Packet #10986099 Success

NODEINFO_APP packet from KutreTec 7e27 (Ke27) to !ffffffff

21
Total Receptions
21
Unique Gateways
0
Hop Count
76
Payload Bytes
Packet Information
Database ID: 10986099
Mesh Packet ID: 0xe8e72000
Used for correlation across gateways
Timestamp: 2025-09-17 12:06:55 UTC
From Node: KutreTec 7e27 (Ke27)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Tlgo πŸ“‘πŸŒπŸ”‹πŸ”Œ (TLG0)
Channel: MediumSlow
RSSI: -120 dBm
SNR: -14.5 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: NODEINFO_APP
Size: 76 bytes
Decoded: Yes
Decoded Data:
Long Name:KutreTec 7e27
Short Name:Ke27
Node ID:!4b397e27
MAC Address:1glLOX4n
Hardware:NRF52_PROMICRO_DIY
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:76 bytes
Gateway:!da638a24
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da638a24
Node ID format
channel_id MediumSlow
packet MeshPacket (76 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1262059047
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 76 bytes size
hop_limit 4
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -120.0 dBm
Signal strength at gateway
int32
rx_snr -14.50 dB
Signal quality at gateway
float
rx_time 1758110814
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 39
Relay node ID
uint32
tx_after Not set uint32
timestamp 1758110815.5930915
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Custom channel: MediumSlow
  • βœ“ Gateway node ID tracked
  • βœ“ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da638a24
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -120.0 dBm
SNR: -14.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:76 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!4b397e27", "long_name": "KutreTec 7e27", "short_name": "Ke27", "macaddr": "1glLOX4n", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1262059047, "to": 4294967295, "id": 3907461120, "rx_time": 1758110814, "rx_snr": -14.5, "rx_rssi": -120, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 39, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213462333937653237120d4b7574726554656320376532371a044b6532372206d6094b397e27283f42206eb2d4fa97dbc3c6023b38cb4a48db806d9b9299bd79b6bb433b12bc5c71db46", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!4b397e27", "long_name": "KutreTec 7e27", "short_name": "Ke27", "macaddr": "1glLOX4n", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "brLU+pfbw8YCOzjLSkjbgG2bkpm9eba7QzsSvFxx20Y=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (76 bytes)
0a09213462333937653237120d4b7574726554656320376532371a044b6532372206d6094b397e27283f42206eb2d4fa97dbc3c6023b38cb4a48db806d9b9299bd79b6bb433b12bc5c71db46
Hex Analysis:
Size:76 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 Channel Timestamp Actions
Tlgo πŸ“‘πŸŒπŸ”‹πŸ”Œ (TLG0) Primary 0.000s
Reference
-120.0 dBm -14.50 dB 0 MediumSlow 2025-09-17 12:06:55 Current
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -0.344s
Before
-102.0 dBm -3.00 dB 0 MediumSlow 2025-09-17 12:06:55 View
Will - Azuqueca (WAzq) +0.500s
After
-114.0 dBm -5.75 dB 1 MediumSlow 2025-09-17 12:06:56 View
RodashtasticπŸ—ΌπŸŒ (RDSt) +0.820s
After
-114.0 dBm -5.50 dB 1 MediumSlow 2025-09-17 12:06:56 View
Venturada baseπŸ—ΌπŸŒ (Vb) +0.829s
After
-90.0 dBm 8.25 dB 1 MediumSlow 2025-09-17 12:06:56 View
Meshtastic 1760 (1760) +0.837s
After
-125.0 dBm -6.00 dB 1 MediumSlow 2025-09-17 12:06:56 View
Meshtastic c498πŸ“‘πŸŒ (C498) +0.844s
After
-118.0 dBm -17.00 dB 1 MediumSlow 2025-09-17 12:06:56 View
Meshtastic fbec (fbec) +0.851s
After
-132.0 dBm -13.25 dB 1 MediumSlow 2025-09-17 12:06:56 View
GRN1-BaseπŸ—ΌπŸŒ (GRN1) +0.857s
After
-100.0 dBm 5.25 dB 1 MediumSlow 2025-09-17 12:06:56 View
@lazynoda cocidito πŸ₯΅ πŸ—ΌπŸŒ (LNCM) +0.864s
After
-112.0 dBm -0.25 dB 1 MediumSlow 2025-09-17 12:06:56 View
Ocumare_Base_πŸ—ΌπŸŒ (CATA) +0.955s
After
-116.0 dBm -14.50 dB 1 MediumSlow 2025-09-17 12:06:56 View
Mec Rocket Meco (MRM) +1.589s
After
-34.0 dBm 9.00 dB 2 MediumSlow 2025-09-17 12:06:57 View
Perseo πŸ“‘ 🌐 (nvm1) +1.748s
After
-99.0 dBm -13.00 dB 2 MediumSlow 2025-09-17 12:06:57 View
MalasaΓ±a Solar β˜€οΈ (πŸŒ‡) +1.919s
After
-119.0 dBm -15.00 dB 2 MediumSlow 2025-09-17 12:06:57 View
Meshtastic 18a4 (18a4) +1.941s
After
-124.0 dBm -11.75 dB 2 MediumSlow 2025-09-17 12:06:57 View
Monolito (7960) +2.667s
After
-58.0 dBm 9.00 dB 2 MediumSlow 2025-09-17 12:06:58 View
Zion πŸ—Ό (Zion) +3.156s
After
-109.0 dBm -16.00 dB 2 MediumSlow 2025-09-17 12:06:58 View
SkG@Home πŸ“‘πŸŒ (SkGH) +3.188s
After
-111.0 dBm -4.25 dB 2 MediumSlow 2025-09-17 12:06:58 View
Meshtastic 9f30 (9f30) +3.385s
After
-120.0 dBm -14.00 dB 2 MediumSlow 2025-09-17 12:06:58 View
Meshtastic 54a4 (54a4) +6.469s
After
-120.0 dBm -11.50 dB 4 MediumSlow 2025-09-17 12:07:02 View
🌐Charly Unid MovilπŸ›° (C181) +465.213s
After
-128.0 dBm -17.00 dB 2 MediumSlow 2025-09-17 12:14:40 View
21

Total Receptions

21

Unique Gateways