Packet #39443635 Success

NODEINFO_APP packet from IRN2 to !ffffffff

46
Total Receptions
2
Unique Gateways
2
Hop Count
69
Payload Bytes
Packet Information
Database ID: 39443635
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: MediumFast
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:MediumFast
Payload Type:NODEINFO_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 MediumFast
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 1778907888.5704644
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: MediumFast
  • ✓ 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": "MediumFast", "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
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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 MediumFast 2026-05-16 05:04:48 UTC Current
Mechanicus Alpha (M1) -0.370s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.339s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.319s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.298s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.274s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.248s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.226s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.203s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.181s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.161s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.139s
Before
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.116s
Before
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.092s
Before
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.069s
Before
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.046s
Before
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) -0.023s
Before
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.024s
After
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.048s
After
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.074s
After
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.107s
After
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.141s
After
-119.0 dBm -10.25 dB 2 ce MediumFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.172s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.197s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.220s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.250s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.274s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.295s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.320s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.344s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.371s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.394s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.416s
After
-119.0 dBm -10.25 dB 2 ce ShortFast 2026-05-16 05:04:48 UTC View
Mechanicus Alpha (M1) +0.437s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.458s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.478s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.503s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.528s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.549s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.572s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.594s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.621s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.641s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.665s
After
-119.0 dBm -10.25 dB 2 ce ShortTurbo 2026-05-16 05:04:49 UTC View
Mechanicus Alpha (M1) +0.690s
After
-119.0 dBm -10.25 dB 2 ce LongFast 2026-05-16 05:04:49 UTC View
lidman2 (lid2) +0.713s
After
-128.0 dBm -19.25 dB 2 ce LongFast 2026-05-16 05:04:49 UTC View
46

Total Receptions

2

Unique Gateways