Packet #29703849 Success

TELEMETRY_APP packet from EC4TR Pedrezuela (b76a) to !ffffffff

18
Total Receptions
18
Unique Gateways
2
Hop Count
28
Payload Bytes
Packet Information
Database ID: 29703849
Mesh Packet ID: 0xfc6fc9f2
Used for correlation across gateways
Timestamp: 2025-12-24 00:16:02 UTC
From Node: EC4TR Pedrezuela (b76a)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: tizon (Sylv)
Channel: MediumFast
RSSI: -121 dBm
SNR: -12.5 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: 2d SkyB
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:75%
Voltage:3.95 V
Channel Usage:7.3%
Air Util TX:0.6%
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:!9e7809e8
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !9e7809e8
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 2654844778
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 1
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -121.0 dBm
Signal strength at gateway 		int32
rx_snr -12.50 dB
Signal quality at gateway 		float
rx_time 1766535362
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 45
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766535362.9054682
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e7809e8
Signal Metrics: RSSI: -121.0 dBm
SNR: -12.50 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": 1766535351, "device_metrics": { "battery_level": 75, "voltage": 3.949, "channel_utilization": 7.28, "air_util_tx": 0.629, "uptime_seconds": 880683 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7809e8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2654844778, "to": 4294967295, "id": 4235184626, "rx_time": 1766535362, "rx_snr": -12.5, "rx_rssi": -121, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 45, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0db7304b691215084b156abc7c401dc3f5e840252506213f28abe035", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1766535351, "device_metrics": { "battery_level": 75, "voltage": 3.949, "channel_utilization": 7.28, "air_util_tx": 0.629, "uptime_seconds": 880683 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0db7304b691215084b156abc7c401dc3f5e840252506213f28abe035
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 Relay Channel Timestamp Actions
tizon (Sylv) Primary 0.000s
Reference 		-121.0 dBm -12.50 dB 2 2d SkyB MediumFast 2025-12-24 00:16:02 UTC Current
Venturada2 🗼🌞 (Vb2) -3.856s
Before 		-84.0 dBm 1.25 dB 0 6a b76a MediumFast 2025-12-24 00:15:59 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -3.780s
Before 		-101.0 dBm -13.25 dB 0 6a b76a MediumFast 2025-12-24 00:15:59 UTC View
JAGO1_Cañaveral (JAGO) -3.555s
Before 		-123.0 dBm -14.25 dB 1 b0 Sir , PUPM , Vb2 MediumFast 2025-12-24 00:15:59 UTC View
Ocumare Norte🗼🌐 (RRN) -3.552s
Before 		-99.0 dBm -6.25 dB 1 b0 Sir , Vb2 MediumFast 2025-12-24 00:15:59 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -3.477s
Before 		-108.0 dBm -12.50 dB 0 6a b76a MediumFast 2025-12-24 00:15:59 UTC View
Villalbilla02 (VBV2) -3.454s
Before 		-122.0 dBm -12.50 dB 0 6a b76a MediumFast 2025-12-24 00:15:59 UTC View
Aldinra_1640_🗼_🌐 (AldB) -2.520s
Before 		-117.0 dBm -7.25 dB 1 f5 RPT4 MediumFast 2025-12-24 00:16:00 UTC View
Rodashtastic🗼🌐 (RDSt) -2.297s
Before 		-104.0 dBm 4.25 dB 2 e7 BJN MediumFast 2025-12-24 00:16:00 UTC View
Wake Up, Neo...📡 (NEO) -1.814s
Before 		-94.0 dBm -0.50 dB 2 ec JAS MediumFast 2025-12-24 00:16:01 UTC View
Meshtastic 1760 (1760) -1.784s
Before 		-130.0 dBm -9.50 dB 2 40 AldB MediumFast 2025-12-24 00:16:01 UTC View
Meshtastic 18a4 (18a4) -1.020s
Before 		-55.0 dBm 10.25 dB 3 60 1760 MediumFast 2025-12-24 00:16:01 UTC View
MOVIL 1 🟢 MANCHASTIC (MV1V) -0.776s
Before 		-122.0 dBm -13.00 dB 3 aa CR1 MediumFast 2025-12-24 00:16:02 UTC View
Meshtastic b2b4📡🌐 (b2b4) -0.352s
Before 		-114.0 dBm -13.75 dB 2 2d SkyB MediumFast 2025-12-24 00:16:02 UTC View
Skynet (Sky) -0.207s
Before 		-47.0 dBm 11.25 dB 2 2d SkyB MediumFast 2025-12-24 00:16:02 UTC View
🤖 Nicolas Cage 🌐 (Cage) -0.083s
Before 		-65.0 dBm 11.25 dB 2 2d SkyB MediumFast 2025-12-24 00:16:02 UTC View
0001 (49ac) -0.039s
Before 		-48.0 dBm 10.25 dB 2 2d SkyB MediumFast 2025-12-24 00:16:02 UTC View
Karabanchel_Baldur (KarB) +0.649s
After 		-98.0 dBm -1.25 dB 2 2d SkyB MediumFast 2025-12-24 00:16:03 UTC View
18

Total Receptions

18

Unique Gateways