Metal Gear Solid Delta: Snake Eater – Ultimate Hidden Radio Tips

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In Metal Gear Solid Delta: Snake Eater, the codec isn’t just for chatting with your allies. Beyond calling for advice, your radio is a hidden powerhouse capable of restoring stamina, clearing alerts, calling in fire support, and unlocking doors. These secret radio frequencies are a faithful return from the original Snake Eater, preserved in Delta with the same effects and frequency numbers.

Whether you’re a returning fan or a newcomer, understanding these frequencies will give you a tactical edge across every mission. Here’s a complete breakdown of all secret radio frequencies in Metal Gear Solid Delta: Snake Eater.

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Healing Radio Frequencies

The Healing Radio frequencies restore Snake’s stamina while providing a relaxing soundtrack — each song works only once per playthrough. The exact frequencies vary depending on the difficulty level, giving you a tailored experience.

Song	Easy	Normal	Hard	Extreme
Salty Catfish / 66 Boys	140.01	145.83	146.07	141.42
Surfing Guitar / 66 Boys	147.08	148.39	141.59	146.45
Rock Me Baby / 66 Boys	140.52	146.65	143.83	148.66
Pillow Talk / Starry K.	142.94	148.96	144.25	140.16
Don’t Be Afraid / Rika Muranaka	149.53	141.85	144.63	149.39
Sailor / Starry K.	147.59	143.32	143.97	142.42
Jumpin’ Johnny / Chunk Raspberry	144.06	144.86	147.96	148.78
Sea Breeze / Sergei Mantis	141.42	142.09	145.72	145.18

💡 Pro Tip: Once you call a healing frequency for the first time, it is recorded permanently on your radio screen — no need to memorize or jot down numbers.

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Fire Support Radio Frequencies

Certain areas allow you to call in air strikes, a powerful tool to control enemy positions. You must interrogate a local soldier first to obtain the correct frequency. Without learning it, calling the radio results in no response.

Location	Easy	Normal	Hard	Extreme
Bolshaya Past South	140.73	141.62	147.23	146.14
Bolshaya Past Base	–	–	148.63	148.17
Ponizovje West	145.28	142.12	140.36	143.20
Ponizovje Warehouse: Exterior	143.89	147.32	144.19	148.98
Ponizovje Warehouse	144.03	148.56	144.19	140.22
Graniny Gorki Lab Exterior Yard	143.61	146.74	142.91	147.82
Svyatogornyj West	144.93	141.31	149.84	–
Svyatogornyj East	147.04	149.29	141.79	145.80
Krasnogorje Mountain Base	143.98	145.68	149.52	141.03
Krasnogorje Mountainside	144.93	147.90	149.12	146.46
Krasnogorje Mountaintop	143.56	140.09	142.29	145.99
Zaozyorje East	149.06	146.33	148.31	146.82

💡 Pro Tip: Calling in fire support for the first time earns a trophy, rewarding exploration and interrogation of enemies.

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Cancel Alert Radio Frequencies

When caught in Caution or Evasion states, you can use specific frequencies to cancel alerts. Remember, these only work during active alert states — calling outside these moments yields no effect.

Location	Easy	Normal	Hard	Extreme
Dolinovodno	–	–	146.20	142.65
Bolshaya Past South	143.03	147.11	146.91	144.52
Bolshaya Past Base	–	149.46	–	–
Ponizovje West	–	140.61	145.42	–
Ponizovje Warehouse: Exterior	149.75	–	–	–
Ponizovje Warehouse	149.63	141.45	142.48	143.72
Graniny Gorki Lab 1F/2F	149.90	–	–	145.07
Graniny Gorki Lab B1 East	–	–	144.87	145.31
Svyatogornyj West	148.87	142.79	145.59	144.28
Svyatogornyj East	146.59	148.04	142.03	147.79
Krasnogorje Mountain Base	–	–	140.58	148.54
Krasnogorje Mountainside	145.94	146.67	–	–
Krasnogorje Mountaintop	140.15	141.98	140.58	148.26
Groznyj Grad 1F Northeast Section	–	141.53	–	141.17
Groznyj Grad 1F Southeast Section	–	144.40	146.08	–
Groznyj Grad 1F Southwest Section	143.16	–	147.54	–
Groznyj Grad 1F Northwest Section	147.49	–	–	140.47
Groznyj Grad Weapons Lab East Wing	143.94	144.61	147.65	144.14

💡 Pro Tip: Always interrogate soldiers in the affected area first — you won’t receive a response if the frequency is unknown.

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Door Unlock Radio Frequencies

Certain Groznyj Grad base doors can only be unlocked via radio frequencies. This adds an extra layer of stealth and puzzle-solving in the second half of the game.

Door	Easy	Normal	Hard	Extreme
Weapons Lab East Wing 1F Eastern Door	148.13	148.13	141.41	141.06
Weapons Lab East Wing 2F Northern Door	147.86	147.86	147.86	149.48
Weapons Lab East Wing 1F Western Door	145.86	145.86	146.95	142.81
Weapons Lab East Wing 2F Southern Door	143.45	143.45	140.30	142.57
Groznyj Grad Prison Cell Door	144.75	144.75	144.75	144.75

💡 Pro Tip: These frequencies streamline exploration and allow for safer progression without risking alarms.

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Why These Frequencies Matter

The secret radio frequencies in Metal Gear Solid Delta: Snake Eater offer tangible gameplay benefits:

• Healing Radio: Restore stamina without using items.
• Fire Support: Strategically clear enemy-heavy areas.
• Cancel Alert: Escape tough situations during alert phases.
• Door Unlock: Gain access to key areas while avoiding traps or combat.

Every frequency rewards exploration and careful interrogation, encouraging stealthy and tactical gameplay.

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Whether you’re restoring your stamina, calling in backup, or opening locked doors, mastering these secret frequencies is essential to surviving the dangers of Metal Gear Solid Delta: Snake Eater. Keep your radio handy, interrogate every guard, and let the codec guide you to victory.

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