Packet #10685177 Success

NODEINFO_APP packet from Chamartin_Solar๐Ÿ—ผโ˜€๏ธ (Chmt) to !ffffffff

20
Total Receptions
20
Unique Gateways
1
Hop Count
88
Payload Bytes
Packet Information
Database ID: 10685177
Mesh Packet ID: 0x2167370c
Used for correlation across gateways
Timestamp: 2025-09-15 08:59:01 UTC
From Node: Chamartin_Solar๐Ÿ—ผโ˜€๏ธ (Chmt)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: [TLG] ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (tlg0)
Channel: MediumSlow
RSSI: -111 dBm
SNR: -6.25 dBm
Hop Info: 1/4 hops
Start: 4, Limit: 3
Payload Data
Protocol: NODEINFO_APP
Size: 88 bytes
Decoded: Yes
Decoded Data:
Long Name:Chamartin_Solar๐Ÿ—ผโ˜€๏ธ
Short Name:Chmt
Node ID:!794c9df5
MAC Address:6RJ5TJ31
Hardware:RAK4631
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:88 bytes
Gateway:!da638a24
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:1 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
โš  Visible to all nodes on channel
โš  Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da638a24
Node ID format
channel_id MediumSlow
packet MeshPacket (88 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2035064309
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 88 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 -111.0 dBm
Signal strength at gateway
int32
rx_snr -6.25 dB
Signal quality at gateway
float
rx_time 1757926740
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 1757926741.5872571
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“ Custom channel: MediumSlow
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Visible to all nodes on channel
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (1 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da638a24
Signal Metrics: RSSI: -111.0 dBm
SNR: -6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:88 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!794c9df5", "long_name": "Chamartin_Solar๐Ÿ—ผโ˜€๏ธ", "short_name": "Chmt", "macaddr": "6RJ5TJ31", "hw_model": "RAK4631" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2035064309, "to": 4294967295, "id": 560412428, "rx_time": 1757926740, "rx_snr": -6.25, "rx_rssi": -111, "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": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921373934633964663512194368616d617274696e5f536f6c6172f09f97bce29880efb88f1a0443686d742206e912794c9df52809422088fae16ac8f5c25a091f17108bc69d22dee15e653ebaac19b6609af7ee002046", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!794c9df5", "long_name": "Chamartin_Solar๐Ÿ—ผโ˜€๏ธ", "short_name": "Chmt", "macaddr": "6RJ5TJ31", "hw_model": "RAK4631", "public_key": "iPrhasj1wloJHxcQi8adIt7hXmU+uqwZtmCa9+4AIEY=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (88 bytes)
0a0921373934633964663512194368616d617274696e5f536f6c6172f09f97bce29880efb88f1a0443686d742206e912794c9df52809422088fae16ac8f5c25a091f17108bc69d22dee15e653ebaac19b6609af7ee002046
Hex Analysis:
Size:88 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
[TLG] ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (tlg0) Primary 0.000s
Reference
-111.0 dBm -6.25 dB 1 MediumSlow 2025-09-15 08:59:01 Current
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -2.180s
Before
-104.0 dBm -6.75 dB 0 MediumSlow 2025-09-15 08:58:59 View
Muev.E ๐Ÿ“ฑ๐Ÿงญ (MVE) -1.960s
Before
-99.0 dBm -15.25 dB 0 MediumSlow 2025-09-15 08:58:59 View
Meshtastic 1760 (1760) -1.874s
Before
-123.0 dBm -7.25 dB 0 MediumSlow 2025-09-15 08:58:59 View
Venturada base๐Ÿ—ผ๐ŸŒ (Vb) -1.872s
Before
-99.0 dBm 5.75 dB 0 MediumSlow 2025-09-15 08:58:59 View
Meshtastic 18a4 (18a4) -1.567s
Before
Unknown Unknown 1 MediumSlow 2025-09-15 08:59:00 View
Vaguada Portable (Vgda) -1.045s
Before
-103.0 dBm 2.50 dB 0 MediumSlow 2025-09-15 08:59:00 View
Will - Azuqueca (WAzq) -0.155s
Before
-111.0 dBm -14.50 dB 1 MediumSlow 2025-09-15 08:59:01 View
Ocumare_Base_๐Ÿ—ผ๐ŸŒ (CATA) +0.149s
After
-90.0 dBm 7.75 dB 1 MediumSlow 2025-09-15 08:59:01 View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) +0.185s
After
-112.0 dBm -4.25 dB 1 MediumSlow 2025-09-15 08:59:01 View
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) +0.198s
After
-96.0 dBm 6.50 dB 1 MediumSlow 2025-09-15 08:59:01 View
Meshtastic fbec (fbec) +0.209s
After
-127.0 dBm -6.25 dB 1 MediumSlow 2025-09-15 08:59:01 View
@lazynoda cocidito ๐Ÿฅต ๐Ÿ—ผ๐ŸŒ (LNCM) +0.262s
After
-108.0 dBm 2.50 dB 1 MediumSlow 2025-09-15 08:59:01 View
Mec Rocket Meco (MRM) +2.265s
After
-34.0 dBm 9.00 dB 2 MediumSlow 2025-09-15 08:59:03 View
Meshtastic a500 (a500) +2.517s
After
-103.0 dBm 4.75 dB 2 MediumSlow 2025-09-15 08:59:04 View
Perseo ๐Ÿ“ก๐ŸŒโ˜€ (nvm1) +3.911s
After
-94.0 dBm -8.75 dB 3 MediumSlow 2025-09-15 08:59:05 View
Meshtastic 870c๐Ÿ“ก๐ŸŒ (870c) +4.057s
After
-95.0 dBm 4.00 dB 3 MediumSlow 2025-09-15 08:59:05 View
SkG@Home ๐Ÿ“ก๐ŸŒ (SkGH) +5.256s
After
-112.0 dBm -5.00 dB 2 MediumSlow 2025-09-15 08:59:06 View
๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181) +92.502s
After
-117.0 dBm -12.75 dB 1 MediumSlow 2025-09-15 09:00:34 View
Armitage (LREC) +106.594s
After
-122.0 dBm -4.00 dB 4 MediumSlow 2025-09-15 09:00:48 View
20

Total Receptions

20

Unique Gateways