Packet #10758392 Success

NODEINFO_APP packet from Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž (SNM) to Valdemoro_1614 (1614)

17
Total Receptions
17
Unique Gateways
3
Hop Count
98
Payload Bytes
Packet Information
Database ID: 10758392
Mesh Packet ID: 0xed308964
Used for correlation across gateways
Timestamp: 2025-09-15 19:32:09 UTC
From Node: Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž (SNM)
To Node: Valdemoro_1614 (1614)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic b0e4 (b0e4)
Channel: MediumSlow
RSSI: -128 dBm
SNR: -16.5 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 98 bytes
Decoded: Yes
Decoded Data:
Long Name:Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž
Short Name:SNM
Node ID:!43562884
MAC Address:SMpDViiE
Hardware:HELTEC_WSL_V3
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:98 bytes
Gateway:!9ea1b0e4
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Targeted to specific node
+ 2 more...
Exposure Risks:
โš  Packet visible to MQTT subscribers
โš  Multi-hop path visible (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9ea1b0e4
Node ID format
channel_id MediumSlow
packet MeshPacket (98 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1129719940
Source node ID
uint32
to 3677296148
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 98 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 -128.0 dBm
Signal strength at gateway
int32
rx_snr -16.50 dB
Signal quality at gateway
float
rx_time 1757964728
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 48
Relay node ID
uint32
tx_after Not set uint32
timestamp 1757964729.5480297
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Targeted to specific node
  • โœ“ Custom channel: MediumSlow
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (3 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9ea1b0e4
Signal Metrics: RSSI: -128.0 dBm
SNR: -16.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:98 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!43562884", "long_name": "Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž", "short_name": "SNM", "macaddr": "SMpDViiE", "hw_model": "HELTEC_WSL_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ea1b0e4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129719940, "to": 3677296148, "id": 3979381092, "rx_time": 1757964728, "rx_snr": -16.5, "rx_rssi": -128, "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": 48, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092134333536323838341222536965727261206e6f727465204d616472696420e29bb0efb88ff09f97bcf09f8c9e1a03534e4d220648ca43562884282c380242207e52862e72b32f44af42b528084eefaa0bee58c0c7cbf44107a3ced8bae4c945", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!43562884", "long_name": "Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž", "short_name": "SNM", "macaddr": "SMpDViiE", "hw_model": "HELTEC_WSL_V3", "role": "ROUTER", "public_key": "flKGLnKzL0SvQrUoCE7vqgvuWMDHy/RBB6PO2LrkyUU=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (98 bytes)
0a092134333536323838341222536965727261206e6f727465204d616472696420e29bb0efb88ff09f97bcf09f8c9e1a03534e4d220648ca43562884282c380242207e52862e72b32f44af42b528084eefaa0bee58c0c7cbf44107a3ced8bae4c945
Hex Analysis:
Size:98 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
Meshtastic b0e4 (b0e4) Primary 0.000s
Reference
-128.0 dBm -16.50 dB 3 MediumSlow 2025-09-15 19:32:09 Current
Perseo ๐Ÿ“ก ๐ŸŒ (nvm1) -28.536s
Before
-107.0 dBm -8.75 dB 0 MediumSlow 2025-09-15 19:31:41 View
Venturada base๐Ÿ—ผ๐ŸŒ (Vb) -28.225s
Before
-116.0 dBm -11.25 dB 0 MediumSlow 2025-09-15 19:31:41 View
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) -27.204s
Before
-110.0 dBm -2.25 dB 0 MediumSlow 2025-09-15 19:31:42 View
Meshtastic c498๐Ÿ“ก๐ŸŒ (C498) -26.600s
Before
-116.0 dBm -13.00 dB 1 MediumSlow 2025-09-15 19:31:42 View
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -25.683s
Before
-101.0 dBm -4.50 dB 1 MediumSlow 2025-09-15 19:31:43 View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) -25.217s
Before
-120.0 dBm -11.50 dB 2 MediumSlow 2025-09-15 19:31:44 View
@lazynoda cocidito ๐Ÿฅต ๐Ÿ—ผ๐ŸŒ (LNCM) -24.562s
Before
-119.0 dBm -7.00 dB 1 MediumSlow 2025-09-15 19:31:44 View
Will - Azuqueca (WAzq) -23.270s
Before
-111.0 dBm -10.25 dB 2 MediumSlow 2025-09-15 19:31:46 View
Meshtastic 1760 (1760) -22.945s
Before
-127.0 dBm -10.50 dB 2 MediumSlow 2025-09-15 19:31:46 View
Meshtastic fbec (fbec) -22.942s
Before
-127.0 dBm -8.00 dB 2 MediumSlow 2025-09-15 19:31:46 View
Meshtastic 18a4 (18a4) -22.535s
Before
Unknown Unknown 3 MediumSlow 2025-09-15 19:31:47 View
Rainbow ๐Ÿฆ„ (Jen4) -20.649s
Before
-56.0 dBm 8.75 dB 3 MediumSlow 2025-09-15 19:31:48 View
Monolito (7960) -20.374s
Before
-70.0 dBm 8.50 dB 3 MediumSlow 2025-09-15 19:31:49 View
Mec Rocket Meco (MRM) -19.952s
Before
-35.0 dBm 8.50 dB 3 MediumSlow 2025-09-15 19:31:49 View
g1bal (g1b0) -9.333s
Before
-109.0 dBm -10.50 dB 2 MediumSlow 2025-09-15 19:32:00 View
๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181) +5.616s
After
-124.0 dBm -14.50 dB 2 MediumSlow 2025-09-15 19:32:15 View
17

Total Receptions

17

Unique Gateways