Packet #39446857 Success

NODEINFO_APP packet from Seri Mobile (SRM) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39446857
Mesh Packet ID:	`0x014ec90e` Used for correlation across gateways
Timestamp:	2026-05-16 05:18:25 UTC
From Node:	Seri Mobile (SRM)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Seri Base d120 (SRB)
Channel:	MediumFast
RSSI:	-32 dBm
SNR:	7.0 dBm
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`f2` SRM Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: NODEINFO_APP

Size: 77 bytes

Decoded: Yes

Decoded Data:

Long Name:	Seri Mobile
Short Name:	SRM
Node ID:	!4fd48ef2
MAC Address:	5zpP1I7y
Hardware:	HELTEC_MESH_POCKET

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:	77 bytes
Gateway:	!16ced120
Channel:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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

Field	Value
`gateway_id`	`!16ced120` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (77 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1339330290` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`77` 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`	`-32.0` dBm Signal strength at gateway	int32
`rx_snr`	`7.00` dB Signal quality at gateway	float
`rx_time`	`1778908704` 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`	`242` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778908705.4962585` 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: MediumFast
✓ 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:	`!16ced120`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -32.0 dBm SNR: 7.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	77 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!4fd48ef2", "long_name": "Seri Mobile", "short_name": "SRM", "macaddr": "5zpP1I7y", "hw_model": "HELTEC_MESH_POCKET" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1339330290, "to": 4294967295, "id": 21940494, "rx_time": 1778908704, "rx_snr": 7.0, "rx_rssi": -32, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 242, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213466643438656632120b53657269204d6f62696c651a0353524d2206e73a4fd48ef2285e380142207a52523c02f6649ebaa1b369272d4e086ad7b08ad6cc6b012cdf77d348993b284800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!4fd48ef2", "long_name": "Seri Mobile", "short_name": "SRM", "macaddr": "5zpP1I7y", "hw_model": "HELTEC_MESH_POCKET", "role": "CLIENT_MUTE", "public_key": "elJSPAL2ZJ66obNpJy1OCGrXsIrWzGsBLN9300iZOyg=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (77 bytes)

0a09213466643438656632120b53657269204d6f62696c651a0353524d2206e73a4fd48ef2285e380142207a52523c02f6649ebaa1b369272d4e086ad7b08ad6cc6b012cdf77d348993b284800

Hex Analysis:

Size:	77 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	Relay	Channel	Timestamp	Actions
Seri Base d120 (SRB) Primary	0.000s Reference	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	Current
Seri Base d120 (SRB)	-0.245s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.223s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.202s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.181s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.160s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.136s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.112s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.089s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.065s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.044s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.024s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.021s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.046s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.070s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.093s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.117s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.140s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.162s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.183s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.204s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.228s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.253s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.275s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.299s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.320s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.341s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.376s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.396s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.420s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.443s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.466s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.491s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.512s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.533s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.555s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.576s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.600s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.623s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.646s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.668s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.690s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.711s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.732s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.753s After	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:26 UTC	View
Eco-Monkey LLP (mnky)	+4.607s After	-95.0 dBm	-5.50 dB	1	`64` SRS	LongFast	2026-05-16 05:18:30 UTC	View

46

Total Receptions

2

Unique Gateways