The version of the Blue Jay that can program the outputs to fire e-matches before apogee, for multi-stage flights.
The Blue Jay 2 altimeter is the easiest rocketry altimeter to install and use.
Ground Station only - features an internal battery with charger, charger for external battery, USB-C interface
Tracker only - optional battery available here. The wire whip antenna option has equivalent LoRa performance and the antenna can stick through bulkheads to save space.
Full System - includes a ground station with included battery, a tracker, and a 400 mAhr tracker battery with battery adapter.
