Packet #29658092 Success

NODEINFO_APP packet from Meshtastic 1f1c (1f1c) to MT14 Sierra (mtbc)

6
Total Receptions
6
Unique Gateways
1
Hop Count
80
Payload Bytes
Packet Information
Database ID: 29658092
Mesh Packet ID: 0xeeb38d09
Used for correlation across gateways
Timestamp: 2025-12-23 20:15:16 UTC
From Node: Meshtastic 1f1c (1f1c)
To Node: MT14 Sierra (mtbc)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Skynet (Sky)
Channel: MediumFast
RSSI: -99 dBm
SNR: -5.75 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: 88 KarB , 2b88
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:!7774870f
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:1 / 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 (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !7774870f
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 3121379584
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -99.0 dBm
Signal strength at gateway 		int32
rx_snr -5.75 dB
Signal quality at gateway 		float
rx_time 1766520910
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 136
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766520916.0883894
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 (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !7774870f
Signal Metrics: RSSI: -99.0 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": "!7774870f", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770200860, "to": 3121379584, "id": 4004744457, "rx_time": 1766520910, "rx_snr": -5.75, "rx_rssi": -99, "hop_limit": 2, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 136, "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
Skynet (Sky) Primary 0.000s
Reference 		-99.0 dBm -5.75 dB 1 88 KarB , 2b88 MediumFast 2025-12-23 20:15:16 UTC Current
🤖 Nicolas Cage 🌐 (Cage) -2.552s
Before 		-120.0 dBm -11.75 dB 1 88 KarB MediumFast 2025-12-23 20:15:13 UTC View
Karabanchel_Baldur (KarB) -2.317s
Before 		-105.0 dBm -6.50 dB 0 1c 1f1c , 🐷 MediumFast 2025-12-23 20:15:13 UTC View
Venturada2 🗼🌞 (Vb2) +2.961s
After 		-88.0 dBm 7.75 dB 3 61 TO1 MediumFast 2025-12-23 20:15:19 UTC View
tizon (Sylv) +7.146s
After 		-119.0 dBm -10.50 dB 2 2d SkyB MediumFast 2025-12-23 20:15:23 UTC View
Meshtastic b2b4📡🌐 (b2b4) +7.595s
After 		-112.0 dBm -11.25 dB 2 2d SkyB MediumFast 2025-12-23 20:15:23 UTC View
6

Total Receptions

6

Unique Gateways