FrSKY R9 MM OTA Receiver w/T Pattern Dipole Antenna

FrSKY R9 MM OTA Receiver w/T Pattern Dipole Antenna
Brand: FrSKY
Product Code: 03021840
Availability: In Stock
Price: USD$24.99
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This new version of the R9 MM is capable of running both the older ACCST protocol and the new ACCESS protocol by flashing different firmware (using the radio).

The R9 MM OTA offers non-inverted S.Port outputs (as well as inverted).  Why?  F4 processors can't handle inverted signals.  There's usually an inverter on the SBUS input but that's often the only one.  In those cases the solution for S.Port telemetry has been to set up soft serial to handle the inverted output.   The non-inverted output from the R9 MM can be connected to any UART.  Note that F3 and F7 boards don't have this issue - they can invert internally.The 900MHz R9 MM-OTA receiver implements the ACCESS protocol and brings the user improved performance and features.

(ACCESS only) The R9 MM-OTA supports wireless firmware updates over the air making binding to receivers even easier. As well as the convenience of checking the current receiver firmware version. The R9 MM’s compact form factor design is also carried over to the OTA version, and the R9 MM-OTA supports inverted S.Port as well.

Features

  • 915MHz (Non-LBT Version)/ 868MHz (LBT Version)
  • Mini size and super lightweight
  • Supports OTA firmware update
  • Supports firmware version check
  • S.Port enabled and support telemetry data transmission
    (Support F.Port, download firmware to support the function)
  • Inverted S.Port enabled
  • Low latency and high precision
  • With RSSI output in SBUS
  • Battery voltage detection supported
  • Detachable Ipex connector antenna

Specifications

  • Dimension: 16*10*2.8mm (L×W×H)
  • Weight: 0.7g (without antenna)
  • Number of Channels:
    Non-LBT Version: 4/16CH (Telemetry)
    LBT Version: 4/16CH (Telemetry) / 4/16CH (No Telemetry)
  • Operating Voltage Range: DC 3.5V – 10V
  • Operating Current: [email protected]
  • Operating Range: Up to 10km or above
  • Compatibility: R9M Lite/R9M/R9M 2019 with ACCST firmware
    R9M Lite/R9M Lite Pro/R9M 2019 with ACCESS firmware

Package

  • R9 MM
  • T Pattern dipole antenna Ipex4

Manua and firmware downloads here

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