Packet #17675499 Success

NODEINFO_APP packet from KOT2H (K2H) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
69
Payload Bytes
Packet Information
Database ID: 17675499
Mesh Packet ID: 0x87b83f14
Used for correlation across gateways
Timestamp: 2026-03-27 03:07:48 UTC
From Node: KOT2H (K2H)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Crestwood (Crst)
Channel: ShortFast
RSSI: -107 dBm
SNR: 2.5 dBm
Hop Info: 1/4 hops
Start: 4, Limit: 3
Relay Node: None
Payload Data
Protocol: NODEINFO_APP
Size: 69 bytes
Decoded: Yes
Decoded Data:
Long Name:KOT2H
Short Name:K2H
Node ID:!433a9ed4
MAC Address:SMpDOp7U
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:69 bytes
Gateway:!433c6b10
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:1 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433c6b10
Node ID format
channel_id ShortFast
packet MeshPacket (69 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1127915220
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 69 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 -107.0 dBm
Signal strength at gateway
int32
rx_snr 2.50 dB
Signal quality at gateway
float
rx_time 1774580866
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 1774580868.033312
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)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433c6b10
Signal Metrics: RSSI: -107.0 dBm
SNR: 2.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:69 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!433a9ed4", "long_name": "KOT2H", "short_name": "K2H", "macaddr": "SMpDOp7U", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433c6b10", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1127915220, "to": 4294967295, "id": 2276998932, "rx_time": 1774580866, "rx_snr": 2.5, "rx_rssi": -107, "hop_limit": 3, "hop_start": 4, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343333613965643412054b4f5432481a034b3248220648ca433a9ed4282b4220a34418129f76f0ba098abe2436f4c7557509d40a875698c5a40687ec31f020794800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!433a9ed4", "long_name": "KOT2H", "short_name": "K2H", "macaddr": "SMpDOp7U", "hw_model": "HELTEC_V3", "public_key": "o0QYEp928LoJir4kNvTHVXUJ1AqHVpjFpAaH7DHwIHk=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (69 bytes)
0a0921343333613965643412054b4f5432481a034b3248220648ca433a9ed4282b4220a34418129f76f0ba098abe2436f4c7557509d40a875698c5a40687ec31f020794800
Hex Analysis:
Size:69 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
Crestwood (Crst) Primary 0.000s
Reference
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:48 UTC Current
Crestwood (Crst) -0.724s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.685s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.658s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.636s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.615s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.595s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.572s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.549s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.526s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.503s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.481s
Before
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.459s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.438s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.416s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.394s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.370s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.346s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.322s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.299s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.278s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.257s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.236s
Before
-107.0 dBm 2.50 dB 1 - MediumFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.213s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.188s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.165s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.141s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.118s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.097s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.070s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.048s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:47 UTC View
Crestwood (Crst) -0.024s
Before
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.024s
After
-107.0 dBm 2.50 dB 1 - ShortFast 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.046s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.069s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.095s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.125s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.147s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.169s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.193s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.217s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.241s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.264s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.286s
After
-107.0 dBm 2.50 dB 1 - ShortTurbo 2026-03-27 03:07:48 UTC View
Crestwood (Crst) +0.307s
After
-107.0 dBm 2.50 dB 1 - LongFast 2026-03-27 03:07:48 UTC View
45

Total Receptions

1

Unique Gateways