Packet #13945838 Success

NODEINFO_APP packet from Meshtastic 2f27 (2f27) to !ffffffff

15
Total Receptions
15
Unique Gateways
4
Hop Count
80
Payload Bytes
Packet Information
Database ID: 13945838
Mesh Packet ID: 0x69afe202
Used for correlation across gateways
Timestamp: 2025-10-07 03:09:56 UTC
From Node: Meshtastic 2f27 (2f27)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumSlow
RSSI: -123 dBm
SNR: -12.75 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 2f27
Short Name:2f27
Node ID:!23032f27
MAC Address:3eojAy8n
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:80 bytes
Gateway:!c0c318a4
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 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 !c0c318a4
Node ID format
channel_id MediumSlow
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 587411239
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -123.0 dBm
Signal strength at gateway 		int32
rx_snr -12.75 dB
Signal quality at gateway 		float
rx_time 1759806668
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 52
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759806596.5734215
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)
  • ✓ Custom channel: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !c0c318a4
Signal Metrics: RSSI: -123.0 dBm
SNR: -12.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!23032f27", "long_name": "Meshtastic 2f27", "short_name": "2f27", "macaddr": "3eojAy8n", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 587411239, "to": 4294967295, "id": 1773134338, "rx_time": 1759806668, "rx_snr": -12.75, "rx_rssi": -123, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 52, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213233303332663237120f4d65736874617374696320326632371a04326632372206ddea23032f27283f42200a9aa9c92c1c9b4061c243a115bc36a1e85ded776afe2967fc58c53edcaa25004800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!23032f27", "long_name": "Meshtastic 2f27", "short_name": "2f27", "macaddr": "3eojAy8n", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "CpqpySwcm0BhwkOhFbw2oehd7Xdq/iln/FjFPtyqJQA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213233303332663237120f4d65736874617374696320326632371a04326632372206ddea23032f27283f42200a9aa9c92c1c9b4061c243a115bc36a1e85ded776afe2967fc58c53edcaa25004800
Hex Analysis:
Size:80 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
Meshtastic 18a4 (18a4) Primary 0.000s
Reference 		-123.0 dBm -12.75 dB 4 MediumSlow 2025-10-07 03:09:56 Current
GRN1-Base🗼🌐 (GRN1) -20.111s
Before 		-118.0 dBm -16.50 dB 0 MediumSlow 2025-10-07 03:09:36 View
Rodashtastic🗼🌐 (RDSt) -15.032s
Before 		-115.0 dBm -7.00 dB 1 MediumSlow 2025-10-07 03:09:41 View
[TLG] 📡🌐🔋🔌 (tlg0) -11.280s
Before 		-122.0 dBm -13.00 dB 1 MediumSlow 2025-10-07 03:09:45 View
Venturada2🗼🌐☀️ (Vb2) -10.637s
Before 		-84.0 dBm 7.25 dB 1 MediumSlow 2025-10-07 03:09:45 View
Carbon EA4HKU (C) -8.163s
Before 		-107.0 dBm 2.00 dB 2 MediumSlow 2025-10-07 03:09:48 View
Oxygen EA4HKU (O) -6.981s
Before 		-14.0 dBm 9.00 dB 3 MediumSlow 2025-10-07 03:09:49 View
Mec Rocket Meco (MRM) -6.502s
Before 		-82.0 dBm 8.75 dB 3 MediumSlow 2025-10-07 03:09:50 View
Quass001 ☄️ (Q001) -5.623s
Before 		-103.0 dBm 5.00 dB 4 MediumSlow 2025-10-07 03:09:50 View
Quass002 ☄️ (Q002) -4.602s
Before 		-114.0 dBm -4.75 dB 4 MediumSlow 2025-10-07 03:09:51 View
Zion 🗼 (Zion) -1.419s
Before 		-109.0 dBm -3.50 dB 4 MediumSlow 2025-10-07 03:09:55 View
Meshtastic 1760 (1760) -0.006s
Before 		-124.0 dBm -8.50 dB 4 MediumSlow 2025-10-07 03:09:56 View
Baldur Fijo (BalF) +29.709s
After 		-106.0 dBm -3.00 dB 3 MediumSlow 2025-10-07 03:10:26 View
tizon (Sylv) +29.730s
After 		-100.0 dBm 6.00 dB 3 MediumSlow 2025-10-07 03:10:26 View
Trasto 🐰 Va (trva) +41.637s
After 		-108.0 dBm -4.75 dB 4 MediumSlow 2025-10-07 03:10:38 View
15

Total Receptions

15

Unique Gateways