Packet #39471620 Success

NODEINFO_APP packet from Mechanicus Alpha (M1) to not a toaster (daw)

45
Total Receptions
1
Unique Gateways
0
Hop Count
81
Payload Bytes
Packet Information
Database ID: 39471620
Mesh Packet ID: 0xb1e1cacf
Used for correlation across gateways
Timestamp: 2026-05-16 06:47:46 UTC
From Node: Mechanicus Alpha (M1)
To Node: not a toaster (daw)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Alpha (M1)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 8c M1
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 81 bytes
Decoded: Yes
Decoded Data:
Long Name:Mechanicus Alpha
Short Name:M1
Node ID:!433e868c
MAC Address:SMpDPoaM
Hardware:HELTEC_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:81 bytes
Gateway:!433e868c
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433e868c
Node ID format
channel_id MediumFast
packet MeshPacket (81 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128171148
Source node ID
uint32
to 2571147703
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 81 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 2
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 1778914033
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 70
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 140
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778914066.415817
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
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !433e868c
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:81 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!433e868c", "long_name": "Mechanicus Alpha", "short_name": "M1", "macaddr": "SMpDPoaM", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128171148, "to": 2571147703, "id": 2984364751, "rx_time": 1778914033, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 140, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343333653836386312104d656368616e6963757320416c7068611a024d31220648ca433e868c282b380c4220c4ee6886cd603238dade21bdb0d69b89907534e6fdb42ad447ff829cea67a07f4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!433e868c", "long_name": "Mechanicus Alpha", "short_name": "M1", "macaddr": "SMpDPoaM", "hw_model": "HELTEC_V3", "role": "CLIENT_BASE", "public_key": "xO5ohs1gMjja3iG9sNabiZB1NOb9tCrUR/+CnOpnoH8=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (81 bytes)
0a0921343333653836386312104d656368616e6963757320416c7068611a024d31220648ca433e868c282b380c4220c4ee6886cd603238dade21bdb0d69b89907534e6fdb42ad447ff829cea67a07f4801
Hex Analysis:
Size:81 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 Relay Channel Timestamp Actions
Mechanicus Alpha (M1) Primary 0.000s
Reference
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:46 UTC Current
Mechanicus Alpha (M1) -8.230s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:38 UTC View
Mechanicus Alpha (M1) -1.730s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -1.682s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -1.422s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -1.071s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -0.580s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -0.552s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -0.335s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -0.228s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -0.175s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) +0.193s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) +0.303s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) +0.360s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) +0.491s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) +0.639s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.838s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.890s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.938s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +1.045s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +1.140s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +1.340s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +1.498s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +1.788s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +1.922s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.172s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.218s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.239s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.403s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.487s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.559s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.624s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +2.702s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +2.979s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.066s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.221s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.356s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.379s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.560s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.627s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.674s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.741s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.879s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.945s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +4.014s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:50 UTC View
45

Total Receptions

1

Unique Gateways