Packet #947616 Success

NEIGHBORINFO_APP packet from lil_gigabeats_868_yagi (f348) to Meshtastic b85d (b85d)

1
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 947616
Mesh Packet ID: 0x5f3b72a2
Used for correlation across gateways
Timestamp: 2026-04-24 18:10:38 UTC
From Node: lil_gigabeats_868_yagi (f348)
To Node: Meshtastic b85d (b85d)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: Meshtastic b85d (b85d)
Channel: PKI
RSSI: -18 dBm
SNR: 10.0 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: lil_gigabeats_868_yagi (f348)
Last Sent By: Meshtastic b85d (b85d)
Broadcast Interval:3600 seconds
Neighbors Found:1
1

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
Meshtastic b85d (b85d) 7.0 dB Unknown Unknown Excellent
This neighbor information was reported by lil_gigabeats_868_yagi (f348) 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:28 bytes
Gateway:!ab86b85d
Channel:PKI
Payload Type:NEIGHBORINFO_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ PKI encrypted packet
+ 4 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !ab86b85d
Node ID format
channel_id PKI
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1864692552
Source node ID 		uint32
to 2877732957
Target node ID 		uint32
decoded.portnum 71
NEIGHBORINFO_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -18.0 dBm
Signal strength at gateway 		int32
rx_snr 10.00 dB
Signal quality at gateway 		float
rx_time 1777036239
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 True
PKI encryption used 		bool
next_hop 93
Next hop node ID 		uint32
relay_node 72
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1777036238.5601351
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)
  • ✓ PKI encrypted packet
  • ✓ Targeted to specific node
  • ✓ Custom channel: PKI
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Pki encrypted: True
Gateway ID: !ab86b85d
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -18.0 dBm
SNR: 10.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 1864692552, "last_sent_by_id": 2877732957, "node_broadcast_interval_secs": 3600, "neighbors": [ { "node_id": 2877732957, "snr": 7.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic b85d (b85d)" } ], "neighbor_count": 1, "node_name": "lil_gigabeats_868_yagi (f348)", "last_sent_by_name": "Meshtastic b85d (b85d)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!ab86b85d", "channel_id": "PKI", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1864692552, "to": 2877732957, "id": 1597731490, "rx_time": 1777036239, "rx_snr": 10.0, "rx_rssi": -18, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 1, "next_hop": 93, "relay_node": 72, "tx_after": 0, "decoded": { "portnum": 71, "payload": "08c8e693f90610ddf09adc0a18901c220b08ddf09adc0a150000e040", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "node_id": 1864692552, "last_sent_by_id": 2877732957, "node_broadcast_interval_secs": 3600, "neighbors": [ { "node_id": 2877732957, "snr": 7.0 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } } } }
Raw Packet Data (28 bytes)
08c8e693f90610ddf09adc0a18901c220b08ddf09adc0a150000e040
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
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Meshtastic b85d (b85d) Primary 0.000s
Reference 		-18.0 dBm 10.00 dB 0 PKI 2026-04-24 18:10:38 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways