How to set them up when multiple sets of MARS 300 PRO are used at the same location ? Hollyland Tech August 22, 2022 06:21 Updated Suggest using up to 3 sets of MARS 300 PRO at the same location Choose different frequency channels.Suggest using the Channel Scan feature on the Receiver to check the actual interference and then choose the Transmitter's clean channel.Do not use the same or adjacent channels；（eg A RX is channel 1, B RX should be ≥ channel 3） Distance between each Rx should be at least 0.5m Place all RXs 1.7m high Related articles How to install the transmitter and receiver to get the best performation ? How to set them up when multiple sets of MARS 400S are used at the same location? How to choose different fan modes? Why there is no video output when recording 4K ? How to find the WiFi password ? Comments 0 comments Article is closed for comments.