Packet #2341606 Success

TELEMETRY_APP packet from EHV-BRL-33m S&F ✅ (7.2) (Boca) to !ffffffff

26
Total Receptions
24
Unique Gateways
4
Hop Count
28
Payload Bytes
Packet Information
Database ID: 2341606
Mesh Packet ID: 0x51ead848
Used for correlation across gateways
Timestamp: 2025-08-14 01:55:11 UTC
From Node: EHV-BRL-33m S&F ✅ (7.2) (Boca)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 5578 (5578)
Channel: LongFast
RSSI: -139 dBm
SNR: -17.25 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:100%
Voltage:4.17 V
Channel Usage:23.8%
Air Util TX:4.0%
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:!a4505578
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a4505578
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3774230072
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 Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -139.0 dBm
Signal strength at gateway 		int32
rx_snr -17.25 dB
Signal quality at gateway 		float
rx_time 1755129305
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 31
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1755129311.2779994
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a4505578
Signal Metrics: RSSI: -139.0 dBm
SNR: -17.25 dB
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": 1755129295, "device_metrics": { "battery_level": 100, "voltage": 4.167, "channel_utilization": 23.805, "air_util_tx": 4.0109444, "uptime_seconds": 1589514 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a4505578", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3774230072, "to": 4294967295, "id": 1374345288, "rx_time": 1755129305, "rx_snr": -17.25, "rx_rssi": -139, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 31, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dcf259d681215086415105885401da470be4125a8598040288a8261", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1755129295, "device_metrics": { "battery_level": 100, "voltage": 4.167, "channel_utilization": 23.805, "air_util_tx": 4.0109444, "uptime_seconds": 1589514 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dcf259d681215086415105885401da470be4125a8598040288a8261
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

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
Meshtastic 5578 (5578) Primary 0.000s
Reference 		-139.0 dBm -17.25 dB 4 LongFast 2025-08-14 01:55:11 Current
No13 Oirschot (OIR1) -10.610s
Before 		-123.0 dBm -12.75 dB 0 LongFast 2025-08-14 01:55:00 View
PA3JH 🗼 (2.7.3) (3JH2) -10.605s
Before 		-97.0 dBm -1.50 dB 0 LongFast 2025-08-14 01:55:00 View
Afrithon (afrt) -9.181s
Before 		-105.0 dBm -5.50 dB 1 LongFast 2025-08-14 01:55:02 View
MeshNet (GS-D) -8.463s
Before 		Unknown Unknown 2 LongFast 2025-08-14 01:55:02 View
MeshNet (GS-D) -8.449s
Before 		Unknown Unknown 2 LongFast 2025-08-14 01:55:02 View
Hendrik ido ambacht 3 (Hia3) -8.331s
Before 		-136.0 dBm -13.25 dB 1 LongFast 2025-08-14 01:55:02 View
MeshNet.NL (GS0D) -8.315s
Before 		-127.0 dBm -17.00 dB 1 LongFast 2025-08-14 01:55:02 View
MeshNet.NL (GS0D) -8.295s
Before 		-127.0 dBm -17.00 dB 1 LongFast 2025-08-14 01:55:02 View
013FvSBase-Meshtastic (4d10) -8.197s
Before 		-123.0 dBm -11.50 dB 1 LongFast 2025-08-14 01:55:03 View
dJoris 📡🏠🌐 StaRF (j8bc) -7.105s
Before 		-106.0 dBm 0.25 dB 2 LongFast 2025-08-14 01:55:04 View
TeQ T114 (Teq2) -6.973s
Before 		-63.0 dBm 5.75 dB 2 LongFast 2025-08-14 01:55:04 View
MT Node Pey (PEY) -5.791s
Before 		-114.0 dBm -8.25 dB 2 LongFast 2025-08-14 01:55:05 View
Leimuiden - Bas (LMDN) -4.490s
Before 		-127.0 dBm -18.25 dB 3 LongFast 2025-08-14 01:55:06 View
Sciuro Home (🏠) -4.357s
Before 		-109.0 dBm -6.75 dB 3 LongFast 2025-08-14 01:55:06 View
Ams Zuidas Base (AZ4) -4.119s
Before 		-112.0 dBm -20.50 dB 3 LongFast 2025-08-14 01:55:07 View
Sjaak500's Relay Station (s500) -3.722s
Before 		-126.0 dBm -15.75 dB 3 LongFast 2025-08-14 01:55:07 View
WST Drachten 1 (WST1) -3.709s
Before 		-123.0 dBm -19.25 dB 3 LongFast 2025-08-14 01:55:07 View
Base Station Relex Man 🏠🌐 (BSRM) -3.697s
Before 		-83.0 dBm 12.25 dB 3 LongFast 2025-08-14 01:55:07 View
WST Drachten 2 (WST2) -2.270s
Before 		-118.0 dBm -7.75 dB 4 LongFast 2025-08-14 01:55:09 View
PE1RWP (1RWP) -2.138s
Before 		-107.0 dBm -1.50 dB 4 LongFast 2025-08-14 01:55:09 View
HolRad (HlRd) -2.125s
Before 		-119.0 dBm -9.25 dB 3 LongFast 2025-08-14 01:55:09 View
PE1NTN-3 (NTN3) -0.442s
Before 		-107.0 dBm 1.00 dB 4 LongFast 2025-08-14 01:55:10 View
Xebia 🌐🔌 Hilversum Bridge (XHB) -0.133s
Before 		-89.0 dBm 9.75 dB 4 LongFast 2025-08-14 01:55:11 View
NL-3545-Knalliebar (KNB0) +2.189s
After 		-113.0 dBm -1.00 dB 4 LongFast 2025-08-14 01:55:13 View
Meshtastic a04c (a04c) +1112.078s
After 		-119.0 dBm -16.25 dB 2 LongFast 2025-08-14 02:13:43 View
26

Total Receptions

24

Unique Gateways