Packet #553695 Success

NODEINFO_APP packet from NCHK brsk (brs1) to Meshtastic 9c25 (9c25)

3
Total Receptions
3
Unique Gateways
7
Hop Count
74
Payload Bytes
Packet Information
Database ID: 553695
Mesh Packet ID: 0x8eb3d55c
Used for correlation across gateways
Timestamp: 2026-03-15 09:13:12 UTC
From Node: NCHK brsk (brs1)
To Node: Meshtastic 9c25 (9c25)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: NCHK brsk (brs1)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 7/7 hops
Start: 7, Limit: 0
Relay Node: 3d brs1
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: 74 bytes
Decoded: Yes
Decoded Data:
Long Name:NCHK brsk
Short Name:brs1
Node ID:!7cbd853d
MAC Address:7E98vYU9
Hardware:NRF52_PROMICRO_DIY
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:74 bytes
Gateway:!7cbd853d
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:7 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !7cbd853d
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (74 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2092795197
Source node ID 		uint32
to 2449644581
Target node ID 		uint32
decoded.portnum NODEINFO_APP
NODEINFO_APP 		enum
decoded.payload_length 74 bytes size
hop_limit Not set uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 7
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1773565983
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority BACKGROUND
Packet priority level 		enum
delayed Not set enum
channel 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 61
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (7 hops)
MQTT-Specific Fields
Gateway ID: !7cbd853d
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:74 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!7cbd853d", "long_name": "NCHK brsk", "short_name": "brs1", "macaddr": "7E98vYU9", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2092795197, "to": 2449644581, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhN2NiZDg1M2QSCU5DSEsgYnJzaxoEYnJzMSIG7E98vYU9KD9CIL0NEHRg1wPJeJrBge7FCFjv76sVfYwZ2PZiRx6ZcDoWSAA=", "want_response": true, "bitfield": 3 }, "id": 2394150236, "rx_time": 1773565983, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 61 }, "channel_id": "LongFast", "gateway_id": "!7cbd853d" }, "mesh_packet": { "from": 2092795197, "to": 2449644581, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhN2NiZDg1M2QSCU5DSEsgYnJzaxoEYnJzMSIG7E98vYU9KD9CIL0NEHRg1wPJeJrBge7FCFjv76sVfYwZ2PZiRx6ZcDoWSAA=", "want_response": true, "bitfield": 3, "parsed_payload": { "id": "!7cbd853d", "long_name": "NCHK brsk", "short_name": "brs1", "macaddr": "7E98vYU9", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "vQ0QdGDXA8l4msGB7sUIWO/vqxV9jBnY9mJHHplwOhY=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 2394150236, "rx_time": 1773565983, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 61 } }
Raw Packet Data (74 bytes)
0a0921376362643835336412094e43484b206272736b1a04627273312206ec4f7cbd853d283f4220bd0d107460d703c9789ac181eec50858efefab157d8c19d8f662471e99703a164800
Hex Analysis:
Size:74 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 Relay Channel Timestamp Actions
NCHK brsk (brs1) Primary 0.000s
Reference 		Unknown Unknown 7 3d brs1 LongFast 2026-03-15 09:13:12 UTC Current
7 hops Gateways that received this packet after 7 hops
NCHK brsk (brsk) +10.432s
After 		-28.0 dBm 6.25 dB 7 3d brs1 LongFast 2026-03-15 09:13:22 UTC View
AZ3LIT (AZLT) +7789.349s
After 		-42.0 dBm 6.50 dB 7 4c LongFast 2026-03-15 11:23:01 UTC View
3

Total Receptions

3

Unique Gateways