Packet #494785 Success

NODEINFO_APP packet from Meshtastic 540b (540b) to Meshtastic 352c (352c)

4
Total Receptions
4
Unique Gateways
7
Hop Count
80
Payload Bytes
Packet Information
Database ID: 494785
Mesh Packet ID: 0x321716b8
Used for correlation across gateways
Timestamp: 2026-03-07 09:09:55 UTC
From Node: Meshtastic 540b (540b)
To Node: Meshtastic 352c (352c)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 6f70 (6f70)
Channel: chat.cap.ru
RSSI: -117 dBm
SNR: 9.75 dBm
Hop Info: 7/7 hops
Start: 7, Limit: 0
Relay Node: 10 5a10
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: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 540b
Short Name:540b
Node ID:!afba540b
MAC Address:xHSvulQL
Hardware:HELTEC_MESH_NODE_T114
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:!55c66f70
Channel:chat.cap.ru
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
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (7 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !55c66f70
Node ID format
channel_id chat.cap.ru
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2948224011
Source node ID 		uint32
to 4203623724
Target node ID 		uint32
decoded.portnum NODEINFO_APP
NODEINFO_APP 		enum
decoded.payload_length 80 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 -117.0 dBm
Signal strength at gateway 		int32
rx_snr 9.75 dB
Signal quality at gateway 		float
rx_time 1772874595
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 105
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 16
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
  • ✓ Custom channel: chat.cap.ru
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (7 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !55c66f70
Signal Metrics: RSSI: -117.0 dBm
SNR: 9.75 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": "!afba540b", "long_name": "Meshtastic 540b", "short_name": "540b", "macaddr": "xHSvulQL", "hw_model": "HELTEC_MESH_NODE_T114" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2948224011, "to": 4203623724, "channel": 105, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhYWZiYTU0MGISD01lc2h0YXN0aWMgNTQwYhoENTQwYiIGxHSvulQLKEVCIBe4BJv5c9EdwraeyH6DfrV3mO3GTTusHqhvWQwOl00cSAA=", "want_response": true, "bitfield": 3 }, "id": 840373944, "rx_time": 1772874595, "rx_snr": 9.75, "rx_rssi": -117, "hop_start": 7, "relay_node": 16, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "chat.cap.ru", "gateway_id": "!55c66f70" }, "mesh_packet": { "from": 2948224011, "to": 4203623724, "channel": 105, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhYWZiYTU0MGISD01lc2h0YXN0aWMgNTQwYhoENTQwYiIGxHSvulQLKEVCIBe4BJv5c9EdwraeyH6DfrV3mO3GTTusHqhvWQwOl00cSAA=", "want_response": true, "bitfield": 3, "parsed_payload": { "id": "!afba540b", "long_name": "Meshtastic 540b", "short_name": "540b", "macaddr": "xHSvulQL", "hw_model": "HELTEC_MESH_NODE_T114", "public_key": "F7gEm/lz0R3Ctp7IfoN+tXeY7cZNO6weqG9ZDA6XTRw=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 840373944, "rx_time": 1772874595, "rx_snr": 9.75, "rx_rssi": -117, "hop_start": 7, "relay_node": 16, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (80 bytes)
0a09216166626135343062120f4d65736874617374696320353430621a04353430622206c474afba540b2845422017b8049bf973d11dc2b69ec87e837eb57798edc64d3bac1ea86f590c0e974d1c4800
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 Relay Channel Timestamp Actions
Meshtastic 6f70 (6f70) Primary 0.000s
Reference 		-117.0 dBm 9.75 dB 7 10 5a10 chat.cap.ru 2026-03-07 09:09:55 UTC Current
7 hops Gateways that received this packet after 7 hops
Meshtastic a5c0 (a5c0) -0.011s
Before 		-111.0 dBm 11.00 dB 7 10 5a10 chat.cap.ru 2026-03-07 09:09:55 UTC View
Meshtastic ed2f (ed2f) +5.139s
After 		-97.0 dBm 7.75 dB 7 70 6f70 , 8170 chat.cap.ru 2026-03-07 09:10:00 UTC View
Meshtastic 8170 (8170) -0.314s
Before 		-96.0 dBm -12.75 dB 7 10 5a10 chat.cap.ru 2026-03-07 09:09:55 UTC View
4

Total Receptions

4

Unique Gateways