Receivers compatible with Spektrum DSM2
MICRO RECEIVERS FOR SERVOS:
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Click to enlarge |
Name | Price | Weight | Size | Connector/Pad spacing |
Brushed ESC |
PCB | Channels | Comment |
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Rx31 Rx31-F |
£25 £25 |
0.23g |
9.3 x 9.9mm |
1.27mm (0.05") |
(1) 1 |
0.3mm | 4 |
Product page | Instructions Sum-PPM and Serial options DSM2 Surface and Air (1) = not installed |
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Rx31d![]() |
£26 | 0.24g |
9.8 x 10.2mm |
1.27mm (0.05") | 2 | 0.2mm | 4 |
Product page | Instructions Sum-PPM option DSM2 Air |
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Rx32d | £25 | 0.28g |
11.1 x 12.0mm |
1.27mm (0.05") | (2) | 0.3mm | 7 |
Product page | Instructions Sum-PPM and Serial options DSM2 Surface and Air (2) = not installed |
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Rx33 | £28 | 0.65g |
13.3 x 15.7mm |
1.0mm JST SH (IDC) -Spektrum & Falcon servos |
1 | 0.4mm |
6 (4 plugs) |
Instructions (v3.2) Instructions (v3.3) Sum-PPM and Serial options DSM2 Surface and Air |
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Rx34 | £28 | 0.68g |
11.7 x 16.5mm |
1.25mm MOLEX PICOBLADE -Futaba/Walkera/HobbyKing |
1 | 0.4mm |
6 (4 plugs) |
Instructions (v3.2) Instructions (v3.3) Sum-PPM and Serial options DSM2 Surface and Air |
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Rx35-N Rx35-V |
£25 £28 |
0.35g 0.71g |
12.1 x 17.0mm |
1.5mm JST ZH -as used on Spektrum AR6300 -Vertical or No connectors |
1 | 0.4mm |
6 (4 plugs) |
Instructions (v3.2) Instructions (v3.3) Sum-PPM and Serial options DSM2 Surface and Air |
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Rx36-N Rx36-V Rx36-H |
£25 £29 £28 |
0.38g 0.75g 1.30g |
11.6 x 26.3mm (Hori) |
2.54mm Standard -Vertical, Horizontal or No connectors |
1 | 0.4mm |
6 (4 plugs) |
Instructions (v3.2) Instructions (v3.3) Sum-PPM and Serial options DSM2 Surface and Air |
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Rx37 Rx37-F ![]() |
£28 £29 |
0.31g 0.33g |
14.1 x 15.0mm |
Solder points on Rx for servo +/- 10v operation |
(2) 2 |
0.4mm | 7 |
Product page | Instructions Sum-PPM option DSM2 Air (2) = not installed |

MICRO RECEIVERS FOR ACTUATORS: (11 ohm actuators except Rx46)
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Click to enlarge |
Name | Price | Weight | Size | Pad spacing |
Actuator outputs |
Brushed ESC |
Servo outputs |
PCB | Comment |
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Rx41 | £26 | 0.28g |
9.3 x 10.3mm |
0.8mm (0.031") | 1 | 1 | (1) | 0.4mm |
Instructions (v3.2) Instructions (v3.3) (1) = Servo output for Ch1 (brushless ESC) if Brushed ESC disabled DSM2 Surface and Air |
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Rx41d![]() |
£27 | 0.28g |
10.1 x 10.8mm |
1.27mm (0.05") | 1 | 2 | 3 | 0.2mm |
Product page | Instructions Sum-PPM option DSM2 Air |
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Rx42 | £27 | 0.32g |
11.1 x 12.3mm |
1.27mm (0.05") | 2 | 1 | 3 | 0.3mm |
Instructions (v3.2) Instructions (v3.3) DSM2 Surface and Air |
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Rx43 | £28 | 0.35g |
11.1 x 12.3mm |
1.27mm (0.05") | 3 | 1 | 1 | 0.3mm |
Instructions (v3.2) Instructions (v3.3) DSM2 Surface and Air |
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Rx43d![]() |
£29 | 0.35g |
11.8 x 12.9mm |
1.27mm (0.05") | 3 | 2 | 4 | 0.3mm |
Product page | Instructions Sum-PPM option DSM2 Air |
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Rx46-1 Rx46-2 ![]() |
£33 £33 |
0.15g 0.16g |
8.8 x 9.3mm |
1.2mm | (1) |
1 2 |
3 | 0.1mm |
Product page | Instructions Sum-PPM option DSM2 Air (1) = One 150ohm+ actuator |
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Rx51-M Rx51-MC |
£27 £29 |
0.30g 0.42g |
11.0 x 12.3mm |
M=Magnets 5mm C=Connector 1.27mm (0.05") |
1 | 1 | 1 | 0.3mm |
Instructions (v3.3) Bahoma receiver DSM2 Surface and Air |
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Rx52-M Rx52-MC |
£28 £31 |
0.31g 0.50g |
12.0 x 13.1mm |
M=Magnets 5mm C=Connector 1.27mm (0.05") |
2 | 1 | 1 | 0.3mm |
Instructions (v3.3) Bahoma receiver DSM2 Surface and Air |
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Rx53-M Rx53-MC |
£29 £33 |
0.37g 0.60g |
12.0 x 15.0mm |
M=Magnets 5mm C=Connector 1.27mm (0.05") |
3 | 1 | 1 | 0.3mm |
Instructions (v3.3) Bahoma receiver DSM2 Surface and Air |
RECEIVERS FOR CARS, TRAINS, BOATS, ROBOTS...
Control up to 5 forward/reverse motors, 8 servos and 10 on/off outputs.
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Click to enlarge |
Name | Price | Weight | Size | Pad spacing |
Max 2-way motor current ('H') |
H outputs |
F outputs |
P outputs |
Info |
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Rx41d-v5![]() |
£27 | 0.28g |
10.1 x 10.8mm |
1.27mm (0.05") | 500mA | 1 | 2 | 3 | Product page | Instructions | Programming |
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Rx43d-1-v5 Rx43d-2-v5 Rx43d-3-v5 Rx43d-4-v5 ![]() |
£29 £29 £29 £33 (*incl. ADD1) |
0.35g |
11.8 x 12.9mm |
1.27mm (0.05") |
400mA 800mA 800mA 800mA |
1 2 3 4* |
2 2 2 2 |
8 6 4 2 |
Product page | Instructions | Programming Product page | Instructions | Programming Product page | Instructions | Programming Product page | Instructions | Programming |
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Rx45-v5
![]() |
£28 | 0.24g |
9.0 x 9.6mm |
0.8mm (1/32") | 500mA | 1 | 2 | 5 | Product page | Instructions | Programming |
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Rx100-v5 Rx100-T-v5 ![]() |
£12 Free with every 'v5' (introductory offer) (subject to availability) |
3.8g |
18 x 40mm |
2.54mm (0.1") 'T' version has 3 extra leds to help learn programming |
8 | Product page | Instructions | Programming | |||
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ADD1 ADD2 ![]() |
£4 £7 |
0.06g 0.11g |
4.4 x 9.0mm 6.3 x 12.5mm |
1.4mm 1.5mm |
800mA 3000mA |
1 1 |
Addon boards boost power of H outputs and convert F outputs to H outputs Product page |
'H' outputs = reversable ESC's for brushed motors and actuators
'F' outputs = 1-way ESC's for brushed motors and high current on/off switching
'P' outputs = signal Pads for Servos, Leds and low current switching
ACCESSORIES FOR CARS AND TRAINS:
MORE ROBUST RECEIVERS FOR SERVOS (good quality):
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Click to enlarge |
Name | Price | Weight | Size | Connector/Pad spacing |
Brushed ESC |
Brushless Output |
PCB/ Heatshrink |
Channels | Comment |
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Rx27-N Rx27-V Rx27-H Rx27-HU |
£25 £28 £28 £30 |
0.7g 1.8g 2.1g 2.6g |
14.5 x 29.0mm (Hori) |
2.54mm Standard -Vertical, Horizontal or No connectors U=150mm coax aerial -available with all connector options |
No | Yes |
0.8mm Yes |
6 (5 plugs normally) (6th on request +£1) |
Instructions (v2.6) Same as Rx22 but has provision for 6th connector and coax aerial |
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Rx73-H Rx73-HU |
£30 £34 |
3.6g 4.0g |
18.0 x 36.0mm (Hori) |
2.54mm Standard -Vertical, Horizontal or No connectors U=150mm coax aerial -available with all connector options |
No | Yes |
0.8mm Yes |
7 |
Instructions (v2.6) Antenna diversity Made to order |
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Rx71-N Rx71-V Rx71-H |
£30 £32 £32 |
1.1g 2.4g 2.8g |
17.0 x 36.0mm (Hori) |
2.54mm Standard -Vertical, Horizontal or No connectors |
No | Yes |
0.8mm Yes |
6 |
Instructions (v2.5) Instructions (v2.6) Antenna diversity No stock |
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Rx72-N Rx72-V Rx72-H |
£32 £33 £34 |
2.2g ? 3.8g |
22.0 x 36.0mm (Hori) |
2.54mm Standard -Vertical, Horizontal or No connectors |
No | Yes |
0.8mm Yes |
7 (8 plugs) |
Instructions (v2.5) Instructions (v2.6) Antenna diversity No stock |
CONNECTORS:
TRANSMITTERS:
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Click to enlarge |
Name | Price | Size | Description |
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Tx1-M | £15 | 18 x 40mm |
Simple short-range transmitter that works with all DSM2 receivers. As a module it allows up to 7-channels to be controlled with a conventional transmitter, flight sims and specialised circuits. This version requires a PPM input and some DIY skills to install. v114 has JR, Futaba and Multiplex channel options. The 'J' and 'M' versions can do the same things with appropriate inputs as described in the Product page |
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Tx1-J | £20 | 18 x 40mm |
Simple short-range transmitter that works with all DSM2 receivers. The 'J' version has a Joystick and operates as a stand-alone 2-channel transmitter. It is unique in that you can hold the transmitter and control a model with one hand. It is suitable for stable models. It would typically be used with Throttle and Rudder but could control things like a free-flight dethermalise servo. It has two 'car' modes with forward/reverse throttle control. The 'J' and 'M' versions can do the same things with appropriate inputs as described in the instructions: Product page |
DSM2ir:
Receivers to control IR helicopters (prototype stage still)
MORE RECEIVER INFO:
Detailed specifications
Old designs
FREE FLIGHT TIMERS:
Prototype timers