FrSky D4R-II - 4/8 Channel Receiver With CPPM

Quick Overview

Full telemetry data port, CPPM and RSSI output options and a very compact size.
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$21.40
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FrSky D4R-II - 4/8 Channel Receiver With CPPM

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Details

Compatible with FrSky two way telemetry modules: DFT, DJT, DHT, DHT-U

What makes this receiver different the the D4FR? The D4R-II's data port allows you to connect a sensor hub so you can connect GPS, Variometer, temperature, RPM and all of the other great FrSky sensors. It also has 2 full length detachable antennas. They managed to squeeze all this into a package just a little larger then the D4FR.

Specifications:

Dimension: 40*22.5*6mm
Weight: 5.8g / 5g (naked)
Operating Voltage Range: 3.5V-10.0V
Operating Current: 60mA
Operating Range: Full Range 
Resolution: 3072 (>11bit)

Features:
Firmware upgradeable!
2 full length antennas (replaceable)
One external analog telemetry port and one digital data-stream port (connect to Sensor Hub FSH-01)
RSSI (PWM) and CPPM output - If CH3 and CH4 are connected by a jumper, CH2 will output RSSI (PWM), and CH1 will output CPPM for CH1~CH8
Lighter weight and physically smaller than D8R-II Plus & D6FR
Alarm warning on low voltage, poor reception, etc.

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Out of stock

Great receiver and great service from Aloft Hobbies! Only 8 days delivery to England! Brilliant! Review by rob271257
Quality
Great receiver at a fantastic price and very reasonable delivery charges to the UK. Thank you! (Posted on 10/11/13)
Great rx for park flyers or autopilot use Review by doseven
Quality
I use this with my multirotor that accepts CPPM input, so from this 4 channel reciever I get 8 channels of CPPM. I also use this in my park flyer type aircraft and my scratchbuilds as 4 channels is all you need for most small planes or flying wings.

I like that they include the wire leads for the telemetry system with the reciever.
(Posted on 9/30/13)
Fantastic small full-range receiver with CPPM, voltage monitoring, diversity and full telemetry. Review by Scott
Quality
I love these receivers. I have 8 of them now. They're great for anything with a flight controller using a single-lead CPPM connection with the 27mS firmware installed. They have an external A2 port which is perfect for voltage monitoring with my Taranis. The best choice for anything small with 4 controls or fewer, or up to 8 channels with a flight for FBL controller. (Posted on 9/4/13)
Perfect for multi rotors that use CPPM Review by xtrmtrk
Quality
I've started converting all of my Naza and OpenPilot systems over to use this receiver - it's absolutely fantastic. It's pretty small, very light, has diversity antennas and supports all the CPPM channels I need on the Naza and OpenPilot. I'm converting over from the Spektrum world and builds using this receiver are so much cleaner and simpler. I really love this little receiver. Next I want to hook the RSSI up to my OSD, it shouldn't be a problem. (Posted on 7/18/13)
lighting fast shipping big bang for your buck Review by luis rivera
Quality
I recently sold off all my spektrum equipment and bought a turnigy 9xr with the frsky module. I recently bought this little receiver for my edge 540 on 5/9/13 and it was installed in my plane by noon 5/11. I live in ny state there in cali shipped first class enough said. The quality of the rx was very good and install was a breeze with the detailed instructions. Will def be buying for from these guys. (Posted on 5/12/13)
ppm output for FBL Review by Jarad
Quality
i'm running this rx with my beastx in single line ppm mode and it works perfect. It's nice not to have all those extra cables routed to the rx from the fbl unit and the rx is tiny.

I'll be using this same setup with a iKon fbl when the firmware is updated to handle it. (Posted on 3/12/13)
Great small receiver to add telemetry to any size aircraft. Review by Dale
Quality
These are great small receivers with telemetry no less. I now have 5 of them (And will be ordering more) and have converted all my old FM stuff over to 2.4 Ghz. The size lets them fit in most park size planes, and the dual antennas make for a rock solid signal. I have flow with these out until all I can see is a speck in the sky, Rock solid signal returned back to my transmitter.

Dale
(Posted on 7/26/12)
Excellent little receiver Review by txwindrider
Quality
I use this receiver in a 2M thermal glider with brushless outrunner and 3s lipo. I built my own voltage divider with two resistors on the A2 port to read the lipo voltage on the screen of my Turnigy 9X with DHT and ER9X. The lipo voltage and rssi telemetry give an added margin of safety that's well worth the added cost of Frsky's 2 way gear, with no weight penalty. The range performance seems as good as the V8FR, which is to say about as far as I can see to fly. I couldn't ask for more in terms of low weight, reasonable price, features and performance. And thumbs up to Aloft Hobbies for quick low cost shipping - I had this less than a week after ordering. (Posted on 5/19/12)

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Product FAQs

Does D4R-II has built in voltage sensor like the 6 channel? Does it take the "cheap" voltage sensor like the 6 channel?

Yes, all of the telemetry receivers from FrSky are now equipped with a built in voltage sensor that will read the voltage being fed to the receiver. If you power your radio via a Speed control or BEC, then you will only see the output of that device (typically 5 volts). In that case you will want to use the external voltage sensor and hook it up to the A2 port.

Is the antenna on this receiver replaceable?

Yes, you can replace both of the antennas. The stock length is 150mm, and we carry a variety of different lengths to help get the best location for your model.