FLYSKY 2.4 G FS-T4B 4 Channel Transmitter with FS-R6B receiver

FLYSKY 2.4 G   FS-T4B  4 channel Transmitter with FS-R6B Receiver.  Ideal for fixed wing, glider or Heli.   Super active or passive anti jamming capabilities offering superior protection against interference while maintaining lower power consumption and a high reliable receiver sensitivity. Each receiver has it's own unique ID and once it is paired will only communicate with each other.  Offers High quality and stability at an inexpensive price.  Comes boxed. Transmitter FS-T4B specs; 4 channel transmitter, RF range 2.4-2.475GHz, bandwidth 500 KHz, RF power less than 20 dBm, 2.4 G system: AFHDS, code type GFSK, low warning: less than 9V,  DSC port PS2: output:PPM, has a charger port,  ANT length 26 mm, weight 495 gram, power 12 V or 8 x 1.5 AA batteries. LED display, size 189 x 97 x 295 mm. Colour black and blue. Receiver  FS-R6B specs; 6 Channel, RF range 2.4-2.475 GHz, band 140, RX sensitivity -105 dBm, 2.4 G system AFHDS, code type GFSK, weight 13 gram, power 4.0 - 6.5 V, size 45 x 23 9 mm, colour grey transparent.