Packet #14162542 Success

NEIGHBORINFO_APP packet from Rubí - FCSv4 (FCS4) to !00000001

1
Total Receptions
1
Unique Gateways
0
Hop Count
145
Payload Bytes
Packet Information
Database ID: 14162542
Mesh Packet ID: 0x75825923
Used for correlation across gateways
Timestamp: 2025-10-08 11:03:19 UTC
From Node: Rubí - FCSv4 (FCS4)
To Node: !00000001 (0001)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: Rubí - FCSv4 (FCS4)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 145 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: Rubí - FCSv4 (FCS4)
Last Sent By: Rubí - FCSv4 (FCS4)
Broadcast Interval:14400 seconds
Neighbors Found:10
10

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
Repetidor Corbera 📡 G-8 Miguel (RCBR) -3.5 dB Unknown Unknown Fair
EspiRadio (ESPR) -13.2 dB Unknown Unknown Poor
EA3KZ 01 - Terrassa (KZ01) -6.5 dB Unknown Unknown Poor
⚡️ NMG MIX BASE LH-BCN ⚡️ (NMG) -11.2 dB Unknown Unknown Poor
EAMG_0 🏠 (EAMG) -11.0 dB Unknown Unknown Poor
Zeus5 (Z5) -3.2 dB Unknown Unknown Fair
rodarit solar (msm) -3.8 dB Unknown Unknown Fair
GosDeCarrer (Gos) 3.5 dB Unknown Unknown Good
Meshtastic 1258 (1258) 0.5 dB Unknown Unknown Good
Meshtastic 2757 (2757) -16.0 dB Unknown Unknown Poor
This neighbor information was reported by Rubí - FCSv4 (FCS4) and shows which nodes it can directly communicate with and their signal quality.
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:145 bytes
Gateway:!b29face0
Channel:LongFast
Payload Type:NEIGHBORINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b29face0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (145 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2996808928
Source node ID 		uint32
to 1
Target node ID 		uint32
decoded.portnum 71
NEIGHBORINFO_APP 		enum
decoded.payload_length 145 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1759921398
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 224
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759921399.675842
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !b29face0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:145 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 2996808928, "last_sent_by_id": 2996808928, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 1661509642, "snr": -3.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Repetidor Corbera 📡 G-8 Miguel (RCBR)" }, { "node_id": 1092370704, "snr": -13.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "EspiRadio (ESPR)" }, { "node_id": 4189360632, "snr": -6.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "EA3KZ 01 - Terrassa (KZ01)" }, { "node_id": 3663392692, "snr": -11.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "⚡️ NMG MIX BASE LH-BCN ⚡️ (NMG)" }, { "node_id": 3127196356, "snr": -11.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "EAMG_0 🏠 (EAMG)" }, { "node_id": 2666316788, "snr": -3.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Zeus5 (Z5)" }, { "node_id": 1168271749, "snr": -3.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "rodarit solar (msm)" }, { "node_id": 2410686578, "snr": 3.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "GosDeCarrer (Gos)" }, { "node_id": 2665943640, "snr": 0.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic 1258 (1258)" }, { "node_id": 3868403543, "snr": -16.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic 2757 (2757)" } ], "neighbor_count": 10, "node_name": "Rubí - FCSv4 (FCS4)", "last_sent_by_name": "Rubí - FCSv4 (FCS4)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b29face0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2996808928, "to": 1, "id": 1971476771, "rx_time": 1759921398, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 224, "tx_after": 0, "decoded": { "portnum": 71, "payload": "08e0d9fe940b10e0d9fe940b18c070220b088ac0a2980615000060c0220b089082f1880415000054c1220b08f8a3d2cd0f150000d0c0220b08b4dfebd20d15000034c1220b08c4f594d30b15000030c1220b08f487b3f70915000050c0220b0885d389ad0415000070c0220b08f2d0c0fd081500006040220b08d8a49cf709150000003f220b08d7ceccb40e15000080c1", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "node_id": 2996808928, "last_sent_by_id": 2996808928, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 1661509642, "snr": -3.5 }, { "node_id": 1092370704, "snr": -13.25 }, { "node_id": 4189360632, "snr": -6.5 }, { "node_id": 3663392692, "snr": -11.25 }, { "node_id": 3127196356, "snr": -11.0 }, { "node_id": 2666316788, "snr": -3.25 }, { "node_id": 1168271749, "snr": -3.75 }, { "node_id": 2410686578, "snr": 3.5 }, { "node_id": 2665943640, "snr": 0.5 }, { "node_id": 3868403543, "snr": -16.0 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } } } }
Raw Packet Data (145 bytes)
08e0d9fe940b10e0d9fe940b18c070220b088ac0a2980615000060c0220b089082f1880415000054c1220b08f8a3d2cd0f150000d0c0220b08b4dfebd20d15000034c1220b08c4f594d30b15000030c1220b08f487b3f70915000050c0220b0885d389ad0415000070c0220b08f2d0c0fd081500006040220b08d8a49cf709150000003f220b08d7ceccb40e15000080c1
Hex Analysis:
Size:145 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
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Rubí - FCSv4 (FCS4) Primary 0.000s
Reference 		Unknown Unknown 0 LongFast 2025-10-08 11:03:19 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways