Packet #9280826 Success

NODEINFO_APP packet from Venturada base test (Vbt) to Coslada Ferial (JR)

12
Total Receptions
12
Unique Gateways
2
Hop Count
83
Payload Bytes
Packet Information
Database ID: 9280826
Mesh Packet ID: 0x02716a18
Used for correlation across gateways
Timestamp: 2025-09-05 13:43:56 UTC
From Node: Venturada base test (Vbt)
To Node: Coslada Ferial (JR)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic c498πŸ“‘πŸŒ (C498)
Channel: MediumSlow
RSSI: -119 dBm
SNR: -16.75 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 83 bytes
Decoded: Yes
Decoded Data:
Long Name:Venturada base test
Short Name:Vbt
Node ID:!587cb45f
MAC Address:8BNYfLRf
Hardware:NRF52_PROMICRO_DIY
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:83 bytes
Gateway:!7c5ac498
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !7c5ac498
Node ID format
channel_id MediumSlow
packet MeshPacket (83 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1484567647
Source node ID
uint32
to 313592268
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 83 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -119.0 dBm
Signal strength at gateway
int32
rx_snr -16.75 dB
Signal quality at gateway
float
rx_time 1757079835
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 Not set uint32
tx_after Not set uint32
timestamp 1757079836.1469104
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Targeted to specific node
  • βœ“ Custom channel: MediumSlow
  • βœ“ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !7c5ac498
Signal Metrics: RSSI: -119.0 dBm
SNR: -16.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:83 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!587cb45f", "long_name": "Venturada base test", "short_name": "Vbt", "macaddr": "8BNYfLRf", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!7c5ac498", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1484567647, "to": 313592268, "id": 40987160, "rx_time": 1757079835, "rx_snr": -16.75, "rx_rssi": -119, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213538376362343566121356656e747572616461206261736520746573741a035662742206f013587cb45f283f4220c7edbb3358c20b722b6ec82646d2ebbb2895550c15b934df3a53d2794ee697204800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!587cb45f", "long_name": "Venturada base test", "short_name": "Vbt", "macaddr": "8BNYfLRf", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "x+27M1jCC3IrbsgmRtLruyiVVQwVuTTfOlPSeU7mlyA=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (83 bytes)
0a09213538376362343566121356656e747572616461206261736520746573741a035662742206f013587cb45f283f4220c7edbb3358c20b722b6ec82646d2ebbb2895550c15b934df3a53d2794ee697204800
Hex Analysis:
Size:83 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 c498πŸ“‘πŸŒ (C498) Primary 0.000s
Reference
-119.0 dBm -16.75 dB 2 MediumSlow 2025-09-05 13:43:56 Current
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -3.361s
Before
-106.0 dBm -8.00 dB 0 MediumSlow 2025-09-05 13:43:52 View
Meshtastic fbec (fbec) -1.837s
Before
-128.0 dBm -14.75 dB 1 MediumSlow 2025-09-05 13:43:54 View
Tlgo πŸ“‘πŸŒπŸ”‹πŸ”Œ (TLG0) -1.825s
Before
-114.0 dBm -7.75 dB 1 MediumSlow 2025-09-05 13:43:54 View
GRN1-BaseπŸ—ΌπŸŒ (GRN1) -1.817s
Before
-103.0 dBm 4.75 dB 1 MediumSlow 2025-09-05 13:43:54 View
Perseo πŸ—ΌπŸŒ (nvm1) -1.140s
Before
-99.0 dBm -1.75 dB 1 MediumSlow 2025-09-05 13:43:55 View
SkG@Somewhere 🀨 (SkGs) -0.731s
Before
-104.0 dBm 1.00 dB 2 MediumSlow 2025-09-05 13:43:55 View
Mec Rocket Meco (MRM) -0.282s
Before
-114.0 dBm -15.50 dB 2 MediumSlow 2025-09-05 13:43:55 View
@lazynoda cocidito πŸ₯΅ πŸ—ΌπŸŒ (LNCM) -0.039s
Before
-111.0 dBm -0.25 dB 2 MediumSlow 2025-09-05 13:43:56 View
RodashtasticπŸ—ΌπŸŒ (RDSt) +0.025s
After
-113.0 dBm -4.00 dB 2 MediumSlow 2025-09-05 13:43:56 View
Meshtastic 53fc (53fc) +1.142s
After
-117.0 dBm -13.25 dB 3 MediumSlow 2025-09-05 13:43:57 View
Meshtastic 4e6a (4e6a) +1.262s
After
-89.0 dBm -1.00 dB 2 MediumSlow 2025-09-05 13:43:57 View
12

Total Receptions

12

Unique Gateways