Isaiah 5:26 also describes a banner lifted up for distant nations — identical imagery of signaling.

Isaiah 13:2 commands lifting a banner on a bare mountain — nearly identical action and setting.

Isaiah 11:12 uses the same 'raise a signal' phrase for gathering exiles, directly echoing the banner imagery.

Isaiah 27:13 describes a great trumpet gathering exiles, reinforcing the eschatological trumpet call.

Isaiah 34:1 expands the call to 'nations' and 'the earth and all its offspring,' directly mirroring the universal address and trumpet imagery.

Isaiah 62:10 uses the same 'lift up a signal' imagery, calling for a banner over the peoples—a direct lexical link to the raised signal.

Isaiah 7:18 uses whistling as a signal to summon distant nations — similar theme of summoning but different method.

Isaiah 66:19 describes God setting a 'sign' and sending survivors to distant nations, paralleling the global reach and signal motif.

Amos 3:6-8 uses the same trumpet imagery to signal God's judgment, emphasizing the trumpet's demand for a response.

Zechariah 9:14 depicts the LORD sounding the trumpet in battle, reinforcing the divine origin of the signal.

Numbers 10:9 commands trumpets for war alarms, paralleling the trumpet signal as a call to divine action.

Jeremiah 51:27 explicitly commands 'set up a signal' and 'blow the trumpet among the nations'—identical actions and purpose.

Numbers 2:2 describes tribal standards (same Hebrew word), linking the raised signal to Israel's camp organization.

Jeremiah 49:14 reports a message sent among the nations to gather for battle, similar to the summons in Isaiah 18:3 but focused on Edom.

Obadiah 1:1 tells of a messenger sent among the nations to rise for battle, echoing the global summons but specific to Edom.