Packet #28247008 Success

TELEMETRY_APP packet from Chamartin_BambuπŸ—Όβ˜€οΈ (RPT4) to !ffffffff

22
Total Receptions
22
Unique Gateways
2
Hop Count
28
Payload Bytes
Packet Information
Database ID: 28247008
Mesh Packet ID: 0xa5dadf71
Used for correlation across gateways
Timestamp: 2025-12-17 10:25:13 UTC
From Node: Chamartin_BambuπŸ—Όβ˜€οΈ (RPT4)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: [samsepi0l] πŸ“‘πŸŒ (tlg0)
Channel: MediumFast
RSSI: -75 dBm
SNR: -4.25 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Relay Node: fc 74fc , Anu2
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:98%
Voltage:4.17 V
Channel Usage:1.9%
Air Util TX:0.7%
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:28 bytes
Gateway:!69828c38
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ 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 !69828c38
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 2035064309
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 2
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -75.0 dBm
Signal strength at gateway
int32
rx_snr -4.25 dB
Signal quality at gateway
float
rx_time 1765967113
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 252
Relay node ID
uint32
tx_after Not set uint32
timestamp 1765967113.7562854
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Custom channel: MediumFast
  • βœ“ 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: !69828c38
Signal Metrics: RSSI: -75.0 dBm
SNR: -4.25 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": 1765967111, "device_metrics": { "battery_level": 98, "voltage": 4.171, "channel_utilization": 1.9383334, "air_util_tx": 0.71072227, "uptime_seconds": 1539799 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!69828c38", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2035064309, "to": 4294967295, "id": 2782584689, "rx_time": 1765967113, "rx_snr": -4.25, "rx_rssi": -75, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 252, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d078542691215086215d57885401d4f1bf83f25e5f1353f28d7fd5d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765967111, "device_metrics": { "battery_level": 98, "voltage": 4.171, "channel_utilization": 1.9383334, "air_util_tx": 0.71072227, "uptime_seconds": 1539799 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d078542691215086215d57885401d4f1bf83f25e5f1353f28d7fd5d
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 Relay Channel Timestamp Actions
[samsepi0l] πŸ“‘πŸŒ (tlg0) Primary 0.000s
Reference
-75.0 dBm -4.25 dB 2 fc 74fc , Anu2 MediumFast 2025-12-17 10:25:13 UTC Current
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -1.121s
Before
-99.0 dBm -3.75 dB 0 f5 RPT4 MediumFast 2025-12-17 10:25:12 UTC View
XiaoWatt c4c8 πŸŒπŸ”Œ (c4c8) -0.794s
Before
-78.0 dBm 9.00 dB 1 b0 Vbm , Vb2 MediumFast 2025-12-17 10:25:12 UTC View
Meshtastic 1760 (1760) -0.733s
Before
-118.0 dBm -3.00 dB 0 f5 RPT4 MediumFast 2025-12-17 10:25:13 UTC View
GRN1-BaseπŸ—ΌπŸŒ πŸ”‹ (GRN1) -0.446s
Before
-100.0 dBm -1.25 dB 1 b0 Vbm , Vb2 MediumFast 2025-12-17 10:25:13 UTC View
Meshtastic 18a4 (18a4) -0.307s
Before
Unknown Unknown 1 60 1760 MediumFast 2025-12-17 10:25:13 UTC View
Ocumare NorteπŸ—ΌπŸŒ (RRN) -0.121s
Before
-3.0 dBm 10.75 dB 2 6f RRN4 MediumFast 2025-12-17 10:25:13 UTC View
ETH Maverick (ET01) -0.117s
Before
-106.0 dBm -10.25 dB 1 61 TO1 MediumFast 2025-12-17 10:25:13 UTC View
Wake Up, Neo...πŸ“‘ (NEO) -0.115s
Before
-100.0 dBm -7.50 dB 0 f5 RPT4 MediumFast 2025-12-17 10:25:13 UTC View
Karabanchel_Baldur (KarB) +0.114s
After
-98.0 dBm -7.25 dB 2 90 C181 MediumFast 2025-12-17 10:25:13 UTC View
Eagle’s Nest (EAGL) +0.204s
After
-100.0 dBm 6.25 dB 2 48 SMR1 MediumFast 2025-12-17 10:25:13 UTC View
P3 iGate 🏠🌐 (P3N2) +0.542s
After
-36.0 dBm 11.25 dB 2 25 P3N1 MediumFast 2025-12-17 10:25:14 UTC View
Villarejo01 (VIL1) +0.612s
After
-35.0 dBm 11.00 dB 2 c6 d5c6 MediumFast 2025-12-17 10:25:14 UTC View
ETH Goose (ET03) +0.659s
After
-34.0 dBm 11.00 dB 2 41 ET01 MediumFast 2025-12-17 10:25:14 UTC View
Varela Bot πŸ‘πŸ€– (πŸ€–) +0.791s
After
-80.0 dBm 8.75 dB 2 1c 🏑 MediumFast 2025-12-17 10:25:14 UTC View
πŸ€– Nicolas Cage 🌐 (Cage) +0.861s
After
-96.0 dBm 9.00 dB 2 1c 🐷 MediumFast 2025-12-17 10:25:14 UTC View
Getafe β˜€οΈ (GTF) +0.961s
After
-122.0 dBm -12.00 dB 2 1c 🐷 MediumFast 2025-12-17 10:25:14 UTC View
Fenix (FENX) +0.964s
After
-116.0 dBm -11.75 dB 2 1c 🐷 MediumFast 2025-12-17 10:25:14 UTC View
tizon (Sylv) +0.972s
After
-109.0 dBm -0.75 dB 2 1c 🐷 MediumFast 2025-12-17 10:25:14 UTC View
Quixote_JS8_5πŸ—ΌπŸŒ (QXT5) +1.166s
After
-116.0 dBm -10.50 dB 3 - MediumFast 2025-12-17 10:25:14 UTC View
Quixote_JS8_7 (QXT7) +1.171s
After
-18.0 dBm 11.50 dB 3 - MediumFast 2025-12-17 10:25:14 UTC View
Meshtastic b2b4πŸ“‘πŸŒ (b2b4) +1.598s
After
-117.0 dBm -14.75 dB 2 1c 🐷 MediumFast 2025-12-17 10:25:15 UTC View
22

Total Receptions

22

Unique Gateways