TCG120v2.24 (Release date 2026-06-01)
   - SMS: Fixed bug in GSM-7 special character decoding

TCG120v2.23 (Release date 2026-04-16)
   - SMS improved decoding for messages containing User Data Header (UDH)
   - SMS optimized memory for received messages


TCG120v2.22 (Release date 2023-10-12)
   - sensor values are displayed in 3 decimal places format
   - multiplier and offset are displayed in 6 decimal places format

TCG120v2.21 (Release date 2023-08-16)
   - SMS commands optimization

TCG120v2.20 (Release date 2023-07-14)
   - HTTP post optimization

TCG120v2.19 (Release date 2021-11-02)
   - added support for sensor TSH230

TCG120v2.18 (Release date 2021-03-16)
   - fixed bug related with status.json

TCG120v2.17 (Release date 2020-08-12)
   - fixed bug related with alarms
   - fixed bug related with HTTP Post process answer

TCG120v2.16 (Release date 2020-04-30)
   - optimization of connecting to the mobile network

TCG120v2.13 (Release date 2020-04-08)
   - added new SMS commands

TCG120v2.12 (Release date 2020-03-10)
   - removed extra bytes control for 1-Wire temperature sensors 

TCG120v2.11 (Release date 2020-01-20)
   - added possibility for automatic mobile network connection reset
   - optimization of the SMS stack 

TCG120v2.10 (Release date 2019-12-20)
   - fixed bug related with HTTP API commands

TCG120v2.09 (Release date 2019-06-28)
   - HTTP Post optimization
   - HTTP Post URL extended to 127 symbols
   - added new SMS command for HTTP Post URL - "status purl"

TCG120v2.08 (Release date 2019-02-11)
   - added new HTTP Post commands
   - added new information for the serving cell on the System page

TCG120v2.07 (Release date 2018-10-29)
   - bug fix in pulse command 
   - added SMS command for HTTP Post host change 

TCG120v2.05 (Release date 2018-07-02)
   - optimization of GPRS connectivity

TCG120v2.04 (Release date 2018-05-03)
   - optimization of procedure for GPRS connection to the mobile network
   - added indication for Internet connection on the System page 
   - optimization of HTTP API commands

TCG120v2.02 (Release date 2018-03-01)
   - bug fix related with SMS users
   - added SMS command to set a time server: set ts=url:port  
   - added SMS command to set a time zone: set tz=+-hh:mm

TCG120v2.01 (Release date 2018-02-21)
   - FW stack optimizations;
   - "Action on alarm/event" for relays are added;
   - New SMS and API commands; old ones are also supported. 

TCG120v1.12 (Release date 2017-10-03)
   - fixed bug related to the alarms
   - maximum number of characters for the phone fields are increased to 17 


TCG120v1.11 (Release date 2017-08-17)
   - new control of relays - Setup -> Input/Output -> Relay Type = Permanent or Pulse
   - in SMS/mail/call page there are check boxes to enable disable the users
   - bug fix in the flash drive
   - bug fix for long descriptions in the SMS
   - HTTP POST immediately after restart if Post is enabled
   - time format change in the XML file


TCG120v1.10 (Release date 2017-06-03)
   - extra relay commands are added


TCG120v1.09 (Release date 2017-02-22)
   - fixed bug about continuous SMS sending for digital input 2


TCG120v1.08 (Release date 2016-11-02)
   - Added the possibility to work with SIM cards that support GPRS in rouming
   - digital inputs are read on 30mS and changed after 7 equivalent sequential readings.


TCG120v1.07 (Release date 2016-05-26)
- fixed a problem with multiply e-mails 


TCG120v1.06 (Release date 2016-01-01)
   - default NTP server is changed to pool.ntp.org 
   - SMS sending optimization 


TCG120v1.05 (Release date 2015-07-17)
   - bug fixed in analog inputs calibration 


TCG120v1.04 (Release date 2015-06-23)
   - web interface communication optimization
   - monitoring page real time update optimization
   - information about "IMEI" and "GSM FW version" were added in system page  


TCG120v1.03 (Release date 2015-05-21)
   - "writingMode" option added. Allows to set the writing direction.
   - Input symbol control in "Global subject" and "Body header" fields
   - alarm delay parameter for digital/analog inputs and sensors added
   - XML updated. "valuebin" and "alarm" added for the digital inputs
   - FW update time via USB improved (2 min.)
   - notification (email + notification) if the parameter returns in safe range
   - "Test push" button bug fixed
   - Test email result added


TCG120v1.02 (Release date 2015-03-24)
   - "body header" field added 
   - local time and IMEI included in the email alerts
   - local data added in the XML 
   - improved XML structure. <alarm> is equal 1 if the parameter is in alarm state
   - both digital inpits can trigger HTTP Post if "push on any alarm" is selected


TCG120v1.01 (Release date 2015-02-26)
   - fixed possible sending of invalid alarm SMS message (S11=85 deg)
   - default Push period changed to 1 minute
   - PushPeriod information added to XML
   - improved FW update via USB procedure
   - added "Test Push" button
   - fixed Push mode bug (when "push on any alarm" is selected)
   - "set FIN" command added


TCG120v1.00 (Release date 2015-02-9)
   - Initial version