T400 is a very simple device which can be used for authorized door access, controlling gates, switching of remote equipment, car parking systems. When we dial to T400,T400 auto answer it ,we can control T400 though the keys on the mobile phone.

support GSM: Quad-band 850/900/1800/1900MHz

4G: C:GSM:900/1800,

LTE-FDD B1/B3/B5/B8

LTE-TDD:B34/B38/B39/B40/B41

E:GSM:900/1800,

LTE-FDD B1/B3/B5/B7/B8/B20

SA:GSM:850/900/1800/1900M

LTE-FDD B1/B3/B5/B7/B8/B28/B66

1.    We can control 4 relays by the keys on the mobile phone during the phone conversation

2.    Remember relays status when power failure

3.    Automatically report current status by SMS  to the 1 st number

4.    Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or  machines).

5.    Secure - Using caller ID for identification, unknown callers are ignored.

6.    Can be operated from anywhere, no distance limit.

7.    Add or remove users by SMS Text command.

8.    The relay close time is programmable

9.    Up to 200 authorized phone numbers can be configured.

10.   Four outputs with relay （3A/240VAC）for connecting the switch of the door or machines.

11.   The relay action will return a SMS confirmation to the owner, this function is editable by user.

12.   Easy to install(Industrial guide rail:35mm)

13.   Based on GSM /4G Network, applied to many applications.

14. support GSM: Quad-band 850/900/1800/1900MHz

4G: C:GSM:900/1800,

LTE-FDD B1/B3/B5/B8

LTE-TDD:B34/B38/B39/B40/B41

E:GSM:900/1800,

LTE-FDD B1/B3/B5/B7/B8/B20

SA:GSM:850/900/1800/1900M

LTE-FDD B1/B3/B5/B7/B8/B28/B66

1、Set Authorized number by SMS

2、Dail to T400,T400 will auto answer it

3、Turn on the phone's keyboard，we can control it through the keys,We'd better turn on the hands free function ,if  the relay works ,we can hear the voice prompt to check whether we control the relay successfully or not

4.support GSM: Quad-band 850/900/1800/1900MHz

4G: C:GSM:900/1800,

LTE-FDD B1/B3/B5/B8

LTE-TDD:B34/B38/B39/B40/B41

E:GSM:900/1800,

LTE-FDD B1/B3/B5/B7/B8/B20

SA:GSM:850/900/1800/1900M

LTE-FDD B1/B3/B5/B7/B8/B28/B66

The keyboard operation mode is as follows:

Notice:

It is best to complete the operation in 50 seconds,If more than 50 seconds, the device will hang up automatically,if you want to control it again,please dial it again.