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Main Page > EYE Accessories > EYE BEACON / BTSID1


Wireless solutions open up new horizons for your business and help to keep an eye on your assets. Discover our brand-new and certified Bluetooth Low Energy ID beacon model from Teltonika with robust waterproof casing and a long-lifetime battery. The model designed for a low-cost fast and easy configuration and integration to save precious time, resources, and ensure accountability.

EYE device.png

About BTSID1

Perfect for traceability use cases, delivery tracking, monitoring of various movable objects in logistics (trailers, containers), agriculture (tractor attachments), and constructions (tools and inventory). Also, it suitable for indoor tracking solutions for items tracking in warehouses, hospitals, transport hubs and other types of industrial areas. EYE beacon supports iBeacon and Eddystone protocols. The device is fully compatible with the Teltonika firmware platform which provides extended functionality. Configure, scan, and update anytime anywhere with a dedicated Teltonika mobile app.

Product Specification


Beacon ID, LED
Dimensions and weight
Dimensions 56,6 mm x 38 mm x 13 mm
Weight 19 g 18g
Battery and power (not confirmed)
Model CR2450
Type Type Lithium, Manganese Dioxide
Total Capacity 600 mAh
Replaceable No
Battery life (Tx=2 dBm; interval: 3 s) 4+ years
Battery life (Tx=2 dBm; interval: 5 s), default 8+ years
Battery life (Tx=2 dBm; interval: 10 s) 10+ years
Microcontroller ST Microelectronics BlueNRG-2
Bluetooth Bluetooth 4.2 compliant,

Bluetooth 5.2 certified

Range 80 m
Available transmission power levels Up to 8 dBm
Sensitivity -88 dBm
Protection IP67
Mounting Two holes to screw/leash/strip, tape
Customization Custom logo upon request (Special conditions)
Environmental Requirements
Operational temperature -20 °C / +60 °C (-4 °F / +140 °F)
Protocols compatibility
iBeacon Yes

*iOS doesn't show devices with iBeacon protocol

Eddystone Yes


Eye dimensions.png

Mounting recomendations

New mounting recomendations 1.png

EYE App Configuration

Devices work constantly and are ready to perform out of the box. Default basic Sensor settings are set to:
• Transmitting at 2 dBm power.
• Data advertising at 3 second intervals.
• Eddystone protocol

If you would like to change these settings you will need to:
1) Download and install EYE APP - Teltonika application to change sensor settings.

Eye App Overview

With the application you will be able to scan for visible Teltonika EYE devices, check their statuses or connect for configuration or firmware update.

Detailed list - collapsed(2).jpg
Overview - without update (beacon)(2).png
Basic settings(2).png
Advance settings 4.png

Devices in view: In this window you will see all visible devices. You have options to see devices in Short list Shortlist.jpg or in default list. When looking at devices in default list you will be able to open Detailed view Detailed.jpg of devices and check transmitted data statuses. Additionaly if you are looking for specific devices you will be able to use Search Search button eye app.jpg function to filter search options. When in this window select a device of your choice to connect and after passing pin code (default pin code is 123456) you will go to device overview window

Overview window: In overview window you can see device details, check firmware version and update if available , go to device configuration settings. If you select to Configure device new window will open with Basic and Advanced settings.

Configure window: In this window you can check and change device configuration settings. In main tab Basic Settings you can change main settings. Change Device name, Power signal strength, Advertising interval and Packet transmition type*. For more settings go to Advanced settings tab to enable various events.

Advanced configuration window: Beacon information (iBeacon ID*, Eddystone ID). UUID/MINOR/MAJOR parameter can be changed for iBeacon ID*. Namespace ID/Instance ID can be changed for Eddystone ID

IBeacon ID settings.png

Eddystone ID settings.png

*iOS doesn't show devices with iBeacon protocol

FM Tracker Configuration

Teltonika configurator (standard functionality)

If you have firmware / configurator which does not support EYE Beacon tab in Bluetooth 4.0 section, then you can use Beacon list section of the configurator to scan available EYE Beacons.
Below are short instructions which show how we recommend configuring the device to Enable the Beacon functionality for testing.

Steps to follow according to the visual representation

  1. In System Settings Enable Codec8 Extended;
  2. In Bluetooth settings Enable Bluetooth, set this setting as either "Enable (hidden)" or "Enable (visible)", otherwise Bluetooth will be disabled;
  3. In Bluetooth 4.0 settings, set Non Stop Scan to "Disable", configure "Update Frequency" and "Scan duration" as 30 seconds. These settings will bring the best results for BLE scanning with our device;
  4. In Beacon list settings, configure Beacon Detection as "All" and Beacon Record as "Eventual". This will detect all surrounding Beacons and create Beacon records every 30 seconds.

Beacon project V3.gif

Teltonika configurator new functionalities (not released yet)

Bluetooth 4.0

Common settings

  • Non Stop Scan - Enable Non Stop Scan feature, the device will try to scan for the sensors all the time if any of them are configured.
  • Sensors and Beacons Update frequency - changes sensors temperature/humidity/battery voltage data update frequency. Minimum value: 30s, maximum value: 65535s. Recommended value 30.
  • BLE Scan Duration - Sensors data reading time. Recommended value 30.
  • Scan retries until error - Scan retries count, till start to show the value as Error '3000' - sensor disconnected. Recommended value 30.
  • BT Power Level - Telematics device Bluetooth power level setting.
  • BLE Broadcasting service ID - Telematics device can broadcast configured ID.
  • BLE connection control - Connection mode settings. If broadcasting ID is configured, parameter should be set to Prohibit.

BLE 4.0.png

Beacon List

Beacons configuration instruction: How to start with FMB devices and Beacons?

Beacon settings.png

Beacon all settings.png

Beacon detection - Parameter controls over all Beacons scanning:

  • Disabled – Beacon scanning and transmitting disabled.
  • All – Read all visible beacons;
  • Configured – Read only beacons set in Beacon List;

Beacon Mode

  • Simple - beacon parsing is done automatically (Eddystone and iBeacon protocols are supported).
  • Advanced - beacon data capturing can be configured.

Beacon record

  • On change - Beacon records are generated only when there are changes in scanned list.
  • Periodic - Beacon record generating according to the configured Record Period on Move and Record Period on Stop parameters.
  • Beacon Record Priority - When set to None Records will not be generated. Low priority means the Module makes an additional record which will be sent according to configured send period. When High Priority is configured, the Beacon record will be sent immediately to the server as soon as it is generated.

EYE Beacon Settings

Beacon detection.gif

  • The New firmware has two Beacon lists, so it is possible to create two separate lists of beacons, standard one with Beacons ID (UUID:Major:Minor, or Namespace:InstanceID) and new one according Beacon Name (by name or prefix, for example all beacons with prefix "ID1" can be saved.)

  • Beacon ID - configurator allows to configure beacon ID in iBeacon or Eddystone format in Beacon List.
  • Beacon Name - The names of beacons which need to be filtered can be entered. Only the beginning part of the EYE Beacon local name has to match. For example, if in the EYE Beacon name list “EYE_Beacon” is added and the FM tracker detects EYE_Beacon1, EYE_Beacon2, EYE_BeaconXYZ, all these EYE Beacons will be added to EYE Beacon name list.

Both ID and Name filters can work at the same time. If beacon doesn’t match ID filter, but matches the name, it will be added to beacon list. However, Filtering only works Beacon Mode is set to Simple.

Eye Beacon Prox.png

Eye feature mode: Proximity

EYE beacon Proximity events is a functionality which creates three different types of records, depending on the captured Beacons RSSI level. This functionality is only supported with Teltonika EYE beacons.
Proximity events consist of near, away and lost events:

  • When EYE beacon RSSI level is below the first configured threshold, the beacon will be added to Near Beacon Record (AVL ID: 10828)
  • When EYE BEACON RSSI level is between the second and first configured threshold, beacon is added to Away Beacon record (AVL ID: 10829)
  • When EYE Beacon RSSI level is lower than the second configured threshold, beacon is added to Lost Beacon record (AVL ID: 10831). In the case of EYE Beacon disappearing from the environment and not being detected by the FM tracker anymore, the beacon will be added to Lost Beacon record and will be removed from Beacon list.

Event modes

  • Disabled – Record generating is disabled for the selected range
  • Periodic – Records will be periodically generated for the selected range, according to the configured record period on move or on stop value.
  • On Change – Records will be generated as soon as the Eye Beacon number changes for the selected range.

Averaging Timeout
This parameter specifies how long it will take current RSSI value to reach new RSSI value. For example, current EYE Beacon RSSI value is -40 dBm. FMB captures same EYE Beacon with RSSI value of -60 dBm. If averaging timeout is configured to be 10 seconds, it will take 10 seconds for RSSI value to reach -60 dBm from -40 dBm. Keep in mind that this is assuming perfect conditions and subsequent EYE Beacon RSSI

Eye feature mode: Lost & Found
Lost & found.png

Lost & Found EYE Beacon feature.
Purpose of this functionality is to periodically generate records with all EYE Beacon list (AVL ID: 10828) and create eventual On Change records only when EYE Beacon is lost (AVL ID: 10831) or found (AVL ID: 10829).
Lost and Found Beacon records only include EYE Beacon which was lost or found, not the full Beacon list.

  • If multiple EYE Beacons were found or lost at the same time, multiple will be included into the record.
  • If Visible Beacon List is enabled, Beacon records containing the list of visible beacons will be generated according to the configured period parameters Record Period on Move and Record Period on Stop

Advanced Beacon protocol is being used to send Lost & Found records.
Note:Same AVL ID’s as for Proximity events are being used, since two features cannot work at the same time.

  • AVL ID: 10828 Visible Beacon List (periodic)
  • AVL ID: 10829 Found Beacon List (On Change)
  • AVL ID: 10831 Lost Eye Beacon List (On Change)

Proximity and Lost & found AVL ID elements have the following structure:
1st beacon protocol version.png

When Proximity or Lost & Found events are sent, the records will always include Beacon RSSI, Beacon ID, low battery indicator and Battery Voltage.

Below is the mentioned Parameters description:

Table 1. EYE Beacon Parameter IDs
Parameter ID Name Data type Description
0 Beacon RSSI Level 1 byte unsigned integer Received signal strength indication (RSSI) value in dBm.

Hex value must be converted to decimal from signed 2s complement.

1 Beacon ID Array For Eye Beacons that are transmitting using Eddystone protocol Beacon ID is Namespace , InstanceID (16 bytes),

For iBeacon protocol it is UUID, Major, Minor (20 bytes)

13 EYE Beacon Low battery indicator 1 byte integer Low battery state measured by EYE beacon; value is either 0 (low voltage not detected) or 1 (low voltage detected)
14 EYE Beacon battery Voltage 2 byte unsigned integer EYE Beacon battery voltage value in mV

EYE Beacon Protocol overview

Beacon advertising

Protocol description

At the highest-level Bluetooth LE advertising packet consists of Advertising Indication and Scan Response. Both packets can be maximum of 31 bytes in size. Advertising Indication packet is always broadcasted when Scan Response is broadcasted only if Observer device requests it by using Active Scan.

BTSMP1 uses Advertising Indication to send beacon data which can be configured to select between iBeacon and Eddystone protocols or to be disabled at all. In that case, data which is shown as Scan Response in protocol overview will be sent as Advertising Indication without Scan Response following it.

Scan Response is used to send device name and manufacturer specific data. Manufacturer specific data includes Teltonika Company ID (0x089A) and protocol version (0x01). It is followed by Flag Encoded Data (Table 1).

Device Name has the following default value for Beacon – ID1_XXXXXXX

Table 1. Flag Encoded Date
Data Size (Bytes) Description
Flags 1 Each set bit (0-7) means the presence of value (0-7). Bits:

0 – Temperature value presence
1 – Humidity value presence
2 – Magnetic sensor presence
3 – Magnetic sensor state (1 magnetic field is detected/0 magnetic field is not detected) Valid value is present only if bit 2 flag is set.
4 – Movement sensor counter
5 – Movement sensor angle
6 – Low Battery indication (if set to 1 low battery voltage detected)
7 – Battery voltage value presence

Note: only bolded bits (6 and 7) can have value 1, on BTSID1

Value 7 1 Battery Voltage

Battery voltage in mV = 2000 + VALUE * 10
NOTE: present only if bit 7 is set, otherwise is not being sent

GATT Characteristics

Name Service UUID Characteristic UUID Data Type Min Max Default Value Notes
Device Name e61c0000-7df2-4d4e-8e6d-c611745b92e9 e61c0016-7df2-4d4e-8e6d-c611745b92e9 ASCII 0 11 Unique for each device -
Tx Power Lever 1804 00002a07-0000-1000-8000-00805f9b34fb SINT8 -14 8 2 Possible values: -14, -11, -8, -5, -2, 2, 4, 8
Protocol Type e61c0000-7df2-4d4e-8e6d-c611745b92e9 e61c0001-7df2-4d4e-8e6d-c611745b92e9 UINT8 0 4 1 for EYE_Beacon,

4 for EYE_Sensor

0 - iBeacon

1 - EddyStone 2 - EYE Sensor 3 - iBeacon + EYE Sensor 4 - Eddsytone + EYE Sensor

Advertising Interval e61c0000-7df2-4d4e-8e6d-c611745b92e9 e61c0002-7df2-4d4e-8e6d-c611745b92e9 UINT16 20 10000 1000 miliseconds
Sub Advertising Interval e61c0000-7df2-4d4e-8e6d-c611745b92e9 e61c0003-7df2-4d4e-8e6d-c611745b92e9 UINT16 20 1000 100 Used by repeats, miliseconds
Advertising Repeats e61c0000-7df2-4d4e-8e6d-c611745b92e9 e61c0004-7df2-4d4e-8e6d-c611745b92e9 UINT16 1 10 1 Repeats work only if Advertising Interval is more than 2000 ms and Repeats set to more than 1
iBeacon ID e61c0000-7df2-4d4e-8e6d-c611745b92e9 e61c0005-7df2-4d4e-8e6d-c611745b92e9 BYTE ARRAY 20 bytes 20 bytes Unique for each device 16 B - UUID

2 B - major 2 B - minor

Eddystone ID e61c0000-7df2-4d4e-8e6d-c611745b92e9 e61c0006-7df2-4d4e-8e6d-c611745b92e9 BYTE ARRAY 16 bytes 16 bytes Unique for each device 10 B - Namespace

6 B - Instance

Password e61c0000-7df2-4d4e-8e6d-c611745b92e9 e61c0008-7df2-4d4e-8e6d-c611745b92e9 BYTE ARRAY 4 bytes 4 bytes 123456 Always 6 Digits
Manufacturer 180A 2A29 BYTE ARRAY - - Not Configurable Read Only. Ex. "Teltonika"
Model 180A 2A24 BYTE ARRAY - - Not Configurable Read Only. Ex. "BTSID1"
Serial 180A 2A25 BYTE ARRAY - - Not Configurable Not used
Hardware 180A 2A27 BYTE ARRAY - - Not Configurable Read Only. Ex. "Table:1 Volt:325
Firmware 180A 2A26 BYTE ARRAY - - Not Configurable Read Only. Ex. "1.1.0-beta"
System ID 180A 2A23 BYTE ARRAY - - Not Configurable Not used
MAC 180A 652143dc-dec6-4fb1-bd46-3e919d2410a6 BYTE ARRAY 6 6 Not Configurable Read Only. ex. 112233445566 -> 11:22:33:44:55:66
Scan Response Data e61c0000-7df3-4d4e-8e6d-c611745b92e9 e61c0001-7df3-4d4e-8e6d-c611745b92e9 BYTE ARRAY 17 17 Not Configurable Scan Response Data, see picture for detail view of data structure
GATT Beacon.png

FM packet parsing example

Beacon (AVL ID:385) has the following structure:

AVL 385 Parsing
Data part BLE beacon flags #1 Beacon ID #1 Signal Strength #1 Beacon data #2
1 Byte 1 Byte 20/16 Bytes 1 Byte
First half byte – current data part

Second half byte – total number of data parts

Bitwise parameter, specify BLE beacon type and parameters.

Two options available are:

21 iBeacon with RSSI

01 Eddystone with RSSI

Beacon – 20B (UUDI, major, minor)

Eddystone – 16B (Namespace, Instance ID)

Signed 2's complement

Eddystone example with 1 beacon

AVL Data Packet
AVL Data Packet Part HEX Code Part
Zero Bytes 00 00 00 00
Data Field Length 00 00 00 40
Codec ID 8E (Codec8 Extended)
Number of Data 1 (Number of Total Records) 01
AVL Data Timestamp 00 00 01 70 1F 9B 3F A9 (GMT: Friday, 07 February 2020 12:23:53.001)
Priority 01
Longitude 0F 0E 50 2A
Latitude 20 9A B4 61
Altitude 00 74
Angle 00 C6
Satellites 0E
Speed 00 00
Event IO ID 01 81 (385)
N of Total ID 00 01
N1 of One Byte IO 00 00
N2 of Two Bytes IO 00 00
N4 of Four Bytes IO 00 00
N8 of Eight Bytes IO 00 00
NX of X Bytes IO 00 01
N’th IO ID - AVL ID. 01 81 (385)
Length of Variable Length IO 00 13
Value of Variable Length IO 1101E39B606AA38255AA8E460B154E2D0055CF
Number of Data 2 (Number of Total Records) 01
CRC-16 00 00 00 56

AVL 385 Parsing
Data part BLE beacon flags #1 Beacon ID #1 Signal Strength #1 Beacon data #2
1 Byte 1 Byte 20/16 Bytes 1 Byte
11 – Data part, 1 Record out of 1 Beacon Packet. 01 – Eddystone with RSSI Eddystone – 16B (Namespace, Instance ID)

E39B606AA38255AA8E46 – BLE Beacon Namespace

0B154E2D0055 – BLE Beacon Instance ID

-49 - - -

iBeacon example with 2 beacons

AVL Data Packet
AVL Data Packet Part HEX Code Part
Zero Bytes 00 00 00 00
Data Field Length 00 00 00 5A
Codec ID 8E (Codec8 Extended)
Number of Data 1 (Number of Total Records) 01
AVL Data Timestamp 00 00 01 6B 69 B0 C9 51(GMT: Tuesday, 18 June 2019 08:25:22.001)
Priority 00
Longitude 00 00 00 00
Latitude 00 00 00 00
Altitude 00 00
Angle 00 00
Satellites 00
Speed 00 00
Event IO ID 01 81 (385)
N of Total ID 00 01
N1 of One Byte IO 00 00
N2 of Two Bytes IO 00 00
N4 of Four Bytes IO 00 00
N8 of Eight Bytes IO 00 00
NX of X Bytes IO 00 01
N’th IO ID - AVL ID. 01 81 (385)
Length of Variable Length IO 00 2D
Value of Variable Length IO 11216B817F8A274D4FBDB62D33E1842F8DF8014D022BBF21A579723675064DC396A7C3520129F61900000000BF
Number of Data 2 (Number of Total Records) 01
CRC-16 00 00 3E 5D

AVL 385 Parsing
Data part BLE beacon flags #1 Beacon ID #1 Signal Strength #1 Beacon data #2
1 Byte 1 Byte 20/16 Bytes 1 Byte
11 – Data part, 1 Record out of 1 Beacon Packet. 21 – iBeacon with RSSI 17F8A274D4FBDB62D33E1842F8DF8 – UUID

014D – Major

022B – Minor

-65 21A579723675064DC396A7C3520129F61900


- 21 – iBeacon with RSSI A579723675064DC396A7C3520129F619 – UUID

0000 – Major

0000 – Minor

-65 - - -

lost & found FM Packet parsing with the new firmware

FM EYE Beacon lost & found record parsing example with the new firmware (not released yet)

Parsing EYE Sensor records example
Below You will find an example on how to parse lost (AVL ID 10831) or found (AVL ID 10829) EYE Beacon record.

Unparsed data
Received data in hexadecimal stream: 000000000000004b8e010000018368952793000f0e54fc209ab05800b300b40e0000


AVL Data Packet
AVL Data Packet Part HEX Code Part
Zero Bytes 00 00 00 00
Data Field Length 00 00 00 4b
Codec ID 8E (Codec8 Extended)
Number of Data 1 (Number of Total Records) 01
AVL Data Timestamp 00 00 01 83 68 95 27 93 (GMT: Tuesday, 18 June 2019 08:25:22.001)
Priority 00
Longitude 0f 0e 54 fc
Latitude 20 9a b0 58
Altitude 00 b3
Angle 00 b4
Satellites 0e
Speed 00 00
Event IO ID 2a 4f (10831)
N of Total ID 00 01
N1 of One Byte IO 00 00
N2 of Two Bytes IO 00 00
N4 of Four Bytes IO 00 00
N8 of Eight Bytes IO 00 00
NX of X Bytes IO 00 01
N’th IO ID - AVL ID. 2a 4f (10831)
Length of Variable Length IO 00 1e (30 bytes)
Value of Variable Length IO 10831


Number of Data 2 (Number of Total Records) 01
CRC-16 00 01 2a 4f

Parsing AVL ID 10831 data

AVL ID 10831 Unparsed data
Parsing the data
AVL Data packet part HEX Code Part
Constant 01
Eye Beacon #1 data length 1c (28 bytes)
Parameter ID 00 (Eye Beacon RSSI)
AVL Data Parameter data length 01 (1 byte)
Parameter data a4 (Converted to Decimal from signed 2s complement = -92dBm)
Parameter ID 01 (Beacon ID)
Parameter data length 10 (16 bytes)
Parameter data eb 47 70 6a a3 82 55 aa 96 f2 1a 15 4e 2d 00 55 (Eddystone Namespace + Instance ID)
Parameter ID 0d (parameter ID #13 low battery voltage indicator)
Parameter data length 01 (1 byte)
Parameter data 00 (no low battery voltage detected)
Parameter ID 0e (Eye Beacon Battery voltage)
Parameter data length 02 (2 bytes)
Parameter Data 0b d6 (3030mV)

NOTE: The record structure for Lost Beacon Record (AVL ID:10829) is the same

Safety information

This message contains information on how to operate BTSID1 safely. By following these requirements and recommendations, you will avoid dangerous situations. You must read these instructions carefully and follow them strictly before operating the device!

1. To avoid mechanical damage, it is advised to transport the device in an impact-proof package.

2. In case of malfunction contact yours Teltonika account manager or write to technical support team over VIP helpdesk.

Certification & Approvals

E-Mark (EU) YES
Anatel(EU) YES
IP rating YES

External Links

Product Page


Product Change Notifications

The latest Product Change Notifications can be found: Product Change Notifications

Compatibilty with other Teltonika Devices

Teltonika Networks: https://wiki.teltonika-networks.com/view/Bluetooth_EYE_Sensor_and_EYE_Beacon_support

Partner Providers Supporting Software

Frequently asked questions


Datasheet PDF

Quick Manual PDF