It's hard to talk about radio transmitters without the name Frsky coming up. They are a name stay in the RC industry and even more so in the drone category. Known for rock-solid performance, ruggedness, and reliability of their radios, FrSky has become the go-to radio for many pilots around the world.
FrSky R9 MM OTA 868MHz 16CH SBUS Receiver with ACCESS Protocol
£31.90 Inc. VAT
In comparison to the R9 Mini receiver, the R9 MM adds anย Inverted Smart Port.
In stock
This is FrSky’s R9 MMย OTA (Over the Air) version, which implements the new ACCESS protocol. It has all of the functions of the standard R9 MMย but brings with it support for new features associated with ACCESS, such as wireless firmware updates and binding. As with all receiver’s in the R9 range, the R9 MMย offers a long range, super low latency control link.
The R9 MMโs compact form factor design is also carried over to the OTA version, and the R9 MM-OTA supports inverted S.Port as well (it keeps an uninverted S.Port too). The receiverย also comes with the upgradeย Dipole T antenna to enhance reception and get the best long-range performance.
ACCST – if you want to use with R9 EU LBT ACCST Protocol, you can reflash the OTA receiver – firmware download here.
Please Note: The latest batch of the R9MM is now shipping with a new T Antenna, it looks like this:
Features:
- ACCESS Protocol and support OTA function
- Inverted S.Port enabled
- 868MHz (EU Version)
- Mini size and superlight weight
- S.Port enabled and support telemetry data transmission
- (Support F.Port, download firmware to support the function)
- 4 PWM Channels
- Low latency and high precision
- With RSSI output in SBUS
- Battery voltage detection supported
- Detachable Ipex connector antenna
- Number of Channels: ย 4/8CH (Telemetry) / 4/16CH (No Telemetry)
- Operating Voltage Range: DC 3.5V โ 10V
- Operating Current: 100mA@5V
- Operating Range: Up to 10km or above
- Compatibility:R9 series module (ACCESS protocol)
- Dimension: 16x10x2.8mm (LรWรH)
- Weight:ย 1.1g (including antenna)
Included:
- 1x FrSky R9 MM OTA Mini Receiver EU LBT
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FrSky Keywords: ACCST, ACCESS, D8, D16, LR12, EU LBT, ETHOS, SBUS, FPort, Smart Port, Taranis
SHIPPING & DELIVERY
We are based in the UK, but ship to most worldwide destinations. Postage rates are calculated by the size/weightย and shipment location. We process orders Monday to Friday and pride ourselves on our quick turnaround of orders - most UK orders will arrive the next day.
We are partnered with several delivery companiesย including Royal Mail, DHL, UPS and Parcel Force. If you have a special delivery requirement or would like to arrange a shop collection pleaseย contact us.
A confirmation email will be sent when your order has been dispatched. If you wish to change your order, please contact us promptly, as we won't be able to make amendments once the order has been shipped.




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Shipping to the UK
- Order before 4PM for same day dispatch with Royal Mail, 2PM for next day delivery with DHL and 1PM for next day delivery with APC.
- We offer FREE Shipping on UK orders over ยฃ99, weighing less than 1kg.
- The courier options deliver Monday to Friday, Royal Mail delivers to residential addresses on Monday to Saturday.
For small low value orders our cheapest delivery service is Royal Mail First Class.ย For a guaranteed next day delivery we recommendย Royal Mail Special Delivery orย one of our courier delivery options.
International Postage
- Order before 4PM for same day dispatch with Royal Mail.
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- DHL Express offersย NEXT DAY delivery to most Europeanย destinationsย and a very fast delivery for countries further afield, generally 2-3 days.
Orders shipped outside the EU may be subject to customs charges. These charges are additional to any delivery costs and will need to be paid by the recipient.
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