Packet #2788470 Success

NODEINFO_APP packet from Bridge (ATAK) to Solar@zAlex (@le2)

21
Total Receptions
8
Unique Gateways
3
Hop Count
71
Payload Bytes
Packet Information
Database ID: 2788470
Mesh Packet ID: 0xb7ff0240
Used for correlation across gateways
Timestamp: 2025-07-04 12:54:17 UTC
From Node: Bridge (ATAK)
To Node: Solar@zAlex (@le2)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Wake Up, Neo...📡 (NEO)
Channel: Iberia
RSSI: -94 dBm
SNR: -3.75 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 71 bytes
Decoded: Yes
Decoded Data:
Long Name:Bridge
Short Name:ATAK
Node ID:!43b587d4
MAC Address:SMpDtYfU
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:71 bytes
Gateway:!a2e17690
Channel:Iberia
Payload Type:NODEINFO_APP
Hop Count:3 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a2e17690
Node ID format
channel_id Iberia
packet MeshPacket (71 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1135970260
Source node ID 		uint32
to 2833931354
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 71 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -94.0 dBm
Signal strength at gateway 		int32
rx_snr -3.75 dB
Signal quality at gateway 		float
rx_time 1751633656
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 66
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1751633657.6851108
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
  • ✓ Custom channel: Iberia
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a2e17690
Signal Metrics: RSSI: -94.0 dBm
SNR: -3.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:71 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!43b587d4", "long_name": "Bridge", "short_name": "ATAK", "macaddr": "SMpDtYfU", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a2e17690", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1135970260, "to": 2833931354, "id": 3086942784, "rx_time": 1751633656, "rx_snr": -3.75, "rx_rssi": -94, "hop_limit": 2, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 66, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343362353837643412064272696467651a044154414b220648ca43b587d4282b42209b6219fd119d135f5532d2ec7be15329555f527e06f8db6fb569f2e73651e4224800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!43b587d4", "long_name": "Bridge", "short_name": "ATAK", "macaddr": "SMpDtYfU", "hw_model": "HELTEC_V3", "public_key": "m2IZ/RGdE19VMtLse+FTKVVfUn4G+NtvtWny5zZR5CI=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (71 bytes)
0a0921343362353837643412064272696467651a044154414b220648ca43b587d4282b42209b6219fd119d135f5532d2ec7be15329555f527e06f8db6fb569f2e73651e4224800
Hex Analysis:
Size:71 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
Wake Up, Neo...📡 (NEO) Primary 0.000s
Reference 		-94.0 dBm -3.75 dB 3 Iberia 2025-07-04 12:54:17 Current
Meshtastic c498📡🌐 (C498) -5.272s
Before 		-127.0 dBm -19.50 dB 1 Iberia 2025-07-04 12:54:12 View
Meshtastic c498📡🌐 (C498) -5.203s
Before 		-127.0 dBm -19.50 dB 1 Iberia 2025-07-04 12:54:12 View
Venturada base🗼🌐 (Vb) -5.119s
Before 		-118.0 dBm -7.00 dB 1 Iberia 2025-07-04 12:54:12 View
GRN1-Base📡🌐 (GRN1) -4.949s
Before 		-111.0 dBm -2.25 dB 1 Iberia 2025-07-04 12:54:12 View
Venturada base🗼🌐 (Vb) -4.054s
Before 		-118.0 dBm -7.00 dB 1 Iberia 2025-07-04 12:54:13 View
GRN1-Base📡🌐 (GRN1) -3.063s
Before 		-111.0 dBm -2.25 dB 1 Iberia 2025-07-04 12:54:14 View
Venturada2🗼🌐☀️ (Vb2) -2.220s
Before 		-98.0 dBm Unknown 2 Iberia 2025-07-04 12:54:15 View
Venturada2🗼🌐☀️ (Vb2) -1.168s
Before 		-98.0 dBm Unknown 2 Iberia 2025-07-04 12:54:16 View
Wake Up, Neo...📡 (NEO) -0.059s
Before 		-94.0 dBm -3.75 dB 3 Iberia 2025-07-04 12:54:17 View
Meshtastic c27c - 868 (DSU) +4.887s
After 		-95.0 dBm 0.25 dB 4 Iberia 2025-07-04 12:54:22 View
Meshtastic c27c - 868 (DSU) +4.940s
After 		-95.0 dBm 0.25 dB 4 Iberia 2025-07-04 12:54:22 View
Zion 🗼 (Zion) +4.987s
After 		-106.0 dBm -19.25 dB 4 Iberia 2025-07-04 12:54:22 View
Zion 🗼 (Zion) +6.044s
After 		-106.0 dBm -19.25 dB 4 Iberia 2025-07-04 12:54:23 View
Meshtastic bb44 (bb44) +1431.324s
After 		-139.0 dBm -12.25 dB 4 Iberia 2025-07-04 13:18:09 View
Meshtastic bb44 (bb44) +1431.381s
After 		-139.0 dBm -12.25 dB 4 Iberia 2025-07-04 13:18:09 View
Meshtastic bb44 (bb44) +1484.467s
After 		-139.0 dBm -12.25 dB 4 Iberia 2025-07-04 13:19:02 View
Meshtastic bb44 (bb44) +1513.512s
After 		-139.0 dBm -12.25 dB 4 Iberia 2025-07-04 13:19:31 View
Meshtastic bb44 (bb44) +1542.584s
After 		-139.0 dBm -12.25 dB 4 Iberia 2025-07-04 13:20:00 View
Meshtastic bb44 (bb44) +1571.614s
After 		-139.0 dBm -12.25 dB 4 Iberia 2025-07-04 13:20:29 View
Meshtastic bb44 (bb44) +1617.647s
After 		-139.0 dBm -12.25 dB 4 Iberia 2025-07-04 13:21:15 View
21

Total Receptions

8

Unique Gateways