In this article we propose a long wavelength VCSEL by VCSEL Optoelectronic Oscillator to generate high frequency carriers. Stability and quality are key factors to use Vertical-Cavity Surface-Emitting Lasers (VCSELs) in VCSEL Based Optoelectronic Oscillators (VBO). To enhance the performance of a 2.49 GHz VBO presented in [1]. The use of the optical injection locking technique applied to the VBO laser pump contributes to the VCSEL Relative Intensity Noise (RIN) reduction, and the increase of the modulation bandwidth that leads to a carrier phase noise reduction. The Injection Locked VCSEL Based Oscillator (ILVBO) performance will be presented and discussed taking into account the injection locking conditions of the laser source.