Packet #39446852 Success

NODEINFO_APP packet from Seri Mobile (SRM) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39446852
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:	LongFast
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:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!16ced120` Node ID format
`channel_id`	`LongFast` Default public channel
`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`	`1778908705.3838005` 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
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ 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": "LongFast", "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	LongFast	2026-05-16 05:18:25 UTC	Current
Seri Base d120 (SRB)	-0.132s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.111s 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)	-0.069s Before	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	-0.047s 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)	+0.023s After	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.047s After	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.068s After	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.089s After	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.112s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.134s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.158s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.182s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.206s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.229s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.252s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.275s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.296s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.317s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.340s After	-32.0 dBm	7.00 dB	0	`f2` SRM	MediumFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.365s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.388s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.411s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.432s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.453s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.488s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.509s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.532s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.556s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.578s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.603s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortFast	2026-05-16 05:18:25 UTC	View
Seri Base d120 (SRB)	+0.625s 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)	+0.689s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.712s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.736s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.758s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.781s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.802s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.824s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.845s After	-32.0 dBm	7.00 dB	0	`f2` SRM	ShortTurbo	2026-05-16 05:18:26 UTC	View
Seri Base d120 (SRB)	+0.866s After	-32.0 dBm	7.00 dB	0	`f2` SRM	LongFast	2026-05-16 05:18:26 UTC	View
Eco-Monkey LLP (mnky)	+4.720s 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