Packet #2396271 Success

NODEINFO_APP packet from Sauron๐Ÿ—ผ๐ŸŒž (SAU) to !ffffffff

11
Total Receptions
11
Unique Gateways
0
Hop Count
76
Payload Bytes
Packet Information
Database ID: 2396271
Mesh Packet ID: 0x8c1f020d
Used for correlation across gateways
Timestamp: 2025-06-30 17:44:43 UTC
From Node: Sauron๐Ÿ—ผ๐ŸŒž (SAU)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: test๐Ÿ—ผ๐ŸŒ๐ŸŒž (test)
Channel: LongFast
RSSI: -125 dBm
SNR: -15.0 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Payload Data
Protocol: NODEINFO_APP
Size: 76 bytes
Decoded: Yes
Decoded Data:
Long Name:Sauron๐Ÿ—ผ๐ŸŒž
Short Name:SAU
Node ID:!29171cd5
MAC Address:wM4pFxzV
Hardware:HELTEC_MESH_NODE_T114
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:76 bytes
Gateway:!b03bea60
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Gateway node ID tracked
+ 1 more...
Exposure Risks:
โš  Visible to all nodes on channel
โš  Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03bea60
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (76 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 689380565
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 76 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -125.0 dBm
Signal strength at gateway
int32
rx_snr -15.00 dB
Signal quality at gateway
float
rx_time 1751305481
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 213
Relay node ID
uint32
tx_after Not set uint32
timestamp 1751305483.1196938
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Gateway node ID tracked
  • โœ“ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • โš  Visible to all nodes on channel
  • โš  Default channel - no encryption
  • โš  Packet visible to MQTT subscribers
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b03bea60
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -125.0 dBm
SNR: -15.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:76 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!29171cd5", "long_name": "Sauron๐Ÿ—ผ๐ŸŒž", "short_name": "SAU", "macaddr": "wM4pFxzV", "hw_model": "HELTEC_MESH_NODE_T114" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03bea60", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 689380565, "to": 4294967295, "id": 2350842381, "rx_time": 1751305481, "rx_snr": -15.0, "rx_rssi": -125, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 213, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213239313731636435120e536175726f6ef09f97bcf09f8c9e1a035341552206c0ce29171cd5284542207b42864f04acb9b2ad8d75280b9f46b35ca6541c907c61f300cf6f4c2af08d0f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!29171cd5", "long_name": "Sauron๐Ÿ—ผ๐ŸŒž", "short_name": "SAU", "macaddr": "wM4pFxzV", "hw_model": "HELTEC_MESH_NODE_T114", "public_key": "e0KGTwSsubKtjXUoC59Gs1ymVByQfGHzAM9vTCrwjQ8=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (76 bytes)
0a09213239313731636435120e536175726f6ef09f97bcf09f8c9e1a035341552206c0ce29171cd5284542207b42864f04acb9b2ad8d75280b9f46b35ca6541c907c61f300cf6f4c2af08d0f
Hex Analysis:
Size:76 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
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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
test๐Ÿ—ผ๐ŸŒ๐ŸŒž (test) Primary 0.000s
Reference
-125.0 dBm -15.00 dB 0 LongFast 2025-06-30 17:44:43 Current
Wake Up, Neo...๐Ÿ“ก (NEO) -0.332s
Before
-94.0 dBm 1.25 dB 0 LongFast 2025-06-30 17:44:42 View
Mec Rocket Meco (MRM) -0.322s
Before
-121.0 dBm -11.50 dB 0 LongFast 2025-06-30 17:44:42 View
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -0.314s
Before
-100.0 dBm -1.50 dB 0 LongFast 2025-06-30 17:44:42 View
Meshtastic c498๐Ÿ“ก๐ŸŒ (C498) +0.006s
After
-126.0 dBm -18.75 dB 0 LongFast 2025-06-30 17:44:43 View
Venturada base๐Ÿ—ผ๐ŸŒ (Vb) +0.017s
After
-101.0 dBm 3.50 dB 0 LongFast 2025-06-30 17:44:43 View
Perseo ๐Ÿ—ผ (nvm1) +0.923s
After
-96.0 dBm 0.25 dB 1 LongFast 2025-06-30 17:44:44 View
[TLGO] Base ๐Ÿ“ก๐ŸŒ (TLG0) +1.098s
After
-114.0 dBm -11.25 dB 1 LongFast 2025-06-30 17:44:44 View
SkG@Home ๐Ÿ—ผ๐ŸŒ (SkGH) +1.111s
After
-118.0 dBm -15.25 dB 1 LongFast 2025-06-30 17:44:44 View
GRN1-Base๐Ÿ“ก๐ŸŒ (GRN1) +3.877s
After
-103.0 dBm 3.50 dB 1 LongFast 2025-06-30 17:44:46 View
srs-h3 ๐Ÿ“ก๐ŸŒ (srs0) +6.725s
After
-100.0 dBm 3.50 dB 3 LongFast 2025-06-30 17:44:49 View
11

Total Receptions

11

Unique Gateways