Packet #8937086 Success

NODEINFO_APP packet from Meshtastic 2834 (2834) to Andor_base1 (ndr1)

18
Total Receptions
18
Unique Gateways
3
Hop Count
82
Payload Bytes
Packet Information
Database ID: 8937086
Mesh Packet ID: 0x596a4d88
Used for correlation across gateways
Timestamp: 2025-09-02 22:30:26 UTC
From Node: Meshtastic 2834 (2834)
To Node: Andor_base1 (ndr1)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: MeshPrepper (MP)
Channel: MediumSlow
RSSI: -122 dBm
SNR: -13.0 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 82 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 2834
Short Name:2834
Node ID:!a0cc2834
MAC Address:MO2gzCg0
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:82 bytes
Gateway:!db2b1ff4
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 4
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 !db2b1ff4
Node ID format
channel_id MediumSlow
packet MeshPacket (82 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2697734196
Source node ID 		uint32
to 2883444196
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 82 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -122.0 dBm
Signal strength at gateway 		int32
rx_snr -13.00 dB
Signal quality at gateway 		float
rx_time 1756852225
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 187
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1756852226.2196672
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: MediumSlow
  • ✓ 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: !db2b1ff4
Signal Metrics: RSSI: -122.0 dBm
SNR: -13.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:82 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!a0cc2834", "long_name": "Meshtastic 2834", "short_name": "2834", "macaddr": "MO2gzCg0", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db2b1ff4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697734196, "to": 2883444196, "id": 1500138888, "rx_time": 1756852225, "rx_snr": -13.0, "rx_rssi": -122, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 187, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216130636332383334120f4d65736874617374696320323833341a0432383334220630eda0cc2834282b380142205754b38930200376b17e5ffb1e06f553f0efbe4e67722cc29ca8e021d8dc8d304800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!a0cc2834", "long_name": "Meshtastic 2834", "short_name": "2834", "macaddr": "MO2gzCg0", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "V1SziTAgA3axfl/7Hgb1U/Dvvk5ncizCnKjgIdjcjTA=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (82 bytes)
0a09216130636332383334120f4d65736874617374696320323833341a0432383334220630eda0cc2834282b380142205754b38930200376b17e5ffb1e06f553f0efbe4e67722cc29ca8e021d8dc8d304800
Hex Analysis:
Size:82 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
MeshPrepper (MP) Primary 0.000s
Reference 		-122.0 dBm -13.00 dB 3 MediumSlow 2025-09-02 22:30:26 Current
Tlgo 📡🌐🔋🔌 (TLG0) -11.641s
Before 		-111.0 dBm -3.00 dB 2 MediumSlow 2025-09-02 22:30:14 View
Venturada2🗼🌐☀️ (Vb2) -9.936s
Before 		-98.0 dBm -3.00 dB 3 MediumSlow 2025-09-02 22:30:16 View
SkG@Somewhere 🤨 (SkGs) -9.514s
Before 		-118.0 dBm -14.25 dB 2 MediumSlow 2025-09-02 22:30:16 View
Mec Rocket Meco (MRM) -9.203s
Before 		-112.0 dBm -9.25 dB 2 MediumSlow 2025-09-02 22:30:17 View
Meshtastic c498📡🌐 (C498) -9.180s
Before 		-118.0 dBm -17.25 dB 3 MediumSlow 2025-09-02 22:30:17 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -8.928s
Before 		-107.0 dBm 3.25 dB 2 MediumSlow 2025-09-02 22:30:17 View
GRN1-Base🗼🌐 (GRN1) -8.880s
Before 		-97.0 dBm 6.25 dB 2 MediumSlow 2025-09-02 22:30:17 View
Glitchs Azuqueca 📡 (GltA) -8.868s
Before 		-128.0 dBm -16.50 dB 2 MediumSlow 2025-09-02 22:30:17 View
Suop 📡 🌐 (SUOP) -8.828s
Before 		-114.0 dBm -5.25 dB 3 MediumSlow 2025-09-02 22:30:17 View
🌐Charly Torre 2🛰 (C185) -8.143s
Before 		-107.0 dBm -2.00 dB 2 MediumSlow 2025-09-02 22:30:18 View
Meshtastic fbec (fbec) -8.057s
Before 		-122.0 dBm -3.75 dB 2 MediumSlow 2025-09-02 22:30:18 View
Villalbilla02 (VBV2) -6.964s
Before 		-111.0 dBm -1.75 dB 2 MediumSlow 2025-09-02 22:30:19 View
Vaguada Portable (Vgda) -6.733s
Before 		-97.0 dBm 2.00 dB 3 MediumSlow 2025-09-02 22:30:19 View
Perseo 📡 🌐 (nvm1) -5.879s
Before 		-100.0 dBm -8.50 dB 3 MediumSlow 2025-09-02 22:30:20 View
Zion 🗼 (Zion) -5.569s
Before 		-109.0 dBm -8.00 dB 3 MediumSlow 2025-09-02 22:30:20 View
🌐Charly Torre 2🛰 (C182) -3.478s
Before 		-21.0 dBm 8.75 dB 3 MediumSlow 2025-09-02 22:30:22 View
Malasaña Solar ☀️ (🌇) -1.762s
Before 		-76.0 dBm 8.00 dB 4 MediumSlow 2025-09-02 22:30:24 View
18

Total Receptions

18

Unique Gateways