Packet #173518 Success

TELEMETRY_APP packet from Undert@ker 🏰 (UA) to !ffffffff

4
Total Receptions
2
Unique Gateways
0
Hop Count
29
Payload Bytes
Packet Information
Database ID: 173518
Mesh Packet ID: 0xc43eaf1e
Used for correlation across gateways
Timestamp: 2025-09-10 12:07:14 UTC
From Node: Undert@ker 🏰 (UA)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Undert@ker 🏰 (UA)
Channel: Bulgaria
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Payload Data
Protocol: TELEMETRY_APP
Size: 29 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.26 V
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:29 bytes
Gateway:!a0cb658c
Channel:Bulgaria
Payload Type:TELEMETRY_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: Bulgaria
+ 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 !a0cb658c
Node ID format
channel_id Bulgaria
packet MeshPacket (29 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2697684364
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 29 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
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 1757495207
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 140
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757495234.788609
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: Bulgaria
  • ✓ 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: !a0cb658c
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:29 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1757495207, "device_metrics": { "battery_level": 101, "voltage": 4.256, "channel_utilization": 0.0, "air_util_tx": 0.003972222, "uptime_seconds": 2756899 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb658c", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697684364, "to": 4294967295, "id": 3292442398, "rx_time": 1757495207, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 140, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0da73fc1681216086515273188401d00000000256a29823b28a3a2a801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1757495207, "device_metrics": { "battery_level": 101, "voltage": 4.256, "channel_utilization": 0.0, "air_util_tx": 0.003972222, "uptime_seconds": 2756899 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (29 bytes)
0da73fc1681216086515273188401d00000000256a29823b28a3a2a801
Hex Analysis:
Size:29 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 Channel Timestamp Actions
Undert@ker 🏰 (UA) Primary 0.000s
Reference 		Unknown Unknown 0 Bulgaria 2025-09-10 12:07:14 Current
Undert@ker 🏰 (UA) -0.132s
Before 		Unknown Unknown 0 Bulgaria 2025-09-10 12:07:14 View
Undert@ker ✈️ (UT) +15038.734s
After 		-96.0 dBm 11.25 dB 0 Bulgaria 2025-09-10 16:17:53 View
Undert@ker ✈️ (UT) +15039.344s
After 		-96.0 dBm 11.25 dB 0 Bulgaria 2025-09-10 16:17:54 View
4

Total Receptions

2

Unique Gateways