Packet #737795 Success

NODEINFO_APP packet from Sierra norte Madrid ⛰️ (SNM) to Venturada tbeam v1🌐 (Vtv)

20
Total Receptions
7
Unique Gateways
4
Hop Count
90
Payload Bytes
Packet Information
Database ID: 737795
Mesh Packet ID: 0x89cff9e1
Used for correlation across gateways
Timestamp: 2025-06-13 20:24:24 UTC
From Node: Sierra norte Madrid ⛰️ (SNM)
To Node: Venturada tbeam v1🌐 (Vtv)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Chema ce4c (CH01)
Channel: LongFast
RSSI: -127 dBm
SNR: -19.5 dBm
Hop Info: 4/5 hops
Start: 5, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 90 bytes
Decoded: Yes
Decoded Data:
Long Name:Sierra norte Madrid ⛰️
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) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:90 bytes
Gateway:!e1face4c
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:4 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !e1face4c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (90 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 3220278476
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 90 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -127.0 dBm
Signal strength at gateway 		int32
rx_snr -19.50 dB
Signal quality at gateway 		float
rx_time 1749846088
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 1749846264.8564556
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:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !e1face4c
Signal Metrics: RSSI: -127.0 dBm
SNR: -19.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:90 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!43562884", "long_name": "Sierra norte Madrid ⛰️", "short_name": "SNM", "macaddr": "SMpDViiE", "hw_model": "HELTEC_WSL_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!e1face4c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129719940, "to": 3220278476, "id": 2312108513, "rx_time": 1749846088, "rx_snr": -19.5, "rx_rssi": -127, "hop_limit": 1, "hop_start": 5, "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": "0a09213433353632383834121a536965727261206e6f727465204d616472696420e29bb0efb88f1a03534e4d220648ca43562884282c380242207e52862e72b32f44af42b528084eefaa0bee58c0c7cbf44107a3ced8bae4c945", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!43562884", "long_name": "Sierra norte Madrid ⛰️", "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 (90 bytes)
0a09213433353632383834121a536965727261206e6f727465204d616472696420e29bb0efb88f1a03534e4d220648ca43562884282c380242207e52862e72b32f44af42b528084eefaa0bee58c0c7cbf44107a3ced8bae4c945
Hex Analysis:
Size:90 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

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
Chema ce4c (CH01) Primary 0.000s
Reference 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:24 Current
Meshtastic c498📡🌐 (C498) -194.941s
Before 		-123.0 dBm -17.75 dB 0 LongFast 2025-06-13 20:21:09 View
GRN1-Base📡🌐 (GRN1) -194.886s
Before 		-108.0 dBm 0.50 dB 0 LongFast 2025-06-13 20:21:09 View
[TLGO] Base 📡🌐 (TLG0) -194.877s
Before 		-111.0 dBm -6.75 dB 0 LongFast 2025-06-13 20:21:09 View
Rivas 📡 (RVS1) -193.362s
Before 		-111.0 dBm -20.00 dB 0 LongFast 2025-06-13 20:21:11 View
Venturada tbeam v1🌐 (Vtv) -188.176s
Before 		-114.0 dBm -7.00 dB 0 LongFast 2025-06-13 20:21:16 View
Multiferr2 (36cc) -184.114s
Before 		-105.0 dBm -0.25 dB 3 LongFast 2025-06-13 20:21:20 View
Chema ce4c (CH01) -33.047s
Before 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:23:51 View
Chema ce4c (CH01) -22.015s
Before 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:02 View
Chema ce4c (CH01) -11.008s
Before 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:13 View
Chema ce4c (CH01) +4.996s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:29 View
Chema ce4c (CH01) +5.998s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:30 View
Chema ce4c (CH01) +8.003s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:32 View
Chema ce4c (CH01) +10.006s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:34 View
Chema ce4c (CH01) +12.017s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:36 View
Chema ce4c (CH01) +14.021s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:38 View
Chema ce4c (CH01) +17.019s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:41 View
Chema ce4c (CH01) +19.022s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:43 View
Chema ce4c (CH01) +21.032s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:45 View
Chema ce4c (CH01) +22.034s
After 		-127.0 dBm -19.50 dB 4 LongFast 2025-06-13 20:24:46 View
20

Total Receptions

7

Unique Gateways