Packet #10685080 Success

NODEINFO_APP packet from Sirio πŸ—ΌπŸŒž (Sir) to !ffffffff

22
Total Receptions
21
Unique Gateways
1
Hop Count
80
Payload Bytes
Packet Information
Database ID: 10685080
Mesh Packet ID: 0xd55ed953
Used for correlation across gateways
Timestamp: 2025-09-15 08:58:31 UTC
From Node: Sirio πŸ—ΌπŸŒž (Sir)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2)
Channel: MediumSlow
RSSI: -96 dBm
SNR: -0.5 dBm
Hop Info: 1/4 hops
Start: 4, Limit: 3
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Sirio πŸ—ΌπŸŒž
Short Name:Sir
Node ID:!170e6813
MAC Address:61EXDmgT
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:80 bytes
Gateway:!a03526b0
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:1 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a03526b0
Node ID format
channel_id MediumSlow
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 386820115
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 80 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -96.0 dBm
Signal strength at gateway
int32
rx_snr -0.50 dB
Signal quality at gateway
float
rx_time 1757926710
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 8
Relay node ID
uint32
tx_after Not set uint32
timestamp 1757926711.3422499
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Custom channel: MediumSlow
  • βœ“ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a03526b0
Signal Metrics: RSSI: -96.0 dBm
SNR: -0.50 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": "!170e6813", "long_name": "Sirio πŸ—ΌπŸŒž", "short_name": "Sir", "macaddr": "61EXDmgT", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a03526b0", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 386820115, "to": 4294967295, "id": 3579763027, "rx_time": 1757926710, "rx_snr": -0.5, "rx_rssi": -96, "hop_limit": 3, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 8, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213137306536383133120e536972696f20f09f97bcf09f8c9e1a035369722206eb51170e6813283f380142207a404e4165946e69cea6990ace4c1d6768cafe100f4433aa6e6d446e40ca264e4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!170e6813", "long_name": "Sirio πŸ—ΌπŸŒž", "short_name": "Sir", "macaddr": "61EXDmgT", "hw_model": "NRF52_PROMICRO_DIY", "role": "CLIENT_MUTE", "public_key": "ekBOQWWUbmnOppkKzkwdZ2jK/hAPRDOqbm1EbkDKJk4=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213137306536383133120e536972696f20f09f97bcf09f8c9e1a035369722206eb51170e6813283f380142207a404e4165946e69cea6990ace4c1d6768cafe100f4433aa6e6d446e40ca264e4800
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
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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
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) Primary 0.000s
Reference
-96.0 dBm -0.50 dB 1 MediumSlow 2025-09-15 08:58:31 Current
Venturada baseπŸ—ΌπŸŒ (Vb) -2.190s
Before
-31.0 dBm 7.25 dB 0 MediumSlow 2025-09-15 08:58:29 View
Will - Azuqueca (WAzq) -0.014s
Before
-111.0 dBm -15.75 dB 1 MediumSlow 2025-09-15 08:58:31 View
Perseo πŸ“‘πŸŒβ˜€ (nvm1) -0.003s
Before
-110.0 dBm -14.25 dB 1 MediumSlow 2025-09-15 08:58:31 View
RodashtasticπŸ—ΌπŸŒ (RDSt) +0.304s
After
-112.0 dBm -10.75 dB 1 MediumSlow 2025-09-15 08:58:31 View
Meshtastic 1760 (1760) +0.309s
After
-124.0 dBm -5.75 dB 1 MediumSlow 2025-09-15 08:58:31 View
GRN1-BaseπŸ—ΌπŸŒ (GRN1) +0.335s
After
-97.0 dBm 6.25 dB 1 MediumSlow 2025-09-15 08:58:31 View
Meshtastic fbec (fbec) +0.342s
After
-128.0 dBm -6.50 dB 1 MediumSlow 2025-09-15 08:58:31 View
@lazynoda cocidito πŸ₯΅ πŸ—ΌπŸŒ (LNCM) +0.438s
After
-107.0 dBm 2.50 dB 1 MediumSlow 2025-09-15 08:58:31 View
Meshtastic 18a4 (18a4) +0.621s
After
Unknown Unknown 2 MediumSlow 2025-09-15 08:58:31 View
Ocumare_Base_πŸ—ΌπŸŒ (CATA) +0.962s
After
-118.0 dBm -13.50 dB 1 MediumSlow 2025-09-15 08:58:32 View
[TLG] πŸ“‘πŸŒπŸ”‹πŸ”Œ (tlg0) +1.607s
After
-117.0 dBm -9.75 dB 2 MediumSlow 2025-09-15 08:58:32 View
Muev.E πŸ“±πŸ§­ (MVE) +2.860s
After
-99.0 dBm -15.50 dB 2 MediumSlow 2025-09-15 08:58:34 View
Monolito (MoN) +3.142s
After
-64.0 dBm 8.50 dB 3 MediumSlow 2025-09-15 08:58:34 View
Meshtastic 870cπŸ“‘πŸŒ (870c) +3.545s
After
-95.0 dBm 3.75 dB 3 MediumSlow 2025-09-15 08:58:34 View
Mec Rocket Meco (MRM) +3.654s
After
-34.0 dBm 9.25 dB 2 MediumSlow 2025-09-15 08:58:34 View
SkG@Home πŸ“‘πŸŒ (SkGH) +5.420s
After
-112.0 dBm -6.25 dB 2 MediumSlow 2025-09-15 08:58:36 View
Vaguada Portable (Vgda) +6.010s
After
-103.0 dBm 3.25 dB 2 MediumSlow 2025-09-15 08:58:37 View
Meshtastic a500 (a500) +23.651s
After
-103.0 dBm 4.75 dB 2 MediumSlow 2025-09-15 08:58:54 View
Armitage (LREC) +136.837s
After
-123.0 dBm -7.75 dB 2 MediumSlow 2025-09-15 09:00:48 View
Torrijos Meshtastic 1 (ToR1) +811.113s
After
-122.0 dBm -16.00 dB 1 MediumSlow 2025-09-15 09:12:02 View
Torrijos Meshtastic 1 (ToR1) +835.127s
After
-122.0 dBm -16.00 dB 1 MediumSlow 2025-09-15 09:12:26 View
22

Total Receptions

21

Unique Gateways