Packet #17724093 Success

NODEINFO_APP packet from Meshtastic b018 (b018) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
80
Payload Bytes
Packet Information
Database ID: 17724093
Mesh Packet ID: 0x4c5c83e7
Used for correlation across gateways
Timestamp: 2026-03-27 05:52:39 UTC
From Node: Meshtastic b018 (b018)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic b018 (b018)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 18 b018
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic b018
Short Name:b018
Node ID:!db51b018
MAC Address:EFHbUbAY
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:80 bytes
Gateway:!db51b018
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db51b018
Node ID format
channel_id MediumFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3679563800
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1774590758
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 24
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774590759.919706
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !db51b018
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!db51b018", "long_name": "Meshtastic b018", "short_name": "b018", "macaddr": "EFHbUbAY", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db51b018", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679563800, "to": 4294967295, "id": 1281131495, "rx_time": 1774590758, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 24, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462353162303138120f4d65736874617374696320623031381a046230313822061051db51b018282b422061ca985c6e0d0bdcf0344a19850653216ecc93141398e00ac4a55b5f0f520a284800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db51b018", "long_name": "Meshtastic b018", "short_name": "b018", "macaddr": "EFHbUbAY", "hw_model": "HELTEC_V3", "public_key": "YcqYXG4NC9zwNEoZhQZTIW7MkxQTmOAKxKVbXw9SCig=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216462353162303138120f4d65736874617374696320623031381a046230313822061051db51b018282b422061ca985c6e0d0bdcf0344a19850653216ecc93141398e00ac4a55b5f0f520a284800
Hex Analysis:
Size:80 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
Meshtastic b018 (b018) Primary 0.000s
Reference 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC Current
Meshtastic b018 (b018) -0.310s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.283s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.251s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.225s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.200s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.177s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.154s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.132s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.111s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.091s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.070s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.048s
Before 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.024s
Before 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) +0.024s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) +0.046s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) +0.068s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) +0.089s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.109s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.132s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.156s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.180s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.203s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.226s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.245s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.267s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.287s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.309s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.333s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.356s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.380s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.403s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.425s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.446s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.467s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.488s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.511s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.542s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.566s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.603s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.625s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.649s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.677s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.709s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.736s
After 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:40 UTC View
45

Total Receptions

1

Unique Gateways