RadioPopper Jr2 Support

Easy, reliable triggering with remote power adjustment of flashes and strobes.

Jr2 Compatibility

Jr2 Transmitter

The Jr2 Transmitter is compatible with any camera body with a standard hotshoe. It is also compatible with older Sony camera bodies using the FA-HS1AM Hotshoe Adapter. It may be alternately triggered using a PC Sync cord between the 1/8″ trigger jack on the Jr2 Transmitter and your camera body.

The Jr2 Transmitter can remote trigger a camera body with the appropriate remote shutter release cable. Please contact RadioPopper Support to determine the appropriate cable.​

The Jr2 Transmitter will trigger the following RadioPopper devices:  RP Nano Receiver, PX Receiver (when used on Canon compatible speedlights), JrX Receiver (Note, the group used for controlling JrX Receivers must be changed from EV mode to % mode. You will not have stop accurate control of legacy JrX Receivers, though you will be able to approximate power level control from the % scale which approximates the dial position of legacy JrX Transmitter units).

Jr2 Receiver

​The Jr2 Receiver is compatible with most all studio strobes and handheld flashes with appropriate sync cable.  Jr2 Receivers are shipped with 3.5mm cable, 2.5mm and 1/4 inch sync adapters.

The Jr2 Receiver can remotely control power levels of most E-TTL Canon or I-TTL Nikon compatible flashes, including the Nikon 700 and 900 series flashes.

Jr2 Specifications

Jr2 Transmitter

  • ​​​​​​Dimensions: 1.75” x 2.25” x 1.25” (45mm x 57mm x 30mm)
  • Weight: 1.7 ounces / 48 grams (Including battery)
  • Battery: Two “AAA” Size Batteries
  • Battery Life: Approx 20 Hours total power-on time. We suggest use of Lithium or NiMH rechargeable batteries.
  • Radio Frequency: 902-928 Mhz, ISM Band (CE version: 868-868.6 Mhz)
  • Radio Range: 300 ft to 1750 ft depending on conditions and environment.
  • Maximum Sync Speed: 1/250 Shutter Speed for cameras having leaf shutters

Jr2 Receiver

  • Dimensions: 4.0” x 1.75” x 1.2” (100mm x 45mm x 30mm)
  • Weight: 1.9 ounces / 53 grams (Including battery)
  • Battery: Two “AAA” Size Batteries
  • Battery Life: Approx 8-10 Hours total power-on time. We suggest use of Lithium or NiMH rechargeable batteries.
  • Radio Frequency: 902-928 Mhz, ISM Band (CE version: 868-868.6 Mhz)
  • Radio Range: 300 ft to 1750 ft depending on conditions and environment

Jr2 Introduction Video

For a quick tour of the Jr2 Transmitter and Jr2 Receiver system, please have a look at this introduction video.  Then visit the Jr2 Online Guide.

The Jr2 User Guide is published online and is smart phone friendly for easy reference while on location.  Access the online guide by visiting rpjr2.com 

Free shipping to continental USA, orders over $50!

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