Packet #2736642 Success

NODEINFO_APP packet from KO4TSM Hosner Mountain (ec74) to !ffffffff

1
Total Receptions
1
Unique Gateways
0
Hop Count
89
Payload Bytes
Packet Information
Database ID: 2736642
Mesh Packet ID: 0xbdc010d8
Used for correlation across gateways
Timestamp: 2025-11-25 14:39:20 UTC
From Node: KO4TSM Hosner Mountain (ec74)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Cams Rak4631 (CARA)
Channel: LongFast
RSSI: -117 dBm
SNR: -7.75 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 74 ec74
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: 89 bytes
Decoded: Yes
Decoded Data:
Long Name:KO4TSM Hosner Mountain
Short Name:ec74
Node ID:!b202ec74
MAC Address:7hSyAux0
Hardware:SEEED_SOLAR_NODE
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:89 bytes
Gateway:!953f7321
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !953f7321
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (89 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2986536052
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 89 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -117.0 dBm
Signal strength at gateway 		int32
rx_snr -7.75 dB
Signal quality at gateway 		float
rx_time 1764081662
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 116
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1764081560.53249
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)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !953f7321
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -117.0 dBm
SNR: -7.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:89 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!b202ec74", "long_name": "KO4TSM Hosner Mountain", "short_name": "ec74", "macaddr": "7hSyAux0", "hw_model": "SEEED_SOLAR_NODE" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!953f7321", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2986536052, "to": 4294967295, "id": 3183481048, "rx_time": 1764081662, "rx_snr": -7.75, "rx_rssi": -117, "hop_limit": 7, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 116, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921623230326563373412164b4f3454534d20486f736e6572204d6f756e7461696e1a04656337342206ee14b202ec74285f38024220ec47198397101eea4b3fc3fc6b0f7e6ca97144932b9d0fee75ed35897efa612b4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!b202ec74", "long_name": "KO4TSM Hosner Mountain", "short_name": "ec74", "macaddr": "7hSyAux0", "hw_model": "SEEED_SOLAR_NODE", "role": "ROUTER", "public_key": "7EcZg5cQHupLP8P8aw9+bKlxRJMrnQ/ude01iX76YSs=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (89 bytes)
0a0921623230326563373412164b4f3454534d20486f736e6572204d6f756e7461696e1a04656337342206ee14b202ec74285f38024220ec47198397101eea4b3fc3fc6b0f7e6ca97144932b9d0fee75ed35897efa612b4801
Hex Analysis:
Size:89 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 Relay Channel Timestamp Actions
Cams Rak4631 (CARA) Primary 0.000s
Reference 		-117.0 dBm -7.75 dB 0 74 ec74 LongFast 2025-11-25 14:39:20 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways