Packet #5417904 Success

NODEINFO_APP packet from Meshtastic bab4 (bab4) to Nix Avtozavodskaya (azd8)

14
Total Receptions
10
Unique Gateways
3
Hop Count
80
Payload Bytes
Packet Information
Database ID: 5417904
Mesh Packet ID: 0x8afc3d6b
Used for correlation across gateways
Timestamp: 2026-01-10 21:53:59 UTC
From Node: Meshtastic bab4 (bab4)
To Node: Nix Avtozavodskaya (azd8)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: SYSXX YGW8 (SXY8)
Channel: LongFast
RSSI: -91 dBm
SNR: -6.25 dBm
Hop Info: 3/7 hops
Start: 7, Limit: 4
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic bab4
Short Name:bab4
Node ID:!699cbab4
MAC Address:kHBpnLq0
Hardware:HELTEC_V4
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:80 bytes
Gateway:!efffff02
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:3 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !efffff02
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1771879092
Source node ID 		uint32
to 3663336252
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -91.0 dBm
Signal strength at gateway 		int32
rx_snr -6.25 dB
Signal quality at gateway 		float
rx_time 1768071238
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 16
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1768071239.4721026
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
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !efffff02
Signal Metrics: RSSI: -91.0 dBm
SNR: -6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!699cbab4", "long_name": "Meshtastic bab4", "short_name": "bab4", "macaddr": "kHBpnLq0", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!efffff02", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1771879092, "to": 3663336252, "id": 2331786603, "rx_time": 1768071238, "rx_snr": -6.25, "rx_rssi": -91, "hop_limit": 4, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 16, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213639396362616234120f4d65736874617374696320626162341a046261623422069070699cbab4286e4220101f7a32621ae1388e8a66de4032e3e30ba5f227e14ea75f94c6395bc069f8414800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!699cbab4", "long_name": "Meshtastic bab4", "short_name": "bab4", "macaddr": "kHBpnLq0", "hw_model": "HELTEC_V4", "public_key": "EB96MmIa4TiOimbeQDLj4wul8ifhTqdflMY5W8Bp+EE=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213639396362616234120f4d65736874617374696320626162341a046261623422069070699cbab4286e4220101f7a32621ae1388e8a66de4032e3e30ba5f227e14ea75f94c6395bc069f8414800
Hex Analysis:
Size:80 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
SYSXX YGW8 (SXY8) Primary 0.000s
Reference 		-91.0 dBm -6.25 dB 3 LongFast 2026-01-10 21:53:59 Current
Aster-02 (AST2) -29.020s
Before 		-101.0 dBm -14.00 dB 3 LongFast 2026-01-10 21:53:30 View
Zamkad8 (zmkd) -28.999s
Before 		-121.0 dBm -10.50 dB 3 LongFast 2026-01-10 21:53:30 View
RN3ABX Georgy 2 (ABX2) -26.215s
Before 		-127.0 dBm -14.75 dB 3 LongFast 2026-01-10 21:53:33 View
RN3ABX Georgy 2 (ABX2) -25.867s
Before 		-127.0 dBm -14.75 dB 7 LongFast 2026-01-10 21:53:33 View
PopoG VKO 6a54 (6a54) -15.577s
Before 		-125.0 dBm -18.25 dB 6 LongFast 2026-01-10 21:53:43 View
PopoG SRO (c204) -11.198s
Before 		-23.0 dBm 5.75 dB 7 LongFast 2026-01-10 21:53:48 View
HOPS GW (ZER0) -8.590s
Before 		-80.0 dBm 5.25 dB 7 LongFast 2026-01-10 21:53:50 View
SYSXX OGW8 (SXG8) -1.102s
Before 		-125.0 dBm -14.75 dB 3 LongFast 2026-01-10 21:53:58 View
SYSXX OGW8 (SXG8) -0.765s
Before 		-125.0 dBm -14.75 dB 7 LongFast 2026-01-10 21:53:58 View
SYSXX BGW8 (SXB8) +3.806s
After 		-56.0 dBm 6.00 dB 4 LongFast 2026-01-10 21:54:03 View
SYSXX BGW8 (SXB8) +4.091s
After 		-56.0 dBm 6.00 dB 7 LongFast 2026-01-10 21:54:03 View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟) +852.361s
After 		-88.0 dBm 3.75 dB 7 LongFast 2026-01-10 22:08:11 View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟) +852.679s
After 		-88.0 dBm 3.75 dB 7 LongFast 2026-01-10 22:08:12 View
14

Total Receptions

10

Unique Gateways