.
It seems to me that this is a shortcoming which constrains wider deployment.
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## Reply 7
**wazmac** · Wed, Aug 5, 2026 1:19 PM
I should have read the release notes first :)
This is fantastic if it can act autonomously on RF only but inherit the capabilities normally only had on multi-interface transport nodes.
Well done. I will be deploying one next when my Heltec v4.3 sans display units arrive.
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