Packet #2806977 Success

NODEINFO_APP packet from K2XAP R1int MS (XAPM) to !ffffffff

4
Total Receptions
4
Unique Gateways
0
Hop Count
81
Payload Bytes
Packet Information
Database ID: 2806977
Mesh Packet ID: 0xf4f6ee68
Used for correlation across gateways
Timestamp: 2025-11-27 12:51:45 UTC
From Node: K2XAP R1int MS (XAPM)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: K2XAP R1int MS (XAPM)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Relay Node: 1b XAPM
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: 81 bytes
Decoded: Yes
Decoded Data:
Long Name:K2XAP R1int MS
Short Name:XAPM
Node ID:!41c3cc1b
MAC Address:4lpBw8wb
Hardware:RAK4631
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:81 bytes
Gateway:!41c3cc1b
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
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !41c3cc1b
Node ID format
channel_id MediumSlow
packet MeshPacket (81 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1103350811
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 81 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 Not set int32
rx_snr Not set float
rx_time 1764248013
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 27
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1764247905.0205154
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
MQTT-Specific Fields
Gateway ID: !41c3cc1b
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:81 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!41c3cc1b", "long_name": "K2XAP R1int MS", "short_name": "XAPM", "macaddr": "4lpBw8wb", "hw_model": "RAK4631" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!41c3cc1b", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1103350811, "to": 4294967295, "id": 4109823592, "rx_time": 1764248013, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 27, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213431633363633162120e4b32584150205231696e74204d531a045841504d2206e25a41c3cc1b280938014220817f7161b78aa032d0273a7a39ca5866fbdcd12a0cdd24098c5f6ea874a150614800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!41c3cc1b", "long_name": "K2XAP R1int MS", "short_name": "XAPM", "macaddr": "4lpBw8wb", "hw_model": "RAK4631", "role": "CLIENT_MUTE", "public_key": "gX9xYbeKoDLQJzp6OcpYZvvc0SoM3SQJjF9uqHShUGE=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (81 bytes)
0a09213431633363633162120e4b32584150205231696e74204d531a045841504d2206e25a41c3cc1b280938014220817f7161b78aa032d0273a7a39ca5866fbdcd12a0cdd24098c5f6ea874a150614800
Hex Analysis:
Size:81 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
K2XAP R1int MS (XAPM) Primary 0.000s
Reference 		Unknown Unknown 0 1b XAPM MediumSlow 2025-11-27 12:51:45 UTC Current
K2XAP V4 MS (XAP4) +0.683s
After 		-62.0 dBm 4.50 dB 0 1b XAPM MediumSlow 2025-11-27 12:51:45 UTC View
K2XAP deck (XAPk) +0.711s
After 		-68.0 dBm 8.25 dB 0 1b XAPM MediumSlow 2025-11-27 12:51:45 UTC View
Poncho@pft! | MedSlow (pft!) +1.709s
After 		-102.0 dBm 3.50 dB 1 a0 XAP4 MediumSlow 2025-11-27 12:51:46 UTC View
4

Total Receptions

4

Unique Gateways