Packet #2725866 Success

NODEINFO_APP packet from Meshtastic a67c (a67c) to !ffffffff

11
Total Receptions
11
Unique Gateways
1
Hop Count
78
Payload Bytes
Packet Information
Database ID: 2725866
Mesh Packet ID: 0x426b97a0
Used for correlation across gateways
Timestamp: 2025-07-03 21:22:53 UTC
From Node: Meshtastic a67c (a67c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: SkG@Home 🗼🌐 (SkGH)
Channel: LongFast
RSSI: -106 dBm
SNR: -1.0 dBm
Hop Info: 1/5 hops
Start: 5, Limit: 4
Payload Data
Protocol: NODEINFO_APP
Size: 78 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic a67c
Short Name:a67c
Node ID:!d48ba67c
MAC Address:3HbUi6Z8
Hardware:TRACKER_T1000_E
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:78 bytes
Gateway:!db29e6a8
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:1 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db29e6a8
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (78 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3565921916
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 78 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -106.0 dBm
Signal strength at gateway 		int32
rx_snr -1.00 dB
Signal quality at gateway 		float
rx_time 1751577772
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 120
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1751577773.0712833
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !db29e6a8
Signal Metrics: RSSI: -106.0 dBm
SNR: -1.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:78 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!d48ba67c", "long_name": "Meshtastic a67c", "short_name": "a67c", "macaddr": "3HbUi6Z8", "hw_model": "TRACKER_T1000_E" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db29e6a8", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3565921916, "to": 4294967295, "id": 1114347424, "rx_time": 1751577772, "rx_snr": -1.0, "rx_rssi": -106, "hop_limit": 4, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 120, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216434386261363763120f4d65736874617374696320613637631a04613637632206dc76d48ba67c284742202b321b4b6b51aa96857b8e6ed776c2580f6251bdc93dbda95d2e99e291458725", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!d48ba67c", "long_name": "Meshtastic a67c", "short_name": "a67c", "macaddr": "3HbUi6Z8", "hw_model": "TRACKER_T1000_E", "public_key": "KzIbS2tRqpaFe45u13bCWA9iUb3JPb2pXS6Z4pFFhyU=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (78 bytes)
0a09216434386261363763120f4d65736874617374696320613637631a04613637632206dc76d48ba67c284742202b321b4b6b51aa96857b8e6ed776c2580f6251bdc93dbda95d2e99e291458725
Hex Analysis:
Size:78 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 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
SkG@Home 🗼🌐 (SkGH) Primary 0.000s
Reference 		-106.0 dBm -1.00 dB 1 LongFast 2025-07-03 21:22:53 Current
Perseo 🗼 (nvm1) -0.343s
Before 		-98.0 dBm -3.50 dB 1 LongFast 2025-07-03 21:22:52 View
Zion 🗼 (Zion) +0.013s
After 		-106.0 dBm -17.50 dB 1 LongFast 2025-07-03 21:22:53 View
Venturada2🗼🌐☀️ (Vb2) +2.229s
After 		-101.0 dBm -5.75 dB 2 LongFast 2025-07-03 21:22:55 View
Wake Up, Neo...📡 (NEO) +2.234s
After 		-84.0 dBm 4.25 dB 2 LongFast 2025-07-03 21:22:55 View
Adri 📶 (adri) +2.538s
After 		-105.0 dBm -10.00 dB 2 LongFast 2025-07-03 21:22:55 View
GRN1-Base📡🌐 (GRN1) +2.569s
After 		-112.0 dBm -4.00 dB 2 LongFast 2025-07-03 21:22:55 View
Venturada base🗼🌐 (Vb) +2.576s
After 		-106.0 dBm 1.00 dB 2 LongFast 2025-07-03 21:22:55 View
MeshtTetuan1🗼🌐 (MT01) +2.582s
After 		-127.0 dBm -13.50 dB 2 LongFast 2025-07-03 21:22:55 View
Mec Rocket Meco (MRM) +8.685s
After 		-121.0 dBm -14.75 dB 3 LongFast 2025-07-03 21:23:01 View
[TLGO] Base 📡🌐 (TLG0) +15.648s
After 		-108.0 dBm -3.75 dB 4 LongFast 2025-07-03 21:23:08 View
11

Total Receptions

11

Unique Gateways