Packet #2870866 Success

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

4
Total Receptions
4
Unique Gateways
1
Hop Count
81
Payload Bytes
Packet Information
Database ID: 2870866
Mesh Packet ID: 0x8c3b64b4
Used for correlation across gateways
Timestamp: 2025-11-29 00:51:44 UTC
From Node: K2XAP R1int MS (XAPM)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 61d0 (61d0)
Channel: MediumSlow
RSSI: -116 dBm
SNR: -12.0 dBm
Hop Info: 1/4 hops
Start: 4, Limit: 3
Relay Node: a0 XAP4
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:!9e7661d0
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:1 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e7661d0
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 3
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -116.0 dBm
Signal strength at gateway 		int32
rx_snr -12.00 dB
Signal quality at gateway 		float
rx_time 1764377612
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 160
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1764377504.4812741
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e7661d0
Signal Metrics: RSSI: -116.0 dBm
SNR: -12.00 dB
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": "!9e7661d0", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1103350811, "to": 4294967295, "id": 2352702644, "rx_time": 1764377612, "rx_snr": -12.0, "rx_rssi": -116, "hop_limit": 3, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 160, "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
Meshtastic 61d0 (61d0) Primary 0.000s
Reference 		-116.0 dBm -12.00 dB 1 a0 XAP4 MediumSlow 2025-11-29 00:51:44 UTC Current
K2XAP R1int MS (XAPM) -1.685s
Before 		Unknown Unknown 0 1b XAPM MediumSlow 2025-11-29 00:51:42 UTC View
K2XAP V4 MS (XAP4) -1.204s
Before 		-46.0 dBm 7.50 dB 0 1b XAPM MediumSlow 2025-11-29 00:51:43 UTC View
Poncho@pft! | MedSlow (pft!) +0.543s
After 		-112.0 dBm -1.75 dB 1 a0 XAP4 MediumSlow 2025-11-29 00:51:45 UTC View
4

Total Receptions

4

Unique Gateways