Packet #17801286 Success

NODEINFO_APP packet from Meshtastic 1cd3 (1cd3) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
80
Payload Bytes
Packet Information
Database ID: 17801286
Mesh Packet ID: 0xb0658257
Used for correlation across gateways
Timestamp: 2026-03-27 09:55:57 UTC
From Node: Meshtastic 1cd3 (1cd3)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic b018 (b018)
Channel: LongFast
RSSI: -33 dBm
SNR: 6.5 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: d3 1cd3
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: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 1cd3
Short Name:1cd3
Node ID:!f83b1cd3
MAC Address:5Av4OxzT
Hardware:HELTEC_MESH_NODE_T114
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:80 bytes
Gateway:!db51b018
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db51b018
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4164623571
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 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -33.0 dBm
Signal strength at gateway
int32
rx_snr 6.50 dB
Signal quality at gateway
float
rx_time 1774605355
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 211
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774605357.1614978
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:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !db51b018
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -33.0 dBm
SNR: 6.50 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": "!f83b1cd3", "long_name": "Meshtastic 1cd3", "short_name": "1cd3", "macaddr": "5Av4OxzT", "hw_model": "HELTEC_MESH_NODE_T114" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db51b018", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4164623571, "to": 4294967295, "id": 2959442519, "rx_time": 1774605355, "rx_snr": 6.5, "rx_rssi": -33, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 211, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216638336231636433120f4d65736874617374696320316364331a04316364332206e40bf83b1cd32845422063905cc44c68f95a0c01863431f3fc728ab7a910d4a8c9199f9129d9e1ce49644800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!f83b1cd3", "long_name": "Meshtastic 1cd3", "short_name": "1cd3", "macaddr": "5Av4OxzT", "hw_model": "HELTEC_MESH_NODE_T114", "public_key": "Y5BcxExo+VoMAYY0MfP8coq3qRDUqMkZn5Ep2eHOSWQ=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216638336231636433120f4d65736874617374696320316364331a04316364332206e40bf83b1cd32845422063905cc44c68f95a0c01863431f3fc728ab7a910d4a8c9199f9129d9e1ce49644800
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
Loading...

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
Meshtastic b018 (b018) Primary 0.000s
Reference
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC Current
Meshtastic b018 (b018) -0.057s
Before
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) -0.025s
Before
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.029s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.052s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.077s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.100s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.123s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.145s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.165s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.186s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.206s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.230s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.254s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.278s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.302s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.323s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.345s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.366s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.387s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.411s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.435s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 MediumFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.459s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.482s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.504s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.525s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.546s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.566s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.590s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.620s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.643s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.667s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.689s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortFast 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.710s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.731s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.752s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.776s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.800s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.823s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:57 UTC View
Meshtastic b018 (b018) +0.846s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:58 UTC View
Meshtastic b018 (b018) +0.868s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:58 UTC View
Meshtastic b018 (b018) +0.889s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:58 UTC View
Meshtastic b018 (b018) +0.910s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:58 UTC View
Meshtastic b018 (b018) +0.931s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 ShortTurbo 2026-03-27 09:55:58 UTC View
Meshtastic b018 (b018) +0.955s
After
-33.0 dBm 6.50 dB 0 d3 1cd3 LongFast 2026-03-27 09:55:58 UTC View
45

Total Receptions

1

Unique Gateways