Packet #5945408 Success

NODEINFO_APP packet from Big Berta (bigb) to !ffffffff

15
Total Receptions
12
Unique Gateways
6
Hop Count
74
Payload Bytes
Packet Information
Database ID: 5945408
Mesh Packet ID: 0x548f62ac
Used for correlation across gateways
Timestamp: 2026-01-14 18:39:41 UTC
From Node: Big Berta (bigb)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: SYSXX YGW8 (SXY8)
Channel: LongFast
RSSI: Unknown
SNR: 2.75 dBm
Hop Info: 6/7 hops
Start: 7, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 74 bytes
Decoded: Yes
Decoded Data:
Long Name:Big Berta
Short Name:bigb
Node ID:!548cba6d
MAC Address:8T9UjLpt
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:74 bytes
Gateway:!efffff02
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:6 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 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 (74 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1418508909
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 74 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 6
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr 2.75 dB
Signal quality at gateway 		float
rx_time 1768405180
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 1
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1768405181.6292357
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (6 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !efffff02
Signal Metrics: SNR: 2.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:74 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!548cba6d", "long_name": "Big Berta", "short_name": "bigb", "macaddr": "8T9UjLpt", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!efffff02", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1418508909, "to": 4294967295, "id": 1418683052, "rx_time": 1768405180, "rx_snr": 2.75, "rx_rssi": 0, "hop_limit": 1, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 1, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921353438636261366412094269672042657274611a04626967622206f13f548cba6d283f4220fc2a081d9434cc32cbaf68d448bf52d7844d0ebc6faa580abee9de432001b55c4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!548cba6d", "long_name": "Big Berta", "short_name": "bigb", "macaddr": "8T9UjLpt", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "/CoIHZQ0zDLLr2jUSL9S14RNDrxvqlgKvuneQyABtVw=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (74 bytes)
0a0921353438636261366412094269672042657274611a04626967622206f13f548cba6d283f4220fc2a081d9434cc32cbaf68d448bf52d7844d0ebc6faa580abee9de432001b55c4800
Hex Analysis:
Size:74 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 		Unknown 2.75 dB 6 LongFast 2026-01-14 18:39:41 Current
Zoͦmͫвⷡiͥeͤ [GW8] (🧟) -348.672s
Before 		-92.0 dBm -0.50 dB 2 LongFast 2026-01-14 18:33:52 View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟) -348.327s
Before 		-92.0 dBm -0.50 dB 7 LongFast 2026-01-14 18:33:53 View
Medved GW8 (MED8) -346.766s
Before 		-116.0 dBm -9.75 dB 2 LongFast 2026-01-14 18:33:54 View
ZA_MKAD_22_868_1 (8681) -27.971s
Before 		-137.0 dBm -14.00 dB 3 LongFast 2026-01-14 18:39:13 View
Dragon868-1 (D1) -27.899s
Before 		-104.0 dBm -1.75 dB 3 LongFast 2026-01-14 18:39:13 View
NODE_SOLAR_868 (8682) -26.914s
Before 		Unknown Unknown 4 LongFast 2026-01-14 18:39:14 View
RN3ABX Georgy 2 (ABX2) -19.824s
Before 		-126.0 dBm -17.00 dB 4 LongFast 2026-01-14 18:39:21 View
Butyrskaya 868 (But8) -19.785s
Before 		-101.0 dBm -6.00 dB 4 LongFast 2026-01-14 18:39:21 View
Aster-02 (AST2) -17.102s
Before 		-63.0 dBm 5.00 dB 4 LongFast 2026-01-14 18:39:24 View
SYSXX BGW8 (SXB8) -11.474s
Before 		-125.0 dBm -15.00 dB 5 LongFast 2026-01-14 18:39:30 View
SYSXX OGW8 (SXG8) -0.909s
Before 		-60.0 dBm 5.25 dB 6 LongFast 2026-01-14 18:39:40 View
SYSXX OGW8 (SXG8) -0.634s
Before 		-60.0 dBm 5.25 dB 7 LongFast 2026-01-14 18:39:40 View
Zamkad8 (zmkd) +54.271s
After 		-108.0 dBm -15.25 dB 7 LongFast 2026-01-14 18:40:35 View
Zamkad8 (zmkd) +54.490s
After 		-108.0 dBm -15.25 dB 7 LongFast 2026-01-14 18:40:36 View
15

Total Receptions

12

Unique Gateways