Crystal oscillator creates an electrical signal with a very precise frequency.
11.0592Mhz

Crystal oscillator

Specification:

  Model: CXO / VCXO
  Frequency Range: 1.000125.000MHz
  Supply Voltage: 3.3V dc±5% / 5.0V dc±5%
  Dimensions: DIP-14 / DIP-8
  Ts: ≤10ms
  Tr/Tf: 10ns(below 25MHz)
         6ns(25~70MHz)
         4ns(over 70MHz)
  Operating Temperature: -10+60 / -20+70
  Storage Temperature: -40+85
  Frequency Stability: ±25ppm/ ±50ppm/ ±100ppm
  Symmetey: 40%60%  45%55%
  Output Level: TTL / HCMOS
  Output Load: 15pF  50pF
  output 0 level: 0.5V
  output 1 level: ≥4.5V(5.0V) / ≥2.4V(3.3V)