Packet #13996962 Success

TELEMETRY_APP packet from Kala_Base_CL_๐ŸŒž๐Ÿก (KalB) to !ffffffff

20
Total Receptions
20
Unique Gateways
4
Hop Count
28
Payload Bytes
Packet Information
Database ID: 13996962
Mesh Packet ID: 0x127fbd73
Used for correlation across gateways
Timestamp: 2025-10-07 12:01:18 UTC
From Node: Kala_Base_CL_๐ŸŒž๐Ÿก (KalB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 2688 (2688)
Channel: MediumSlow
RSSI: -138 dBm
SNR: -14.25 dBm
Hop Info: 4/5 hops
Start: 5, Limit: 1
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:94%
Voltage:4.12 V
Channel Usage:2.4%
Air Util TX:0.3%
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:28 bytes
Gateway:!f9b02688
Channel:MediumSlow
Payload Type:TELEMETRY_APP
Hop Count:4 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
โš  Visible to all nodes on channel
โš  Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f9b02688
Node ID format
channel_id MediumSlow
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2305170954
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 5
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi -138.0 dBm
Signal strength at gateway
int32
rx_snr -14.25 dB
Signal quality at gateway
float
rx_time 1759838477
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 86
Relay node ID
uint32
tx_after Not set uint32
timestamp 1759838478.5931904
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Custom channel: MediumSlow
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Visible to all nodes on channel
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (4 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !f9b02688
Signal Metrics: RSSI: -138.0 dBm
SNR: -14.25 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": 1759838478, "device_metrics": { "battery_level": 94, "voltage": 4.118, "channel_utilization": 2.4066665, "air_util_tx": 0.32116666, "uptime_seconds": 416632 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f9b02688", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2305170954, "to": 4294967295, "id": 310361459, "rx_time": 1759838477, "rx_snr": -14.25, "rx_rssi": -138, "hop_limit": 1, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 86, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d0e01e5681215085e15a8c683401dd3061a4025f56fa43e28f8b619", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1759838478, "device_metrics": { "battery_level": 94, "voltage": 4.118, "channel_utilization": 2.4066665, "air_util_tx": 0.32116666, "uptime_seconds": 416632 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d0e01e5681215085e15a8c683401dd3061a4025f56fa43e28f8b619
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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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 2688 (2688) Primary 0.000s
Reference
-138.0 dBm -14.25 dB 4 MediumSlow 2025-10-07 12:01:18 Current
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) -3.614s
Before
-101.0 dBm -3.75 dB 1 MediumSlow 2025-10-07 12:01:14 View
[TLG] ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (tlg0) -3.611s
Before
-111.0 dBm -6.00 dB 1 MediumSlow 2025-10-07 12:01:14 View
Monolito (MoN) -3.266s
Before
-75.0 dBm 7.25 dB 2 MediumSlow 2025-10-07 12:01:15 View
Oxygen EA4HKU (O) -3.132s
Before
-108.0 dBm -3.50 dB 2 MediumSlow 2025-10-07 12:01:15 View
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -3.117s
Before
-102.0 dBm -3.75 dB 2 MediumSlow 2025-10-07 12:01:15 View
Carbon EA4HKU (C) -2.819s
Before
-108.0 dBm 1.75 dB 2 MediumSlow 2025-10-07 12:01:15 View
Baldur Fijo (BalF) -2.816s
Before
-115.0 dBm -10.75 dB 2 MediumSlow 2025-10-07 12:01:15 View
Meshtastic 1760 (1760) -2.746s
Before
-118.0 dBm -3.25 dB 2 MediumSlow 2025-10-07 12:01:15 View
Meshtastic 18a4 (18a4) -2.739s
Before
-122.0 dBm -12.50 dB 2 MediumSlow 2025-10-07 12:01:15 View
Ocumare_Base_๐Ÿ—ผ๐ŸŒ (CATA) -2.718s
Before
-120.0 dBm -13.00 dB 2 MediumSlow 2025-10-07 12:01:15 View
Quass002 โ˜„๏ธ (Q002) -2.352s
Before
-107.0 dBm 2.50 dB 2 MediumSlow 2025-10-07 12:01:16 View
Quass001 โ˜„๏ธ (Q001) -2.349s
Before
-108.0 dBm -0.75 dB 2 MediumSlow 2025-10-07 12:01:16 View
Mec Rocket Meco (MRM) -2.251s
Before
-82.0 dBm 8.75 dB 2 MediumSlow 2025-10-07 12:01:16 View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) -2.157s
Before
-114.0 dBm -6.50 dB 2 MediumSlow 2025-10-07 12:01:16 View
Antonio 82d4 (82d4) -1.382s
Before
-118.0 dBm -14.25 dB 3 MediumSlow 2025-10-07 12:01:17 View
tizon (Sylv) -1.235s
Before
-97.0 dBm 7.50 dB 2 MediumSlow 2025-10-07 12:01:17 View
๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181) -1.022s
Before
-118.0 dBm -11.25 dB 2 MediumSlow 2025-10-07 12:01:17 View
Zion ๐Ÿ—ผ (Zion) +0.800s
After
-102.0 dBm -13.75 dB 5 MediumSlow 2025-10-07 12:01:19 View
Getafe C191 (GTF) +11.308s
After
-126.0 dBm -15.25 dB 2 MediumSlow 2025-10-07 12:01:29 View
20

Total Receptions

20

Unique Gateways