I have 3 Spektrum 6 ch receivers for sale. All have been flight tested in my F550 and work perfectly with my DX6 transmitter. AR6100e microlite parkflyer - $20.00 AR610 Sport - $25.00 AR6210 - $35.00 All 3 for $70.00 or best offer PayPal preferred Prices include shipping to CONUS, AK and HI would be actual shipping costs extra. Pix: https://drive.google.com/drive/folde...jJKc3dnNnV2bW8 Cheers!!