Packet #2784740 Success

NODEINFO_APP packet from Meshtastic 15f4 (15f4) to !ffffffff

10
Total Receptions
5
Unique Gateways
3
Hop Count
71
Payload Bytes
Packet Information
Database ID: 2784740
Mesh Packet ID: 0xb23cd6c5
Used for correlation across gateways
Timestamp: 2025-07-04 11:56:15 UTC
From Node: Meshtastic 15f4 (15f4)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Blac Base πŸ“‘πŸŒ (BLC1)
Channel: Iberia
RSSI: -115 dBm
SNR: -5.75 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 71 bytes
Decoded: Yes
Decoded Data:
Long Name:Alberto
Short Name:Alb
Node ID:!a0cb15f4
MAC Address:MO2gyxX0
Hardware:HELTEC_V3
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:71 bytes
Gateway:!8ac0d585
Channel:Iberia
Payload Type:NODEINFO_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Custom channel: Iberia
+ 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 !8ac0d585
Node ID format
channel_id Iberia
packet MeshPacket (71 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2697663988
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 71 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -115.0 dBm
Signal strength at gateway
int32
rx_snr -5.75 dB
Signal quality at gateway
float
rx_time 1751624324
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 1751630175.4975185
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: Iberia
  • βœ“ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !8ac0d585
Signal Metrics: RSSI: -115.0 dBm
SNR: -5.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:71 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!a0cb15f4", "long_name": "Alberto", "short_name": "Alb", "macaddr": "MO2gyxX0", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!8ac0d585", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697663988, "to": 4294967295, "id": 2990331589, "rx_time": 1751624324, "rx_snr": -5.75, "rx_rssi": -115, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092161306362313566341207416c626572746f1a03416c62220630eda0cb15f4282b422002abd4312603d40e888aa0284362445daaee085704802da00f0a585f6e48445d4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!a0cb15f4", "long_name": "Alberto", "short_name": "Alb", "macaddr": "MO2gyxX0", "hw_model": "HELTEC_V3", "public_key": "AqvUMSYD1A6IiqAoQ2JEXaruCFcEgC2gDwpYX25IRF0=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (71 bytes)
0a092161306362313566341207416c626572746f1a03416c62220630eda0cb15f4282b422002abd4312603d40e888aa0284362445daaee085704802da00f0a585f6e48445d4800
Hex Analysis:
Size:71 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
Blac Base πŸ“‘πŸŒ (BLC1) Primary 0.000s
Reference
-115.0 dBm -5.75 dB 3 Iberia 2025-07-04 11:56:15 Current
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -5854.810s
Before
-102.0 dBm -4.25 dB 2 Iberia 2025-07-04 10:18:40 View
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -5854.748s
Before
-102.0 dBm -4.25 dB 2 Iberia 2025-07-04 10:18:40 View
Venturada baseπŸ—ΌπŸŒ (Vb) -5854.528s
Before
-125.0 dBm -15.50 dB 2 Iberia 2025-07-04 10:18:40 View
GRN1-BaseπŸ“‘πŸŒ (GRN1) -5854.359s
Before
-117.0 dBm -7.75 dB 2 Iberia 2025-07-04 10:18:41 View
Venturada baseπŸ—ΌπŸŒ (Vb) -5853.451s
Before
-125.0 dBm -15.50 dB 2 Iberia 2025-07-04 10:18:42 View
GRN1-BaseπŸ“‘πŸŒ (GRN1) -5852.463s
Before
-117.0 dBm -7.75 dB 2 Iberia 2025-07-04 10:18:43 View
Villalbilla02 (VBV2) -5852.307s
Before
-119.0 dBm -11.25 dB 2 Iberia 2025-07-04 10:18:43 View
Villalbilla02 (VBV2) -5851.241s
Before
-119.0 dBm -11.25 dB 2 Iberia 2025-07-04 10:18:44 View
Blac Base πŸ“‘πŸŒ (BLC1) +1.466s
After
-115.0 dBm -5.75 dB 3 Iberia 2025-07-04 11:56:16 View
10

Total Receptions

5

Unique Gateways