Packet #29656744 Success

NODEINFO_APP packet from Meshtastic 1f1c (1f1c) to Meshtastic f766 (f766)

6
Total Receptions
6
Unique Gateways
3
Hop Count
80
Payload Bytes
Packet Information
Database ID: 29656744
Mesh Packet ID: 0x1a9314ff
Used for correlation across gateways
Timestamp: 2025-12-23 20:06:50 UTC
From Node: Meshtastic 1f1c (1f1c)
To Node: Meshtastic f766 (f766)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: tizon (Sylv)
Channel: MediumFast
RSSI: -111 dBm
SNR: -5.75 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: ac 0001
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 1f1c
Short Name:1f1c
Node ID:!69831f1c
MAC Address:kHBpgx8c
Hardware:HELTEC_V4
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:!9e7809e8
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e7809e8
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 1770200860
Source node ID 		uint32
to 3146577766
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -111.0 dBm
Signal strength at gateway 		int32
rx_snr -5.75 dB
Signal quality at gateway 		float
rx_time 1766520408
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 172
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766520410.2319193
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

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

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e7809e8
Signal Metrics: RSSI: -111.0 dBm
SNR: -5.75 dB
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": "!69831f1c", "long_name": "Meshtastic 1f1c", "short_name": "1f1c", "macaddr": "kHBpgx8c", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7809e8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770200860, "to": 3146577766, "id": 445846783, "rx_time": 1766520408, "rx_snr": -5.75, "rx_rssi": -111, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 172, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213639383331663163120f4d65736874617374696320316631631a04316631632206907069831f1c286e4220b4b3e2b0c5b6f5de309a9f391aba4b7fb7a6243b3f5a07d9a4c5084544712a534800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!69831f1c", "long_name": "Meshtastic 1f1c", "short_name": "1f1c", "macaddr": "kHBpgx8c", "hw_model": "HELTEC_V4", "public_key": "tLPisMW29d4wmp85GrpLf7emJDs/WgfZpMUIRURxKlM=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213639383331663163120f4d65736874617374696320316631631a04316631632206907069831f1c286e4220b4b3e2b0c5b6f5de309a9f391aba4b7fb7a6243b3f5a07d9a4c5084544712a534800
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
tizon (Sylv) Primary 0.000s
Reference 		-111.0 dBm -5.75 dB 3 ac 0001 MediumFast 2025-12-23 20:06:50 UTC Current
Karabanchel_Baldur (KarB) -7.584s
Before 		-103.0 dBm -9.75 dB 0 1c 1f1c , 🐷 MediumFast 2025-12-23 20:06:42 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -6.183s
Before 		-103.0 dBm -13.00 dB 1 88 KarB MediumFast 2025-12-23 20:06:44 UTC View
🤖 Nicolas Cage 🌐 (Cage) -5.723s
Before 		-120.0 dBm -11.75 dB 1 88 KarB MediumFast 2025-12-23 20:06:44 UTC View
0001 (49ac) +70.864s
After 		-80.0 dBm -10.25 dB 2 d1 👾 MediumFast 2025-12-23 20:08:01 UTC View
Skynet (Sky) +453.641s
After 		-100.0 dBm -5.75 dB 1 88 KarB , 2b88 MediumFast 2025-12-23 20:14:23 UTC View
6

Total Receptions

6

Unique Gateways