Packet #39443644 Success

NODEINFO_APP packet from IRN2 to !ffffffff

46
Total Receptions
2
Unique Gateways
2
Hop Count
69
Payload Bytes
Packet Information
Database ID: 39443644
Mesh Packet ID: 0x639df5c9
Used for correlation across gateways
Timestamp: 2026-05-16 05:04:48 UTC
From Node: IRN2 (cef8)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Alpha (M1)
Channel: ShortFast
RSSI: -119 dBm
SNR: -10.25 dBm
Hop Info: 2/7 hops
Start: 7, Limit: 5
Relay Node: ce
Last byte of the last hop that relayed this packet
Payload Data
Protocol: NODEINFO_APP
Size: 69 bytes
Decoded: Yes
Decoded Data:
Long Name:IRN2
Short Name:IRN2
Node ID:!0407cef8
MAC Address:rKcEB874
Hardware:HELTEC_V3
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:69 bytes
Gateway:!433e868c
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433e868c
Node ID format
channel_id ShortFast
packet MeshPacket (69 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 67620600
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 69 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -119.0 dBm
Signal strength at gateway 		int32
rx_snr -10.25 dB
Signal quality at gateway 		float
rx_time 1778907886
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 206
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1778907888.8204558
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433e868c
Signal Metrics: RSSI: -119.0 dBm
SNR: -10.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:69 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!0407cef8", "long_name": "IRN2", "short_name": "IRN2", "macaddr": "rKcEB874", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 67620600, "to": 4294967295, "id": 1671296457, "rx_time": 1778907886, "rx_snr": -10.25, "rx_rssi": -119, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 206, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213034303763656638120449524e321a0449524e322206aca70407cef8282b422019a8354c7ad301985ca0e4e05f95098064a99ba6e84c11d444af8eca6ee8b7104800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!0407cef8", "long_name": "IRN2", "short_name": "IRN2", "macaddr": "rKcEB874", "hw_model": "HELTEC_V3", "public_key": "Gag1THrTAZhcoOTgX5UJgGSpm6boTBHURK+Oym7otxA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (69 bytes)
0a09213034303763656638120449524e321a0449524e322206aca70407cef8282b422019a8354c7ad301985ca0e4e05f95098064a99ba6e84c11d444af8eca6ee8b7104800
Hex Analysis:
Size:69 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
Mechanicus Alpha (M1) Primary 0.000s
Reference 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC Current
Mechanicus Alpha (M1) -0.620s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.589s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.569s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.548s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.524s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.498s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.476s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.453s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.431s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.411s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.389s
Before 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.366s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.342s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.319s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.296s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.273s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.250s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.226s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.202s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.176s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.143s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.109s
Before 		-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.078s
Before 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.053s
Before 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.030s
Before 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.024s
After 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.045s
After 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.070s
After 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.094s
After 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.121s
After 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.144s
After 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.166s
After 		-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.187s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.208s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.228s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.253s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.278s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.299s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.322s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.344s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.371s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.391s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.415s
After 		-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.440s
After 		-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:49 UTC View
lidman2 (lid2) +0.463s
After 		-128.0 dBm -19.25 dB 2 ce LongFast 2026-05-16 05:04:49 UTC View
46

Total Receptions

2

Unique Gateways