Return to Answer

Well, according to this summary of Voyager's telecommunications systems by JPL's Deep Space Communications and Navigation Systems Center of Excellence (DESCANSO), the uplink frequency (Earth to Voyager) is 2113.3 MHz. Here's the downlink (Voyager to Earth) frequencies of both Voyager 1 and 2:

So Voyager 2 uses a frequency of 2295 MHz (S-band) or 8415 MHz (X-band).

Does anybody know the bandwidth of the Voyager 2 radio antenna?

Well there are different bandwidths for different functions. This summary of Voyager's telecommunications systems by JPL's Deep Space Communications and Navigations Systems Center of Excellence (DESCANSO) claims Voyager has 4 main functions for communication. They are carrier tracking (Doppler), command, telemetry, and ranging. NASA's webpage on Voyager's Instrument Information states,

. . . the carrier tracking loop bandwidth was 18 Hz, and the ranging channel noise bandwidth was 1.5 MHz.

EDIT: I initially thought that the OP was asking about the frequency of Voyager's communications system. So I might as well add that information too.

The uplink frequency Voyager receives (Earth to Voyager) is 2113.3 MHz. These are the downlink (Voyager to Earth) frequencies of both Voyager 1 and 2:

Voyager 2 uses a frequency of 2295 MHz (S-band) or 8415 MHz (X-band).

Well, according to this summary of Voyager's telecommunications systems by JPL's Deep Space Communications and Navigation Systems Center of Excellence (DESCANSO), the uplink frequency (Earth to Voyager) is 2113.3 MHz. Here's the downlink (Voyager to Earth) frequencies of both Voyager 1 and 2:

So Voyager 2 uses a frequency of 2295 MHz (S-band) or 8415 MHz (X-band).

And by the way. Bandwidth is not measured in hertz. It's data transfer rate. So it's measured in kbps (kilo-bits per second), Mbps (Mega-bits per second) and etc.

Well, according to this summary of Voyager's telecommunications systems by JPL's Deep Space Communications and Navigation Systems Center of Excellence (DESCANSO), the uplink frequency (Earth to Voyager) is 2113.3 MHz. Here's the downlink (Voyager to Earth) frequencies of both Voyager 1 and 2:

So Voyager 2 uses a frequency of 2295 MHz (S-band) or 8415 MHz (X-band).

Well, according to this summary of Voyager's telecommunications systems by JPL's Deep Space Communications and Navigation Systems Center of Excellence (DESCANSO), the uplink frequency (Earth to Voyager) is 2113.3 MHz. Here's the downlink (Voyager to Earth) frequencies of both Voyager 1 and 2:

So Voyager 2 uses a frequency of 2295 MHz (S-band) or 8415 MHz (X-band).

Well, according to this summary of Voyager's telecommunications systems by JPL's Deep Space Communications and Navigation Systems Center of Excellence (DESCANSO), the uplink frequency (Earth to Voyager) is 2113.3 MHz. Here's the downlink (Voyager to Earth) frequencies of both Voyager 1 and 2:

So Voyager 2 uses a frequency of 2295 MHz (S-band) or 8415 MHz (X-band).

And by the way. Bandwidth is not measured in hertz. It's data transfer rate. So it's measured in kbps (kilo-bits per second), Mbps (Mega-bits per second) and etc.