Packet #14068295 Success

NODEINFO_APP packet from XiaoWatt c4c8 🌐🔌 (c4c8) to !ffffffff

12
Total Receptions
12
Unique Gateways
0
Hop Count
88
Payload Bytes
Packet Information
Database ID: 14068295
Mesh Packet ID: 0xb807a71f
Used for correlation across gateways
Timestamp: 2025-10-07 20:59:51 UTC
From Node: XiaoWatt c4c8 🌐🔌 (c4c8)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: [TLG] 📡🌐🔋🔌 (tlg0)
Channel: MediumSlow
RSSI: -121 dBm
SNR: -14.25 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: NODEINFO_APP
Size: 88 bytes
Decoded: Yes
Decoded Data:
Long Name:XiaoWatt c4c8 🌐🔌
Short Name:c4c8
Node ID:!3387c4c8
MAC Address:ZOgzh8TI
Hardware:PRIVATE_HW
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:88 bytes
Gateway:!da638a24
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da638a24
Node ID format
channel_id MediumSlow
packet MeshPacket (88 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 864535752
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 88 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -121.0 dBm
Signal strength at gateway 		int32
rx_snr -14.25 dB
Signal quality at gateway 		float
rx_time 1759870788
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 200
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759870791.1467893
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da638a24
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -121.0 dBm
SNR: -14.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:88 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!3387c4c8", "long_name": "XiaoWatt c4c8 🌐🔌", "short_name": "c4c8", "macaddr": "ZOgzh8TI", "hw_model": "PRIVATE_HW" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 864535752, "to": 4294967295, "id": 3087509279, "rx_time": 1759870788, "rx_snr": -14.25, "rx_rssi": -121, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 200, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921333338376334633812165869616f57617474206334633820f09f8c90f09f948c1a0463346338220664e83387c4c828ff01422011a695adba06fc1f259f21c37edd91e759233c1166791ef68b21d3c3f0c96c384800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!3387c4c8", "long_name": "XiaoWatt c4c8 🌐🔌", "short_name": "c4c8", "macaddr": "ZOgzh8TI", "hw_model": "PRIVATE_HW", "public_key": "EaaVrboG/B8lnyHDft2R51kjPBFmeR72iyHTw/DJbDg=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (88 bytes)
0a0921333338376334633812165869616f57617474206334633820f09f8c90f09f948c1a0463346338220664e83387c4c828ff01422011a695adba06fc1f259f21c37edd91e759233c1166791ef68b21d3c3f0c96c384800
Hex Analysis:
Size:88 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
[TLG] 📡🌐🔋🔌 (tlg0) Primary 0.000s
Reference 		-121.0 dBm -14.25 dB 0 MediumSlow 2025-10-07 20:59:51 Current
XiaoWatt c4c8 🌐🔌 (c4c8) -1.108s
Before 		Unknown Unknown 0 MediumSlow 2025-10-07 20:59:50 View
Antonio 82d4 (82d4) +1.626s
After 		-122.0 dBm -13.00 dB 1 MediumSlow 2025-10-07 20:59:52 View
Baldur Fijo (BalF) +3.227s
After 		-100.0 dBm -7.00 dB 2 MediumSlow 2025-10-07 20:59:54 View
tizon (Sylv) +3.239s
After 		-103.0 dBm 5.25 dB 2 MediumSlow 2025-10-07 20:59:54 View
🌐Charly Unid Movil🛰 (C181) +4.998s
After 		-29.0 dBm 8.25 dB 3 MediumSlow 2025-10-07 20:59:56 View
Meshtastic 2688 (2688) +5.420s
After 		-134.0 dBm -12.25 dB 2 MediumSlow 2025-10-07 20:59:56 View
Zion 🗼 (Zion) +7.105s
After 		-107.0 dBm -11.75 dB 4 MediumSlow 2025-10-07 20:59:58 View
Quass001 ☄️ (Q001) +8.163s
After 		-103.0 dBm 2.25 dB 4 MediumSlow 2025-10-07 20:59:59 View
Quass002 ☄️ (Q002) +8.520s
After 		-104.0 dBm 4.50 dB 4 MediumSlow 2025-10-07 20:59:59 View
Venturada2🗼🌐☀️ (Vb2) +11.361s
After 		-93.0 dBm -0.50 dB 4 MediumSlow 2025-10-07 21:00:02 View
Machu Pichu (MaPi) +11.640s
After 		-103.0 dBm -6.00 dB 4 MediumSlow 2025-10-07 21:00:02 View
12

Total Receptions

12

Unique Gateways