MULTIPLEX have 3 distinct receiver ranges;
M-LINK Light - A full range receiver for those who do not require a telemetry function (Light is merely 'light' of the telemetry functions)
M-LINK - A full range receiver featuring telemetry functions enabling you to access the MULTIPLEX range of sensors added. It transmits the link quality and receiver battery voltage as standard.
PRO - A high end receiver with full telemetry and error counting. Separate fuses per channel for extra safety and a high current connection option for those using multiple high drawing digi servos. Also features detachable and optional extended aerials.