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The Graupner GR-12 SH+ HoTT (Hopping Telemetry Transmission) 2.4GHz 6 Channel receiver is designed with Graupner's unique telemetry technology, supporting bi-directional data transmission to give the user real-time sensor data. The use of up to 75 frequency hopping channels ensures extreme operating reliability and immunity to external interference. By utilizing a minimalist design that shaves the receiver to the lowest possible weight, the resulting product is truly a low mass and volume wonder. The receiver's telemetry functions, telemetry data such as input and output signal strength, receiver temperature, battery capacity and voltage are transmitted real time in-flight to the transmitter for onscreen review and post flight analysis. Featuring a versatile exposed, one-chip integrated RF design and MCU (Microcontroller Unit) chip, the GR-12 SH+ receiver is lightweight, has the smallest of form factors and is exceptionally affordable. Its small size, low weight and high quality make it ideal for use in small or low channel models. Other Graupner telemetry sensors can be plugged in through the Ch. 5 port via a Y-lead for passing further real-time, in-flight data to the transmitter.