The Archer R4 has 4 high-precision PWM channel outputs bundled in a compact lightweight design. It supports full-range signal strength with dual detachable antennas to assure optimal antenna reception and maximum range.
The ARCHER GR8 has 8 high-precision PWM channel output and is ideal for any type of glider pilot. It features an upgraded high-precision variometer that gives pilots a quick, accurate altitude and vertical speed data.