The GNSS performance of the CHCNAV i89 Pocket Visual RTK in dense forests. 

✅i89 supports 1408 channels,and can track the full constellation and frequency points.
✅ Incorporates the latest CHCNAV iStar2 and ionospheric interference rejection algorithms, providing an outstanding 96% reliable fix rate.
✅Features an advanced Hybrid GNSS Engine, delivering unparalleled accuracy and reliability in any environment.
✅High-accuracy 200Hz AUTO-IMU, boosting efficiency and say goodbye to manual initialization in the field!
✅Effortlessly visual stakeout, see the actual stakeout point, stakeout has never been easier.