In this review we are checking the FrSky D8R XP, its characteristics and features of this receiver and more. This receiver can output up two 8 channels, both in PWM and CPPM mode, and it can also output RSSI by one of the PWM channels. It is compatible with two-way telemetry modules such as DFT, DJT, DHT, DHT-U. This means that the FrSky D8R XP can be bound to any of these modules.

The FrSky D8R XP is also a quite unique receiver, because although it is very similar to the FrSky D8R II Plus receiver, the XP model now incorporates the RSSI and CPPM outputs, that we have seen just above, and are very useful for First Person View aircrafts.

 

If you use a flight controller with the FrSky D8R XP, you will find especially useful the CPPM protocol which doesn't need as much wiring as the PWM protocol which needs an individual wire for a every channel, with CPPM instead, you will only need a single servo wire, and the signal of the 8 channels will go through up to the flight controller.

Furthermore, the CPPM protocol of the FrSky D8R XP can be used to control a trainer system wirelessly, and the RSSI value can be used to show the value of the link quality between the transmitter and receiver in the On Screen Display of First Person View aircrafts, this is not the same on other receivers as many other receivers do also send the RSSI value back to the transmitter, but not every receiver can output this data in order to show it on the OSD.

FEATURES

The FrSky D8R XP has two analog telemetry outputs, one is the output pin called A1, and the other analog output pin is called A2, but there is also a digital telemetry output port, which is the Rx pin output. Apart from that, the receiver also has the RSSI which can be obtained by the PWM output, and the CPPM protocol, these ones must be enabled with a jumper connected between channel 3 and channel 4.

By doing that, the channel number 1 will be capable to output all the 8 channels of the receiver with one wire by using the CPPM protocol, and the channel number 2 will output the PWM signal of the RSSI. Other cool feature of this receiver are the side port pins that, when you connect a jumper to the pins A1 and X, the A1 output will become a built-in battery voltage sensor instead of being an external analog telemetry port as normal.

 

You can also trust on this receiver thanks to the low battery voltage alarm warning, poor reception, and other alarms. The device can also have firmware updates, you can find the files for the latest update of the firmware receiver on the official FrSky webpage dedicated for the FrSky D8R XP, on the download section of the website.

In addition to all the previous features, with the FrSky D8R XP you can also select between two PPM modes, the FS mode which will provide you a servo frame rate of 18ms, in other words, a normal speed mode, but the receiver is also capable of running the HS mode, which provides a servo frame rate of 9ms, this is the high-speed mode of the receiver PPM.

SPECIFICATIONS

The FrSky D8R XP dimensions and weight of this receiver are (Dimensions: 55*25*14mm (L×W×H) & Weight: 12.4g). The working operating voltage range of this receiver is from 3.5V up to 10V, and its operating current is 1000mA. This receiver can operate between a range of 1.5 Km or even more, this means that is a full range receiver, which normally are enough for third person view flights, but also for FPV aircrafts which regularly pilots don’t go that far.

For all the characteristics shown above on this FrSky D8R XP review make this receiver a good election for aircrafts intended for flights within sight but also for First Person View aircrafts that are intended for medium range flights, and need 7 PWM outputs, but also for those ones who are looking for a premium flight experience thanks to the RSSI function, it's in-built sensors, the analog telemetry outputs and the utility of the CPPM protocol.