Packet #3384607 Success

NODEINFO_APP packet from K2XAP H2TinTheDark (XAPD) to FU-R-2 (FR2)

8
Total Receptions
8
Unique Gateways
0
Hop Count
85
Payload Bytes
Packet Information
Database ID: 3384607
Mesh Packet ID: 0x5538d7db
Used for correlation across gateways
Timestamp: 2025-12-10 20:26:42 UTC
From Node: K2XAP H2TinTheDark (XAPD)
To Node: FU-R-2 (FR2)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: K2XAP Gateway (XAPg)
Channel: LongFast
RSSI: -20 dBm
SNR: 6.25 dBm
Hop Info: 0/5 hops
Start: 5, Limit: 5
Relay Node: 06 XAPD
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: 85 bytes
Decoded: Yes
Decoded Data:
Long Name:K2XAP H2TinTheDark
Short Name:XAPD
Node ID:!3c436b06
MAC Address:xMQ8Q2sG
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:85 bytes
Gateway:!cb9be279
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !cb9be279
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (85 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1011051270
Source node ID 		uint32
to 1439125792
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 85 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -20.0 dBm
Signal strength at gateway 		int32
rx_snr 6.25 dB
Signal quality at gateway 		float
rx_time 1765398540
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 6
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765398402.7707515
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
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !cb9be279
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -20.0 dBm
SNR: 6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:85 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!3c436b06", "long_name": "K2XAP H2TinTheDark", "short_name": "XAPD", "macaddr": "xMQ8Q2sG", "hw_model": "HELTEC_MESH_NODE_T114" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!cb9be279", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1011051270, "to": 1439125792, "id": 1429788635, "rx_time": 1765398540, "rx_snr": 6.25, "rx_rssi": -20, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 6, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921336334333662303612124b3258415020483254696e5468654461726b1a04584150442206c4c43c436b0628453801422055bea06597f0017f0c895c743c2cdf50a00c5d2aa1375efb692b802c24b464224800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!3c436b06", "long_name": "K2XAP H2TinTheDark", "short_name": "XAPD", "macaddr": "xMQ8Q2sG", "hw_model": "HELTEC_MESH_NODE_T114", "role": "CLIENT_MUTE", "public_key": "Vb6gZZfwAX8MiVx0PCzfUKAMXSqhN177aSuALCS0ZCI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (85 bytes)
0a0921336334333662303612124b3258415020483254696e5468654461726b1a04584150442206c4c43c436b0628453801422055bea06597f0017f0c895c743c2cdf50a00c5d2aa1375efb692b802c24b464224800
Hex Analysis:
Size:85 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 Gateway (XAPg) Primary 0.000s
Reference 		-20.0 dBm 6.25 dB 0 06 XAPD LongFast 2025-12-10 20:26:42 UTC Current
ClaremontWx.net (CmWx) -0.070s
Before 		-39.0 dBm 5.50 dB 0 06 JLO2 , XAPD , RSR1 LongFast 2025-12-10 20:26:42 UTC View
Meshtastic 631c (GRBH) +565.890s
After 		-105.0 dBm -14.50 dB 3 2d 🪟 LongFast 2025-12-10 20:36:08 UTC View
Steiner Studios Tower (SST) +628.420s
After 		-106.0 dBm -1.75 dB 5 bb WyCt LongFast 2025-12-10 20:37:11 UTC View
25 Washington Ave (25WA) +738.572s
After 		-75.0 dBm -6.00 dB 5 c9 Penn LongFast 2025-12-10 20:39:01 UTC View
Izutsumi - seano@masto.nyc (izu) +738.877s
After 		-86.0 dBm 4.00 dB 5 c9 Penn LongFast 2025-12-10 20:39:01 UTC View
Claudiopolis-440c (440c) +739.008s
After 		-88.0 dBm -3.25 dB 5 c9 Penn , JLX3 LongFast 2025-12-10 20:39:01 UTC View
OC1 (73ca) +867.429s
After 		-114.0 dBm -8.75 dB 5 84 LongFast 2025-12-10 20:41:10 UTC View
8

Total Receptions

8

Unique Gateways