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Product introduction

Thanks for using Retekess wireless calling system, it adopts FSK wireless technology . The system 

consists of 1 keyboard transmitter and 10 coaster pagers, the receiver supports 1999-channel 

extensions. Each pager is rechargeable and labeled with a number, in standby status, it is plugged into 

the charging slots, while the guest places an order, he(she) will be dispatched one receiver with a 

number, when the order is ready, the waiter will press the keypad to call the corresponding number, the 

guest will get it through the buzzer/vibration/LED indications.

The calling system greatly improves the work efficiency and avoid the guest waiting in a long queue. It 

is widely used in queuing occasions such as food court, logistics centers, clinics and so on.

Technical data

Working frequency
Standby current
Standby Time
Receive sensitivity
Battery capacity
Modulation technology
Dimmension

DC 3.7V 
(Rechargeable battery)
433.92MHz
2mA

≈48 Hour

-106DB
250mAh
FSK

Φ105*16mm

Working voltage

Receiver

Power input
Working frequency
Transmit Power
Modulation technology
Dimmension

DC5V/3A
433.92MHz

0.5W

FSK

170*85*41mm

Transmitting host

Product description

1.Instructions for the use of the keyboard transmitter

Install the antenna first, put the keyboard protective film to protect the keyboard from water and dust, 

and then connect the special power adapter, the power indicator light is on, and the screen is 

displayed.

●Standby interface:

Packing List

Number

1
2
3
4

Quantity

1
1
1
1

Name

Transmitting host
Receiver
Power adaptor
Antenna

Quantity

1

10

2
1

Number

5
6
7
8

Name

Charging base
Serial port line
Serial port to USB  line
User manual

        Number area

You can enter the call number (from 1 to 1999), if you do not need to sent extra 

message, press “SEND” directly to call the receiver.

        Text area

You can enter the message (the default message can be set through the 

software),and when the number and content are set, you can press the SEND key to call the receiver.

Keyboard description

The button layout is shown in the picture.

ESC: Delete all numbers and message and return it to the standby interface.

Words: Invoke the stored messages or settings and insert them into the call contents.

Insert: Change the input status to add or overwrite, the default is to add.

Delete: Delete the character where the cursor is located.

Arrows: Move the cursor up,down,left and right.

0-9:In the number input area, only numeric works, and in the text input area, both the characters and 

punctuation marks all work. For example, if you press key 3 continuously, the 3, w, x, y loops are 

displayed.

2

Instructions for the use of pager

●Power on

The pager is powered on automatically while putting it in the charging base.

●Power off

Remove the pager from the charging base, then press the button on the back of the pager 

immediately, and the “OFF”will diplay on the digital tube.

●The pager could be called only when the pager is not on the charging base.

●When the pager is removing from the charging base, it will be detected automatically within 

seconds.The self-test mode (LED, buzzer and vibration) is same as the pagers actual reminder mode.

●Reminder mode: vibration, buzzer beep and flash can be freely combined.

●There are two red lights on both sides of the digital tube when the power of the pager is low,also the 

digital tube will show the number and LOW alternately,you need to put the pager back to the charging 

base.

●When the pager is being charged, the red light will be on, and when it is fully charged, the red light will 

go out.

3

Instructions for the use of the charging base

The charging base cannot be connected with a non-matching power supply.

Setting description

1

Pairing

In the standby mode, enter the number in the Number Area, press the drop-down button "

" to the Text 

Area, then press the WORDS button, and then press the drop-down button "

" again to enter into the 

setting mode, “STUDYCAPCODE” will be shown in the screen display, remove the pager from the 

charging base and press the button on the pager at the same time, then press the SEND button on the 

keyboard (this operation must be completed within 10s, otherwise it needs to be re-operated).           

Brief description: Enter the number to be paired →"

" →”Words”→ "

"

Display“STUDYCAPCODE”

→ Press the button on the pager →"SEND"→ Done  

2

Function setting

The functions could be set through the keyboard transmitter while the pagers are on the charging base 

(standby mode). 

Operation steps

In the standby state, press the drop-down button "

" to move the cursor to the Text Area, press 

the”WORDS” button, then select the desired function through the up "Λ"/the drop-down key "

", then 

press the “SEND” button on the keyboard, and the pager displays "SET" means the setting is 

completed.

The following features are supported

:

●STUDYCAPCODE

●SET FLASH LED ENABLE/SET FLASH LED DISABLE

●SET BEEP ENABLE/SET BEEP DISABLE

●SET VIBRATE ENABLE/SET VIBRATE DISABLE

●SET REMIND VOICE ENABLE/ SET REMIND VOICE DISABLE

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