Packet #12804949 Success

NODEINFO_APP packet from Kala_Base_CL_🌞🏡 (KalB) to !ffffffff

23
Total Receptions
23
Unique Gateways
3
Hop Count
86
Payload Bytes
Packet Information
Database ID: 12804949
Mesh Packet ID: 0xcbf3d95e
Used for correlation across gateways
Timestamp: 2025-09-29 19:19:33 UTC
From Node: Kala_Base_CL_🌞🏡 (KalB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Villalbilla02 (VBV2)
Channel: MediumSlow
RSSI: -112 dBm
SNR: -2.75 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 86 bytes
Decoded: Yes
Decoded Data:
Long Name:Kala_Base_CL_🌞🏡
Short Name:KalB
Node ID:!89661e0a
MAC Address:/wiJZh4K
Hardware:NRF52_PROMICRO_DIY
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:86 bytes
Gateway:!26223cf8
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 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 !26223cf8
Node ID format
channel_id MediumSlow
packet MeshPacket (86 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 4
NODEINFO_APP 		enum
decoded.payload_length 86 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -112.0 dBm
Signal strength at gateway 		int32
rx_snr -2.75 dB
Signal quality at gateway 		float
rx_time 1759173574
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 176
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759173573.6798074
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: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !26223cf8
Signal Metrics: RSSI: -112.0 dBm
SNR: -2.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:86 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!89661e0a", "long_name": "Kala_Base_CL_🌞🏡", "short_name": "KalB", "macaddr": "/wiJZh4K", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!26223cf8", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2305170954, "to": 4294967295, "id": 3421755742, "rx_time": 1759173574, "rx_snr": -2.75, "rx_rssi": -112, "hop_limit": 2, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921383936363165306112154b616c615f426173655f434c5ff09f8c9ef09f8fa11a044b616c422206ff0889661e0a283f422017266818d125c36018d2a8eef84d139e593dd470c1e3c9971f365bf95711d36c4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!89661e0a", "long_name": "Kala_Base_CL_🌞🏡", "short_name": "KalB", "macaddr": "/wiJZh4K", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "FyZoGNElw2AY0qju+E0Tnlk91HDB48mXHzZb+VcR02w=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (86 bytes)
0a0921383936363165306112154b616c615f426173655f434c5ff09f8c9ef09f8fa11a044b616c422206ff0889661e0a283f422017266818d125c36018d2a8eef84d139e593dd470c1e3c9971f365bf95711d36c4800
Hex Analysis:
Size:86 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
Villalbilla02 (VBV2) Primary 0.000s
Reference 		-112.0 dBm -2.75 dB 3 MediumSlow 2025-09-29 19:19:33 Current
Arganda C191 🌐 (ARG) -2.891s
Before 		-87.0 dBm 5.25 dB 0 MediumSlow 2025-09-29 19:19:30 View
Mec Rocket Meco (MRM) -2.505s
Before 		-114.0 dBm -11.75 dB 1 MediumSlow 2025-09-29 19:19:31 View
Venturada2🗼🌐☀️ (Vb2) -1.319s
Before 		-97.0 dBm -0.75 dB 2 MediumSlow 2025-09-29 19:19:32 View
[TLG] 📡🌐🔋🔌 (tlg0) -0.981s
Before 		-120.0 dBm -14.50 dB 2 MediumSlow 2025-09-29 19:19:32 View
Perseo 📡🌐☀ (nvm1) -0.632s
Before 		-93.0 dBm -2.25 dB 3 MediumSlow 2025-09-29 19:19:33 View
Will - Azuqueca (WAzq) -0.056s
Before 		-78.0 dBm 8.00 dB 3 MediumSlow 2025-09-29 19:19:33 View
Rodashtastic🗼🌐 (RDSt) +1.421s
After 		-120.0 dBm -12.25 dB 3 MediumSlow 2025-09-29 19:19:35 View
SkG@Home 📡🌐 (SkGH) +2.434s
After 		-124.0 dBm -15.00 dB 4 MediumSlow 2025-09-29 19:19:36 View
Monolito (MoN) +2.588s
After 		-68.0 dBm 9.00 dB 4 MediumSlow 2025-09-29 19:19:36 View
Meshtastic 18a4 (18a4) +3.766s
After 		-122.0 dBm -11.25 dB 4 MediumSlow 2025-09-29 19:19:37 View
Meshtastic 1760 (1760) +3.998s
After 		-118.0 dBm -1.75 dB 4 MediumSlow 2025-09-29 19:19:37 View
Kenobi23 QTH (5aec) +4.940s
After 		-98.0 dBm 0.50 dB 4 MediumSlow 2025-09-29 19:19:38 View
Malasaña Solar ☀️ (🌇) +5.346s
After 		-77.0 dBm 5.75 dB 4 MediumSlow 2025-09-29 19:19:39 View
Naranjo C191 🌐 (FNL) +5.512s
After 		-96.0 dBm 5.75 dB 4 MediumSlow 2025-09-29 19:19:39 View
EA4HTS Ventas 🗼🇪🇸 (HTSv) +5.958s
After 		-111.0 dBm -4.50 dB 5 MediumSlow 2025-09-29 19:19:39 View
TO_Cala_Base2🗼🌐☀️ (33C8) +6.454s
After 		-108.0 dBm -2.50 dB 4 MediumSlow 2025-09-29 19:19:40 View
Void🌀 (V01d) +6.473s
After 		-120.0 dBm -9.50 dB 5 MediumSlow 2025-09-29 19:19:40 View
EA5GHE-09 (58a8) +6.548s
After 		-105.0 dBm -12.50 dB 4 MediumSlow 2025-09-29 19:19:40 View
🌐Charly Unid Movil🛰 (C181) +8.133s
After 		-108.0 dBm -3.50 dB 4 MediumSlow 2025-09-29 19:19:41 View
Meshtastic 2688 (2688) +10.004s
After 		-136.0 dBm -12.00 dB 5 MediumSlow 2025-09-29 19:19:43 View
Kenobi23 movil (5672) +10.790s
After 		-53.0 dBm 9.25 dB 5 MediumSlow 2025-09-29 19:19:44 View
Meshtastic 53fc (53fc) +18.016s
After 		-112.0 dBm -1.50 dB 5 MediumSlow 2025-09-29 19:19:51 View
23

Total Receptions

23

Unique Gateways