Two Channels Relay GSM/SMS Remote Control Module with SIM800C STM32F103CBT6

Features & Specifications:
– No matter what kind of Simcard Operator is, this 2CH Relay Module work under 2G Network ,with frequency 850, 900, 1800 or 1900 (all Iraqi Network)
– Power supply voltage: 9V-36V.
– When using 9V power supply, the current must be guaranteed 1.0A or above.
– 250V 10A relays, you can directly operate most of the electrical appliances on the market.
– Two channel supply passive switch signal.
– SIM card must be inserted only when system powered off.
– There are three LED lights named D3 D6 D7 (D7 is close to the positioning hole, D6 is close to the antenna interface).
– LED indicator state corresponds to the equipment working conditions are as follows, each column is one state.

Use Instructions:
– Insert SIM card
– Connect the controlled equipment
– Connect power supply
– Waiting for equipment to start ready
– Change the Authorization number (if the device does not have the correct number)
– Send command to control the relay state Hardware

SMS command instructions:
Before using this device, please send a text message for authorization first. Then you can send a message command to control relay.

Authorized Number configuration:
This system supports up to 3 authorization numbers.

Format:
*code*# NAuthorized_number#
After setup successfully, the device will reply, SMS Content is: User (N) Number: number is set ok.

For example, if system code is 123456, and you want to set the first authorized number is 18846919911, you can send the SMS:*123456*#118846919911# .the device will reply, content is: User1 Number: 18846919911 is set ok! The new authorization number is saved in the device; and you want to set the second authorized number is 18846919900, you can send the SMS:*123456*#218846919900#.the device will reply, content is: User2 Number: 18846919900 is set ok! The new authorization number is also saved in the device.

Code configuration:

Format:
*6_digits_old_code_number**6_digits_new_code_number*.

After setup successfully, the device will reply, SMS Content is: SYS Code: 6 new code numbers set ok.

For example, if system code is 123456, you want to revise the new code is 666666, send the SMS:*123456**666666*. The device will reply, content is: SYS Code: 666666 Set OK. Note that only authorized number can change the code. The new code is saved in the device.

The cell phone SMS control.
Relay1 On command: ON1, after successful setup, the device will reply with SMS: REALY1 set on! For example, send the SMS: ON1. Relay status will be saved.

Relay1 Off command: OFF1, after successful setup, the device will reply, SMS Content is: REALY1 set off! Send the SMS: CMOF. Relay status will be saved.

Relay2 On command: ON2, after successful setup, the device will reply SMS is: REALY2 set on! For example, send the SMS: ON2. Relay status will be saved.

Relay2 Off command: OFF2, after successful setup, the device will reply, SMS Content is: REALY2 set off! Send the SMS: OFF2. Relay status will be saved.

System status query instruction: STA. For example, sends the SMS: STA. The device will reply the state of two relay.

Default Settings:
Code123456

Package Includes:
1 x GSM/SMS Remote Two Channels Control Module