Emissions Designator 2M91G7D
Bandwidth: 2.91 MHz
Modulation Type: [G] Angle-modulated, phase modulation (common; sounds like FM)
Modulation Nature:  Two or more digital channels
Information Type: [D] Data, telemetry, telecommand
The Emissions Designator 2M91G7D signifies a wireless radio which transfers data over a modulated wave using Two or more digital channels signal. This signal transmits at a 2.91 MHz [2M91] maximum bandwidth . bandwith does not indicate frequency of the signal. Emissions Designators describe the type of signal only.