Emissions Designator 8M91G7W
Bandwidth: 8.91 MHz
Modulation Type: [G] Angle-modulated, phase modulation (common; sounds like FM)
Modulation Nature:  Two or more digital channels
Information Type: [W] Multiple Formats of Data Transmitted
Modulation Type Notes: G7W DVB-T, ISDB-T, or DTMB digital television, commonly on VHF or UHF Two-way radio
The Emissions Designator 8M91G7W signifies a wireless radio which transfers data over a modulated wave using Two or more digital channels signal. This signal transmits at a 8.91 MHz [8M91] maximum bandwidth . bandwith does not indicate frequency of the signal. Emissions Designators describe the type of signal only.