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  Item found in the following categories;
> Radios & Receivers > Complete systems
> Radios & Receivers > 2.4Ghz HobbyKing

  RATED:

Hobby King 2.4Ghz 4Ch Tx & Rx V2 (Mode 1)

Hobby King 2.4Ghz 4Ch Tx & Rx V2 (Mode 1)
Hobby King 2.4Ghz 4Ch Tx & Rx V2 (Mode 1)


HobbyKing 2.4Ghz 4Ch Tx & Rx V2 (Mode 1)(THROTTLE ON THE RIGHT)
Hobbykings T4A 2.4ghz system is an entry level transmitter offering the reliability of 2.4Ghz signal technology and a receiver.

The T4A makes a good backup transmitter or a take anywhere unit. Drop it, scratch it, leave it in the car and forget about it. This is what the T4A is all about.
Not suitable for the multi flapperon, mixer, vtail, FPV, robot controlling hobbyist.

Key Features;
4-channel 2.4GHz transmitter with servo reversing.
Easy to use control for basic models.
Includes 6-channel receiver
Trainer system option.
This system does not need a PC to program servo direction.

 
Included;
1 x 2.4Ghz transmitter
1 x 2.4Ghz Receiver
1 x Bind Plug.

Note: 
Only HK-T6A receiver is comptible with HK-T4A transmitter.
Only HK-T6Av2 receiver is compatible with the HK-T4Av2 transmitter.

PRODUCT ID: HK-T4A-M1

989g Back warehouse: 0 10+ $23.02
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 Customer rated 5 crowns   
 
Total of 148 discussions.
skip1444  10 points - 5/12/2013
 
Can a 3 cell LiPo be used in place of the 8 ea 1.5v batteries? Thx
 NewToHobbyKing 6321 points
Skip yes. They make one just for the Job. It fit where the AA go! (Turnigy 1450mAh 3S 11.1v Transmitter Lipoly Pack SKU: T1450-TX-3)
Jeffrey  22 points - 5/11/2013
 
Would the receiver work for 1.25mm molex 3 pin connectors?
 NewToHobbyKing 6321 points
Jeffrey the receiver dos not fit Molex 3 pin. You could make a adapter but the receiver is a but large and weighty for that setup!
 thren 57 points
I just soldered a wire from and - battery holders at each end of the battery holder and used a xt60 jack to use lipos
 NewToHobbyKing 6321 points
Thren MOLEX 3 PIN Plugs are on the Srevos. This receiver takes standard servos connectors.
Andreina  2 points - 5/2/2013
 
Hi!! Thank you so much for a fast answer!! It's amazing!! :D
Andreina  2 points - 5/2/2013
 
Hello! I am new at this wonderful hoobie and I would like to purchase Blue Angel Fighter for my first fighter plane...I would like if anyone here, can help me about the TX-RX (this one of 4 channels it is good for the plane or if there is another can you tell me..) and the battery for the plane because I didnt found here.. 1800mAh 3s 25C. I was wondering if a battery greater than this one could be replaced!!I would be greatful of your part if you help!! It's my Birthday Gift :D Thank You very much,
 Ross 23 points
Hi, this transmitter is rigt hand throttle. Mode 2 is the same version, but has the throttel on the left. For many it is more natural. This transmitter would be fine for that type of plane. Search this for a battery that may soot: ZIPPY Compact 1800mAh 3S 25C Lipo Pack hope this helps. Cheers.
BEST ANSWER CREDIT AWARDED
Bally  2 points - 5/1/2013
 
Love this Hoby King 2.4G system but today very erratic behaviour on rudder control (model Yacht Ch 1). Eventually took the back off the Tx and manipulation of Ch1 potentiometer localized the problem - a squirt of RP7 into the potentiometer and hey presto, like new again! Can't understand why pot wiper got dirty - Tx well looked after and kept free from moisture and dust etc. Ah well all's well that ends well!
Matthew  4 points - 4/22/2013
 
Is the Hobby King 2.4Ghz 4Ch Tx & Rx compatable with the AXN Floater-jet?
 NewToHobbyKing 6321 points
Mathew this will do for the AXN (PNF or ARF). You may need a Y cable. I do think the 6 channel HK Programmable will last you longer, for later use.
MohElg  40 points - 4/16/2013
 
can I change it to mod 2 ???
 NewToHobbyKing 6321 points
MohElg yes you can but you void the warranty when you do. So do you have one or wish to buy. If you are still to but the buy a Mode 2.
 MohElg 40 points
I asked because it was backorder but now it is back in stock tank you :)
 NewToHobbyKing 6321 points
That happens. That is why I said consider the Mode 2. I know we like to have our stuff now but if we can wait a little HK mostly come through.
MohElg  40 points - 4/8/2013
 
****
Abhijith  6 points - 4/6/2013
 
what is the difference between the opto esc and esc with ubec? thanks
 NewToHobbyKing 6321 points
OPTO in radio control (RC) contexts means Opto-coupler. On the ESC (Electronic Speed Controller) ie. Motor Controller, the power used to drive the motor is electrically isolated from the power used to control the servos. This is supposed to reduce radio interference between the motor and receiver as light signals are used between the motor and receiver circuits. As a result, the ESC requires separate battery packs, one of the motor and the other for the receiver. BEC In Radio Control (RC) contexts, the BEC is extra circuitry on the ESC (Electronic Speed Controller ie. Motor Controller) to provide power to the controls (such as steering, servos, receivers) to the controlled vehicle (eg. airplane, car, helicopter, boat) so that this control circuitry does not need to carry it’*s own battery pack. That is, it piggy backs of the battery pack used to drive the motors of the vehicle or in other words, the motor and servos share the same battery pack. UBEC stands for Ultimate Battery Eliminator Circuit. In RC (Radio Control) contexts, a UBEC is an improved version of a BEC. ESCs with a UBEC use circuitry that is more efficient than a ESC with a BEC, thus you save battery power. Also, ESCs with UBECs tend to run cooler than ESCs with BECs. DID YOU WANT ANY MORE THANKS!
BEST ANSWER CREDIT AWARDED
 RVaitor 115 points
What NTHK said! :D
 NewToHobbyKing 6321 points
RV what do you mean PLEASE
 RVaitor 115 points
Great explanation.
Abhijith  6 points - 4/4/2013
 
the specification of an esc suggest lipoly batery to use, instead of that can i use Li-ion battery? thanks
 NewToHobbyKing 6321 points
Abhijith that is fine. It is a bit heavier. So can I ask where you got you Li-ions form. I have been messing around with Li-ion for a while. I have used the on land based models but have yet to get mine in a plane YET!
BEST ANSWER CREDIT AWARDED
Abhijith  6 points - 3/31/2013
 
I decided to buy a 30 amp esc (with sbec). i think the receiver input is the sbec with 5.5v. can anyone explain about this ... also how will switch on the motor?.. Thanks
 NewToHobbyKing 6321 points
Abhijith are you sure it said SBEC? not uBec? A bec is battery elimination circuitry. So it saves you having a extra battery pack for the receiver. It is just a voltage regulator that reduces your 11.1 or 7.4 volts to 5.5 volts. (Sometime 14.4 v). Now to switch. Many just plug your battery in and she is live. If you want to be better than that then you will need a switch, that can handle the current. I use the 240v to 120v select switch on old computer supplies. May be HK can start selling them too!
BEST ANSWER CREDIT AWARDED
skiffalope  14 points - 3/25/2013
 
I want to use this TX/RX to run two servos and turn on/off lights on a model I'm building. Do I have to use a big Lipo style battery pack or can the old fashioned AA battery pack to power the Receiver, the servos and the lights? Want to know before I buy how much I'm going to have to invest in this. Thanks.
 NewToHobbyKing 6321 points
Skiffalope this receiver only run on 4.5v to 6.5v. So you AA battery pack will be fine for it and the servos. The big Lipo pack is to run an electric motor. It requires a uBec (normally built in the ESC) to run the receiver, if you are using the big Lipo battery!
Xavier  35 points - 3/24/2013
 
I tried to search without finding the answer I might have missed it but can I bind the HK-GT2_RX receiver with this transmitter ?
 NewToHobbyKing 6321 points
Xavier the answer is Yes it does bind to this Transmitter and Turnig9XV2 Transmitter. The receiver is meant for surface models. I have used it in slow / small park flyers also.
Benjamin  8 points - 3/20/2013
 
What is the needed input voltage on the receiver? I am working with a 12 volt system. Is that too much? If so what is the voltage that I should use?
 NewToHobbyKing 6321 points
Benjamin voltage for the receiver is 4.5v to 6.5v. Your 12v is far to much. May I ask what you are building please. You need a esc (with ubec) or Ubec or a receiver battery pack. Please do not run 12v into the receiver it will break it.
BILL  20 points - 3/12/2013
 
How do I program this transmitter? Do I need a cord? No instructions were provided with this TX and RX. I am new to flying. Doe it need to be programed if I just run it the way ir comes out of the box? I just want to fly a plane aroung the field and not do anything fancy. Thanks, Bill
 NewToHobbyKing 6321 points
Bill what do you want to program PLEASE. It is a simple 4 channel. If you wish to reverse a servo you use the switches, on the front. If you wish V-Tail mixing, you have to buy a V-tail mixer. (A little item that goes inside the Plane). It does say in the LISTING:::: The T4A makes a good backup transmitter or a take anywhere unit. Drop it, scratch it, leave it in the car and forget about it. This is what the T4A is all about. Not suitable for the multi flapperon, mixer, vtail, FPV, robot controlling hobbyist.::::::
BILL  20 points - 3/12/2013
 
What battery do you use for the orange Hobby King 4-channel RX? Also, What other cord do I need for the TX? Bill
 NewToHobbyKing 6321 points
Bill the Orange HobbyKing RX does not work with this Transmitter. The Orange HobbyKing Rx will run on most receiver battery packs or off a ESC (with built in UBEC). The receiver here is a 6ch RX and it works off the same, but will run with the 4Ch Transmitter, pictured here! No other leads needed, unless you want to buddy it with another transmitter!
 NewToHobbyKing 6321 points
Bill if you were referring to the color of the receiver and not the Brand then Sorry. The receiver here is a 6ch HobbyKing RX. Good Flying!
JATun  14 points - 3/8/2013
 
What is "Trainer system option" mentioned in the specs
 Rexy03 1047 points
you can make modification to this transmitter to use as trainer, google "hk-t4a trainer cable" and "hk-t6a trainer cable" to find details
JATun  14 points - 3/8/2013
 
Has anyone had trouble with signal while flying. I have lost a couple of models. I am an experience flyer. Full batteries and range check comleted. It hapens early in flight with the model close. Do power lines affect the signal? This is my first 2.4 setup. I have another 4 models set up and am reluctant to fly them.
 NewToHobbyKing 6321 points
Jatun ever since I went to 2.4, I have not had a problem. I do recommend you rebind you receiver, if you have had loss of signal problems. Also some thing I am going to do soon, is fit a Voltage Protector (TURNIGY Voltage Protector SKU: TURN-VP). That is one of the cheapest one HK sells. Are you all electric or fuel? If you are using an ESC, with an ubec you can have voltage drop. So for that couple of dollars, it is worth it!
 JATun 14 points
I am all electric so I will check out the TURNIGY Voltage Protector SKU: TURN-VP. Thanks
 NewToHobbyKing 6321 points
Also consider doing a Bind even if you had. It does not take long. When we started with 2.4 the guys were binding every couple of week. I find I bind, once and have had no need to re visit!
Jason  2 points - 2/16/2013
 
What voltage charger is best for the charge socket on this tx
 Mahesh 38 points
Dear jason 9.9v dc chargers is OK
john  1 points - 2/15/2013
 
to gary mission success thanks for your input john
norwatiza  7 points - 2/15/2013
 
this is regarding changing mode 1 to mode 2: Remove all batteries. Open the radio, 4 screws at the back, and change the ratchet from the Elevator on the right to the Throttle on the left and the spring lever from the throttle to the Elevator. Replace the jumper on the white socket to short the lower two pins. Thats it! My Question is, what do you mean replace the jumper on the white socket to short the lower two pins? any video or pic or something? please help...thanks
john  1 points - 2/14/2013
 
how do you bind the transmitter and receiver
 Gary 2961 points
Put the bind plug into the "BAT" port of the receiver and then put your power source (4.8-6v battery or BEC) into any one of the other ports,you should then get an LED flashing,then hold down the bind button on the transmitter and then switch it on,keep holding down the bind button for a few seconds more then release,the receiver LED should then stop flashing and go solid,once solid the receiver and transmitter are bound,remove the bind plug and thats it.
BEST ANSWER CREDIT AWARDED
 Mahesh 38 points
http://www.youtube.com/watch?v=HEaAmh1-yOo
Frank  22 points - 2/5/2013
 
I mean on the EU warehouse! At all I don´*t understand the HK warehouse strategy. For me it look´*s like that HK s grown to fast. I´*m from Austria. If I see an item in UK I can not order it, I have to order it in asia! There are to many warehouses in EU that have only some intems in stock. That makes no sens. Is better to have only one EU warehouse that have a good stock. But the stock at HK is a problem at all. Hope for a better future and my company will order in a EU warehouse again.
 NewToHobbyKing 6321 points
Frank I am not sure, I agree, but if you want to talk to others about that, you could go to the Open Forum!
Frank  22 points - 2/5/2013
 
Why is there no radio on the europen market???
 H-KING_SCOTT 5155 points
There is now, the new Orange 6TX has European or US power settings via the menu.
Justin  3 points - 2/3/2013
 
The receiver has bat,ch1,2,3,4,5,6. How do we know which is Ail,ele,thr,rud? Thanks
 Rexy03 1047 points
Ch1- aileron Ch2- elevator Ch3- throttle or esc Ch4- rudder
BEST ANSWER CREDIT AWARDED
Jayakrishnan  2 points - 2/3/2013
 
Can this be used to fly the below models? GeeBee R3 - 750mm - EPO (PNF) Bixler v1.1 EPO 1400mm - (ARF)
 Rexy03 1047 points
Yes it can !
BEST ANSWER CREDIT AWARDED
Jayakrishnan  2 points - 2/2/2013
 
Can this be used to fly the below two models? 7.4v 2S1P 1000mAh or 11.1v 3S1P 800mAh Bixler v1.1 EPO 1400mm - (ARF)
 Jayakrishnan 2 points
Sorry copy paste error
 NewToHobbyKing 6321 points
Jay it will be fine on the Bixler but what is the second model??
BEST ANSWER CREDIT AWARDED
 Jayakrishnan 2 points
Thanks Mel. The other one is a GeeBee R3
Breno  1 points - 1/30/2013
 
I can use on a plane and you guys deliver in Brazil and how long it takes?
 NewToHobbyKing 6321 points
Breno yes it is fine for a Plane but for the other you should ask CS.
Mel  2 points - 1/27/2013
 
Me and my brother have two boats that are on the same frequency so we can't use them at the same time. Will this controller fix this problem?
 Mahesh 38 points
Dear Mel.This is very simple problem.one TX must change their frequency.U must Replace one of TX & RX Crystal pairs.This Crystal pair must be same frequency..u can buy it from e-bay or any hobby channel..
Mel  2 points - 1/27/2013
 
Me and my brother received two rc boats for Christmas and they are both on the same channel and can't be switched. Will this controller fix this problem?
 NewToHobbyKing 6321 points
Mel yes, but do the boats have standard servos. If not, you will need to buy servos too!
Customer Reviews
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Overall Rating
Trance183
753 likes
ValueUNRATED
QualityUNRATED
138 thumbs up!
For those who are tired of bad english and poorly translated instructions. Here is how to bind the MODE 1 radio system.

1. Connect 8 AA batteries inside your transmitter and leave it turned OFF.
2. Connect your Motor to your ESC.
3. Connect your ESC to your Receiver on Channel 3.
4. Connect your Bind-Plug to the BAT channel.
5. If you want to test a Servo, connect a Servo to Channel 1,2, or 4.
6. Connect any good charged Battery to your ESC. You should here a beep from your ESC (some ESC's do not beep) and your Receiver's LED Light should start blinking. The LED is hidden under the sticker.
7. While Holding down the Bind-Range-Test Button, turn on your Transmitter. After about 3 or 10 seconds the LED will stop blinking and you should be able to control your motor and any extra servos you connected.
8. If not try it all again. I found that turning off my Transmitter and turning it on helped reset any errors.
9. Give me points if this helped. :D



59 comments. Reply..

Create an account
Overall Rating

62 likes
ValueUNRATED
QualityUNRATED
35 thumbs up!
Excellent Product. Binding was easy, following Trance123 instructions. One note, you have to have an ESC to do the binding, as the binding plug takes up where you would normally plug the battery in. Once bound, you can then power up as normal.


1 comment. Reply..

Overall Rating
Berkie
95 likes
ValueUNRATED
QualityUNRATED
22 thumbs up!
Hobby King 2.4Ghz 4Ch Tx & Rx

It is well made and works well!
I have flown it at a distance of 500 metres with the range check button down & no problems.
Very good value for money
Oh so cheap, BUT it has twin receivers! This is almost unheard of in the lower priced systems.

I believe twin Rx to be very important. Why? Firstly I worked in the video industry for 21 years and it is common knowledge there that twin Rx is far more reliable in getting the signal through. If one Rx can't receive the other will.

To someone who is first time to 2.4Ghz you would need to look up the "binding" process on another manufacturer's site as there is no manual.
I am using NiMh AA's successfully in the Tx and these can be charged thru the input jack from your usual charger

See reviews at www.link


4 comments. Reply..

Overall Rating
Petr z Brna
59 likes
ValueUNRATED
QualityUNRATED
17 thumbs up!
Hobby King 2.4Ghz 4Ch Tx & Rx
I have received it on yesterday. This product was ordered on the 3rd Jan and arrived in my mail box here in Czech republic eleven days later. In Tx i use Sanyo 2700 mAH. I have measure, does Tx has a power input 147 mA. This i find werry good. Rx work good too without second receiver, but have not yet try diference. I will be buy again. Best regards from Brno.


1 comment. Reply..

Overall Rating
clarence33043
24 likes
ValueUNRATED
QualityUNRATED
9 thumbs up!
This is a great little radio at a great price. It has great range and I use it on electric plane. It binds like a jr and spectu. i am completely satisifed with it. Clarence


1 comment. Reply..

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