Packet #12804940 Success

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

23
Total Receptions
23
Unique Gateways
0
Hop Count
86
Payload Bytes
Packet Information
Database ID: 12804940
Mesh Packet ID: 0xcbf3d95e
Used for correlation across gateways
Timestamp: 2025-09-29 19:19:30 UTC
From Node: Kala_Base_CL_🌞🏡 (KalB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Arganda C191 🌐 (ARG)
Channel: MediumSlow
RSSI: -87 dBm
SNR: 5.25 dBm
Hop Info: 0/5 hops
Start: 5, Limit: 5
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:!9ee79500
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9ee79500
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 5
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -87.0 dBm
Signal strength at gateway 		int32
rx_snr 5.25 dB
Signal quality at gateway 		float
rx_time 1759173568
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 10
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759173570.7884412
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9ee79500
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -87.0 dBm
SNR: 5.25 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": "!9ee79500", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2305170954, "to": 4294967295, "id": 3421755742, "rx_time": 1759173568, "rx_snr": 5.25, "rx_rssi": -87, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 10, "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
Arganda C191 🌐 (ARG) Primary 0.000s
Reference 		-87.0 dBm 5.25 dB 0 MediumSlow 2025-09-29 19:19:30 Current
Mec Rocket Meco (MRM) +0.387s
After 		-114.0 dBm -11.75 dB 1 MediumSlow 2025-09-29 19:19:31 View
Venturada2🗼🌐☀️ (Vb2) +1.572s
After 		-97.0 dBm -0.75 dB 2 MediumSlow 2025-09-29 19:19:32 View
[TLG] 📡🌐🔋🔌 (tlg0) +1.910s
After 		-120.0 dBm -14.50 dB 2 MediumSlow 2025-09-29 19:19:32 View
Perseo 📡🌐☀ (nvm1) +2.259s
After 		-93.0 dBm -2.25 dB 3 MediumSlow 2025-09-29 19:19:33 View
Will - Azuqueca (WAzq) +2.835s
After 		-78.0 dBm 8.00 dB 3 MediumSlow 2025-09-29 19:19:33 View
Villalbilla02 (VBV2) +2.891s
After 		-112.0 dBm -2.75 dB 3 MediumSlow 2025-09-29 19:19:33 View
Rodashtastic🗼🌐 (RDSt) +4.312s
After 		-120.0 dBm -12.25 dB 3 MediumSlow 2025-09-29 19:19:35 View
SkG@Home 📡🌐 (SkGH) +5.325s
After 		-124.0 dBm -15.00 dB 4 MediumSlow 2025-09-29 19:19:36 View
Monolito (MoN) +5.479s
After 		-68.0 dBm 9.00 dB 4 MediumSlow 2025-09-29 19:19:36 View
Meshtastic 18a4 (18a4) +6.657s
After 		-122.0 dBm -11.25 dB 4 MediumSlow 2025-09-29 19:19:37 View
Meshtastic 1760 (1760) +6.889s
After 		-118.0 dBm -1.75 dB 4 MediumSlow 2025-09-29 19:19:37 View
Kenobi23 QTH (5aec) +7.832s
After 		-98.0 dBm 0.50 dB 4 MediumSlow 2025-09-29 19:19:38 View
Malasaña Solar ☀️ (🌇) +8.238s
After 		-77.0 dBm 5.75 dB 4 MediumSlow 2025-09-29 19:19:39 View
Naranjo C191 🌐 (FNL) +8.403s
After 		-96.0 dBm 5.75 dB 4 MediumSlow 2025-09-29 19:19:39 View
EA4HTS Ventas 🗼🇪🇸 (HTSv) +8.849s
After 		-111.0 dBm -4.50 dB 5 MediumSlow 2025-09-29 19:19:39 View
TO_Cala_Base2🗼🌐☀️ (33C8) +9.346s
After 		-108.0 dBm -2.50 dB 4 MediumSlow 2025-09-29 19:19:40 View
Void🌀 (V01d) +9.365s
After 		-120.0 dBm -9.50 dB 5 MediumSlow 2025-09-29 19:19:40 View
EA5GHE-09 (58a8) +9.439s
After 		-105.0 dBm -12.50 dB 4 MediumSlow 2025-09-29 19:19:40 View
🌐Charly Unid Movil🛰 (C181) +11.024s
After 		-108.0 dBm -3.50 dB 4 MediumSlow 2025-09-29 19:19:41 View
Meshtastic 2688 (2688) +12.895s
After 		-136.0 dBm -12.00 dB 5 MediumSlow 2025-09-29 19:19:43 View
Kenobi23 movil (5672) +13.682s
After 		-53.0 dBm 9.25 dB 5 MediumSlow 2025-09-29 19:19:44 View
Meshtastic 53fc (53fc) +20.908s
After 		-112.0 dBm -1.50 dB 5 MediumSlow 2025-09-29 19:19:51 View
23

Total Receptions

23

Unique Gateways