The control cable (1.6 foot) and coaxial jumper cable (1.6 foot) are included.
Two joint plates are also included if you wish to physically join the the FC-50 and FT-891.
Shown above with the FT-891 (not included). 

Specifications: 
* Coverage: 1.8 - 29.7 MHz and 50 - 54 MHz 
* Input Impedance: 50 Ohms 
* Maximum Power: 100 watts 
* Tune Up Power: 4 - 60 watts 
* Memories: 100 
* Tuning time: 5 seconds or less 
* Antenna matching impedance HF: 16 to 150 Ohms 
* Antenna matching impedance 6m: 25 to 100 Ohms 
* Power Supply: 13.8 VDC (derived from the transceiver) 
* Size: 6.1 x 1.8 x 8.3 inches (155x45x211mm) 
* Weight: 3 lbs. (1.35 kg)