Packet #6023480 Success

NODEINFO_APP packet from SYSXX BGW4 (SXB4) to Meshtastic f2b0 (gad4)

2
Total Receptions
1
Unique Gateways
0
Hop Count
39
Payload Bytes
Packet Information
Database ID: 6023480
Mesh Packet ID: 0x65e3018d
Used for correlation across gateways
Timestamp: 2026-01-15 10:06:02 UTC
From Node: SYSXX BGW4 (SXB4)
To Node: Meshtastic f2b0 (gad4)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: SYSXX BGW4 (SXB4)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Payload Data
Protocol: NODEINFO_APP
Size: 39 bytes
Decoded: Yes
Decoded Data:
Long Name:SYSXX BGW4
Short Name:SXB4
Node ID:!34997258
MAC Address:7OM0mXJY
Hardware:DIY_V1
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:39 bytes
Gateway:!34997258
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !34997258
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (39 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 882471512
Source node ID
uint32
to 2654728880
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 39 bytes size
hop_limit 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1768460761
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
Packet priority level
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 1768460762.3905694
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !34997258
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:39 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!34997258", "long_name": "SYSXX BGW4", "short_name": "SXB4", "macaddr": "7OM0mXJY", "hw_model": "DIY_V1" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!34997258", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 882471512, "to": 2654728880, "id": 1709375885, "rx_time": 1768460761, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213334393937323538120a535953585820424757341a04535842342206ece3349972582827", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!34997258", "long_name": "SYSXX BGW4", "short_name": "SXB4", "macaddr": "7OM0mXJY", "hw_model": "DIY_V1", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (39 bytes)
0a09213334393937323538120a535953585820424757341a04535842342206ece3349972582827
Hex Analysis:
Size:39 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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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
SYSXX BGW4 (SXB4) Primary 0.000s
Reference
Unknown Unknown 0 LongFast 2026-01-15 10:06:02 Current
SYSXX BGW4 (SXB4) +0.224s
After
Unknown Unknown 7 LongFast 2026-01-15 10:06:02 View
2

Total Receptions

1

Unique Gateways