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About OTA function

For TANDEM X20 as an example, go to the [File manager], and select the FW, press the enter button, select 

[Flash RX by int.OTA].Power on the receiver, select the RX, go to the [ENTER], complete the flash process, the 

transmitter will display [Success]. Wait for 3 seconds,the receiver works properly at the moment.

Note: Please do not do the binding operation in the near range while the firmware upgrading in progress.

Note: Update the firmware after the receiver getting registered (OTA).

 

How to switch the S.Port/F.Port/FBUS (F.Port2)

Enter into the Set-Options, click the Telem.Port, and select S.Port/F.Port/FBUS (F.Port2).

How to switch SBUS channel mode

Enter into RX Settings, click [SBUS], then select SBUS-16 mode or SBUS-24 mode.

How to enter into the Race mode (down to 4ms)

Enter into Model-RF system, select the Channel Range as CH1-CH8. Click [Switch Positions] and select a switch to 

start the race mode.

LED state

Green LED

On

Flash

On
On
On
Off

Red LED

On

Flash

On
Off
Off
On

Status

Register

Register successfully

Bind

Bind successfully
Working normally

Failsafe

Blue LED

Off
Off
Off

Flash
Flash

Off

Note: Once the receiver is registered, the button is not needed anymore in the binding process.

Registration & Automatic binding

Follow the step below to finish the Registration & binding procedure: 

1. For TANDEM X20 as an example,enter into the Model, select RF System, turn on the internal module, select 

status [ON] and TD MODE(Type). You can select Internal / External antenna and the power as you need, then 

select [Register].

2. Connect the battery to the receiver while holding the button on the receiver. The RED LED and GREEN LED on 

the receiver will be on, indicating into the [Reg] status.

3. When it shows the Register ID, RX name and UID,click [Register]. The RED LED and GREEN LED on the 

receiver will flash, and the transmitter displays [Registration OK ].

4. Turn off the receiver.

5. Move the cursor to select any one of the 3 receivers [Bind].

6. Connect the battery to the receiver.

7. Select the RX, the GREEN will keep lit and the BLUE will flash. Then the transmitter displays [Bind successful].

 

Version

1.0

Instruction Manual for FrSky TD R6 Receiver

                                              FrSky Electronic Co., Ltd.                    www.frsky-rc.com                    Contact us : [email protected]  

Add: F-4,Building C, Zhongxiu Technology Park, No.3 Yuanxi Road, Wuxi, 214125, Jiangsu, China    Technical Support: [email protected] 

Version

1.0

Instruction Manual for FrSky TD R6 Receiver

                                              FrSky Electronic Co., Ltd.                    www.frsky-rc.com                    Contact us : [email protected]  

Add: F-4,Building C, Zhongxiu Technology Park, No.3 Yuanxi Road, Wuxi, 214125, Jiangsu, China    Technical Support: [email protected] 

Introduction

The Tandem dual-band receivers are unlike any other FrSky 2.4Ghz or 900Mhz receivers, they work simultaneously 

at both 2.4Ghz and 900Mhz frequencies. That means Tandem receivers provide not only the low latency signal and 

long-range control, but also benefit from the enhanced level of high reliability and anti-interference performance.

The Tandem series receivers adopt a dual-band antenna design (one 2.4GHz & one 900MHz) that provides 

multi-directional wide coverage for the remote signal. The data (Power & Signal related) under unusual status during 

the flight can be recorded by Tandem receivers through a built-in black box module.

The TD R6 receiver has 6 high-precision PWM channel outputs bundled in a compact lightweight design,and it also 

has ports like SBUS OUT and S.Port on board. By setting the S.Port to the FBUS protocol, the Tandem series 

receivers can open up the possibility of seamlessly pairing with multiple telemetry devices (Neuron ESC, Advance 

Sensors, etc.) as well as simplifying the build setup.

Specifications

●  Frequency: 2.4GHz & 900MHz

●  Dimension: 47.5*20.4*10.9mm (L*W*H)

●  Weight: 11.5g

●  Operating Voltage: 3.5-10V (recommend 3.7-8.4V)

●  Operating Current: ≤110mA@5V

●  Compatibility: Tandem series transmitter & TD protocol capable RF module

●  2.4G/900M antenna connector: IPEX1

Features

●  

Simultaneous working 2.4G&900M dual-band TD mode

●  

Dual-band antenna design for multi-directional coverage

●  

Compact lightweight design

●  

Black Box function

●  

4ms race mode with telemetry

●  

Long control range (up to 50KM – 100KM)

●  

Over-The-Air (OTA) FW update

●  

6 PWM channel ports

●  

FBUS / S.Port

●  

SBUS Out (Supports 16CH / 24CH mode)

Overview

CH1
CH2
CH3
CH4 
CH5
CH6

SBUS  OUT

AIN2

NC

6/24 CH Long Range & Telemetry

T D   R 6

20.4 mm

47.5 mm

BUTTON

10.9 mm

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