Packet #2515552 Success

NODEINFO_APP packet from Meshtastic 678c (678c) to EA7DYY-R 🗼🛰️ (Yago)

7
Total Receptions
2
Unique Gateways
1
Hop Count
80
Payload Bytes
Packet Information
Database ID: 2515552
Mesh Packet ID: 0x980202d2
Used for correlation across gateways
Timestamp: 2025-07-01 20:44:23 UTC
From Node: Meshtastic 678c (678c)
To Node: EA7DYY-R 🗼🛰️ (Yago)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 2224 (2224)
Channel: Iberia
RSSI: -97 dBm
SNR: 2.75 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 678c
Short Name:678c
Node ID:!b21a678c
MAC Address:rGeyGmeM
Hardware:TLORA_V2_1_1P6
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:!33692224
Channel:Iberia
Payload Type:NODEINFO_APP
Hop Count:1 / 7
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 !33692224
Node ID format
channel_id Iberia
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2988074892
Source node ID 		uint32
to 2956752048
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 6
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -97.0 dBm
Signal strength at gateway 		int32
rx_snr 2.75 dB
Signal quality at gateway 		float
rx_time 1751400001
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 72
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1751402663.5417528
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: Iberia
  • ✓ 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: !33692224
Signal Metrics: RSSI: -97.0 dBm
SNR: 2.75 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": "!b21a678c", "long_name": "Meshtastic 678c", "short_name": "678c", "macaddr": "rGeyGmeM", "hw_model": "TLORA_V2_1_1P6" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!33692224", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2988074892, "to": 2956752048, "id": 2550268626, "rx_time": 1751400001, "rx_snr": 2.75, "rx_rssi": -97, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 72, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216232316136373863120f4d65736874617374696320363738631a04363738632206ac67b21a678c28034220a3b1a8479547312955f0800ea8dd6425a40d0859a127635ff90fad926d79b86f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!b21a678c", "long_name": "Meshtastic 678c", "short_name": "678c", "macaddr": "rGeyGmeM", "hw_model": "TLORA_V2_1_1P6", "public_key": "o7GoR5VHMSlV8IAOqN1kJaQNCFmhJ2Nf+Q+tkm15uG8=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216232316136373863120f4d65736874617374696320363738631a04363738632206ac67b21a678c28034220a3b1a8479547312955f0800ea8dd6425a40d0859a127635ff90fad926d79b86f4800
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 Channel Timestamp Actions
Meshtastic 2224 (2224) Primary 0.000s
Reference 		-97.0 dBm 2.75 dB 1 Iberia 2025-07-01 20:44:23 Current
Meshtastic 678c (678c) -2668.765s
Before 		Unknown Unknown 0 Iberia 2025-07-01 19:59:54 View
Meshtastic 678c (678c) -2668.718s
Before 		Unknown Unknown 0 Iberia 2025-07-01 19:59:54 View
Meshtastic 2224 (2224) -51.062s
Before 		-97.0 dBm 2.75 dB 1 Iberia 2025-07-01 20:43:32 View
Meshtastic 2224 (2224) -51.012s
Before 		-97.0 dBm 2.75 dB 1 Iberia 2025-07-01 20:43:32 View
Meshtastic 2224 (2224) -21.024s
Before 		-97.0 dBm 2.75 dB 1 Iberia 2025-07-01 20:44:02 View
Meshtastic 2224 (2224) +27.029s
After 		-97.0 dBm 2.75 dB 1 Iberia 2025-07-01 20:44:50 View
7

Total Receptions

2

Unique Gateways