Packet #2346613 Success

TELEMETRY_APP packet from Meshtastic a846 (a846) to !ffffffff

23
Total Receptions
20
Unique Gateways
4
Hop Count
26
Payload Bytes
Packet Information
Database ID: 2346613
Mesh Packet ID: 0xa0280cd6
Used for correlation across gateways
Timestamp: 2025-08-14 02:40:37 UTC
From Node: Meshtastic a846 (a846)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: dJoris πŸ“‘πŸ πŸŒ StaRF (j8bc)
Channel: LongFast
RSSI: -120 dBm
SNR: -13.25 dBm
Hop Info: 4/6 hops
Start: 6, Limit: 2
Payload Data
Protocol: TELEMETRY_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:79%
Voltage:3.98 V
Channel Usage:12.1%
Air Util TX:0.1%
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:26 bytes
Gateway:!da64b604
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:4 / 6
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ 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 !da64b604
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (26 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 473409606
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 26 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 6
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi -120.0 dBm
Signal strength at gateway
int32
rx_snr -13.25 dB
Signal quality at gateway
float
rx_time 1755132035
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 188
Relay node ID
uint32
tx_after Not set uint32
timestamp 1755132037.877245
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“ 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: !da64b604
Signal Metrics: RSSI: -120.0 dBm
SNR: -13.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:26 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1755132020, "device_metrics": { "battery_level": 79, "voltage": 3.985, "channel_utilization": 12.075, "air_util_tx": 0.06136111, "uptime_seconds": 50 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da64b604", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 473409606, "to": 4294967295, "id": 2686979286, "rx_time": 1755132035, "rx_snr": -13.25, "rx_rssi": -120, "hop_limit": 2, "hop_start": 6, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 188, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d74309d681213084f153d0a7f401d3333414125ca557b3d2832", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1755132020, "device_metrics": { "battery_level": 79, "voltage": 3.985, "channel_utilization": 12.075, "air_util_tx": 0.06136111, "uptime_seconds": 50 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (26 bytes)
0d74309d681213084f153d0a7f401d3333414125ca557b3d2832
Hex Analysis:
Size:26 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...

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
dJoris πŸ“‘πŸ πŸŒ StaRF (j8bc) Primary 0.000s
Reference
-120.0 dBm -13.25 dB 4 LongFast 2025-08-14 02:40:37 Current
Afrithon (afrt) -6.780s
Before
-109.0 dBm -12.50 dB 1 LongFast 2025-08-14 02:40:31 View
HolRad (HlRd) -6.486s
Before
-122.0 dBm -14.75 dB 1 LongFast 2025-08-14 02:40:31 View
Wateringweg, Haarlem (WaHa) -5.163s
Before
-115.0 dBm -10.75 dB 2 LongFast 2025-08-14 02:40:32 View
Meshbase (Mshb) -5.030s
Before
-126.0 dBm -16.00 dB 2 LongFast 2025-08-14 02:40:32 View
PA3JH πŸ—Ό (2.7.3) (3JH2) -5.018s
Before
-117.0 dBm -18.25 dB 2 LongFast 2025-08-14 02:40:32 View
Tolkamer 93b4 (Erdw) -3.776s
Before
-119.0 dBm -11.50 dB 3 LongFast 2025-08-14 02:40:34 View
NL-3534-SchepenbuurtπŸ πŸ”ŒπŸŒ (3534) -2.197s
Before
-116.0 dBm -8.00 dB 3 LongFast 2025-08-14 02:40:35 View
PD0WES-Louis-3543 (PL43) -1.856s
Before
-90.0 dBm 1.00 dB 3 LongFast 2025-08-14 02:40:36 View
Meshtastic cc28 (cc28) -0.987s
Before
-117.0 dBm -12.00 dB 4 LongFast 2025-08-14 02:40:36 View
Paul home (pah1) -0.539s
Before
-128.0 dBm -10.50 dB 4 LongFast 2025-08-14 02:40:37 View
NL-3545-Knalliebar (KNB0) -0.406s
Before
-114.0 dBm -1.75 dB 4 LongFast 2025-08-14 02:40:37 View
Meshtastic 4e50 (4e50) -0.396s
Before
-121.0 dBm -11.00 dB 4 LongFast 2025-08-14 02:40:37 View
RSD Langdonk01 🌐 (RL01) +1.055s
After
-47.0 dBm 6.00 dB 5 LongFast 2025-08-14 02:40:38 View
Leimuiden - Bas (LMDN) +1.189s
After
-121.0 dBm -13.50 dB 5 LongFast 2025-08-14 02:40:39 View
No13 Oirschot (OIR1) +1108.281s
After
-118.0 dBm -9.50 dB 4 LongFast 2025-08-14 02:59:06 View
013FvSBase-Meshtastic (4d10) +1110.694s
After
-122.0 dBm -13.50 dB 5 LongFast 2025-08-14 02:59:08 View
Afrithon (afrt) +1110.826s
After
-98.0 dBm -12.00 dB 5 LongFast 2025-08-14 02:59:08 View
Hendrik ido ambacht 3 (Hia3) +1112.154s
After
-135.0 dBm -11.50 dB 5 LongFast 2025-08-14 02:59:10 View
Ams Zuidas Base (AZ4) +1114.002s
After
-113.0 dBm -11.50 dB 6 LongFast 2025-08-14 02:59:11 View
MT Node Pey (PEY) +1114.952s
After
-115.0 dBm -11.25 dB 6 LongFast 2025-08-14 02:59:12 View
Meshtastic 4e50 (4e50) +1115.084s
After
-128.0 dBm -20.25 dB 6 LongFast 2025-08-14 02:59:12 View
Wateringweg, Haarlem (WaHa) +1115.097s
After
-104.0 dBm 0.75 dB 6 LongFast 2025-08-14 02:59:12 View
23

Total Receptions

20

Unique Gateways