Packet #3349353 Success

NODEINFO_APP packet from numerobis (nmrb) to Karman’s Tube Solar 0️⃣🗼 (KTS0)

1
Total Receptions
1
Unique Gateways
3
Hop Count
75
Payload Bytes
Packet Information
Database ID: 3349353
Mesh Packet ID: 0x0be1fe05
Used for correlation across gateways
Timestamp: 2025-07-10 22:22:02 UTC
From Node: numerobis (nmrb)
To Node: Karman’s Tube Solar 0️⃣🗼 (KTS0)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: S2_Node (S2)
Channel: LongFast
RSSI: -128 dBm
SNR: -19.25 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 75 bytes
Decoded: Yes
Decoded Data:
Long Name:numerobis
Short Name:nmrb
Node ID:!43b59978
MAC Address:SMpDtZl4
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:75 bytes
Gateway:!fa68b1d0
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:3 / 3
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
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !fa68b1d0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (75 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1135974776
Source node ID 		uint32
to 297259690
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 75 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 -128.0 dBm
Signal strength at gateway 		int32
rx_snr -19.25 dB
Signal quality at gateway 		float
rx_time 1752186120
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 170
Next hop node ID 		uint32
relay_node 211
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1752186122.4223535
Unix timestamp 		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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !fa68b1d0
Signal Metrics: RSSI: -128.0 dBm
SNR: -19.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:75 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!43b59978", "long_name": "numerobis ", "short_name": "nmrb", "macaddr": "SMpDtZl4", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!fa68b1d0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1135974776, "to": 297259690, "id": 199360005, "rx_time": 1752186120, "rx_snr": -19.25, "rx_rssi": -128, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 170, "relay_node": 211, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213433623539393738120a6e756d65726f626973201a046e6d7262220648ca43b59978282b42205eacbf29dd2c4dbeb5c5c73377a1f2b005a2905852027559512c5393b69ad04f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!43b59978", "long_name": "numerobis ", "short_name": "nmrb", "macaddr": "SMpDtZl4", "hw_model": "HELTEC_V3", "public_key": "Xqy/Kd0sTb61xcczd6HysAWikFhSAnVZUSxTk7aa0E8=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (75 bytes)
0a09213433623539393738120a6e756d65726f626973201a046e6d7262220648ca43b59978282b42205eacbf29dd2c4dbeb5c5c73377a1f2b005a2905852027559512c5393b69ad04f4800
Hex Analysis:
Size:75 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
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
S2_Node (S2) Primary 0.000s
Reference 		-128.0 dBm -19.25 dB 3 LongFast 2025-07-10 22:22:02 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways