Packet #3697860 Success

TELEMETRY_APP packet from K2XAP R1int MF (XAPM) to !ffffffff

4
Total Receptions
4
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 3697860
Mesh Packet ID: 0x46cf1656
Used for correlation across gateways
Timestamp: 2025-12-16 19:28:24 UTC
From Node: K2XAP R1int MF (XAPM)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: K2XAP R1int MF (XAPM)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
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: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:53%
Voltage:3.75 V
Channel Usage:0.2%
Air Util TX:0.0%
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:28 bytes
Gateway:!41c3cc1b
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 MediumFast
packet MeshPacket (28 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 67
TELEMETRY_APP
enum
decoded.payload_length 28 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 Not set int32
rx_snr Not set float
rx_time 1765913454
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 1765913304.111251
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: MediumFast
  • ✓ 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:TELEMETRY_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1765913454, "device_metrics": { "battery_level": 53, "voltage": 3.748, "channel_utilization": 0.19833334, "air_util_tx": 0.031833332, "uptime_seconds": 346829 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!41c3cc1b", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1103350811, "to": 4294967295, "id": 1187976790, "rx_time": 1765913454, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "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": 67, "payload": "0d6eb3416912150835153bdf6f401de5174b3e25ab63023d28cd9515", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765913454, "device_metrics": { "battery_level": 53, "voltage": 3.748, "channel_utilization": 0.19833334, "air_util_tx": 0.031833332, "uptime_seconds": 346829 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d6eb3416912150835153bdf6f401de5174b3e25ab63023d28cd9515
Hex Analysis:
Size:28 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
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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 MF (XAPM) Primary 0.000s
Reference
Unknown Unknown 0 1b XAPM MediumFast 2025-12-16 19:28:24 UTC Current
CmWx MF Test (CmW2) +0.105s
After
-58.0 dBm 10.25 dB 0 1b XAPM MediumFast 2025-12-16 19:28:24 UTC View
_pft@mf (_pft) +1.053s
After
-42.0 dBm 10.75 dB 1 1c pb! MediumFast 2025-12-16 19:28:25 UTC View
Poncho@PTSD | MF (^_^) +689.606s
After
-51.0 dBm 10.75 dB 1 1c pb! MediumFast 2025-12-16 19:39:53 UTC View
4

Total Receptions

4

Unique Gateways