Does a Faraday Bag Block 5G? Yes — When Built for the Right Bands

The Short Answer

Yes — a quality Faraday bag blocks 5G when built for the relevant frequency range. 5G operates across three bands: low (600 MHz – 1 GHz), mid including C-band (1 – 6 GHz, the dominant urban deployment), and mmWave (24 – 39 GHz, dense-urban downtown only). A bag rated 76+ dB across 30 MHz – 10 GHz blocks low and mid 5G fully — covering the bands your phone actually uses 95%+ of the time. mmWave is rare, short-range (under 200 m), and heavily attenuated by any obstruction. Most "5G pouches" tested only at LTE frequencies leak the C-band entirely.

Operational Details

The three bands your phone actually uses.

600 MHz

5G Low Band

3.5 GHz

5G C-Band (Mid)

24–39 GHz

5G mmWave

76–85 dB

REVIS-1 30 MHz – 10 GHz

Trusted by Operators

Privacy-conscious executives. Journalists. EP details. Anyone who needs to know which "5G blocking" claim is real.

The same broadband Faraday spec used for cellular silencing in catcher-active environments. 95%+ of your phone's 5G traffic is on low and mid bands — exactly what a 30 MHz – 10 GHz spec covers with margin. Read the spec sheet, not the band-name marketing.

Critical Distinction

Band by band — what each pouch actually blocks.

A "5G-blocking pouch" arrives. The product page promises "blocks 5G EMF." The reviews are full of people who don't know the difference between low band and C-band. You drop your phone in. It still has signal — because the pouch was tested at 800 MHz LTE, the 3.5 GHz C-band 5G signal walks straight through. The pouch isn't lying about blocking 5G low band. It's just not telling you it leaks the band 80% of urban 5G actually uses.

5G Band	Frequency	Real-world coverage	REVIS-1 Executive Guard
Low band (n5, n71)	600 MHz – 1 GHz	Suburban / rural primary	Fully blocked
Mid band (n2, n66)	1.7 – 2.7 GHz	Most urban 5G	Fully blocked
C-band (n77, n78)	3.3 – 4.2 GHz	Dominant new-deployment urban	Fully blocked
5 GHz fringe	4.8 – 5.0 GHz	Some carrier deployments	Fully blocked
mmWave (n260, n261)	24 – 39 GHz	Dense-urban downtown only	Significant attenuation extending into lower mmWave; physics aids at high freq

FAQ

Common questions on 5G Faraday blocking.

Does a Faraday bag block 5G?

Yes, when built for the right frequency bands. 5G operates across three bands: low (600 MHz – 1 GHz, used in suburban/rural deployments), mid (1 – 6 GHz, the dominant urban deployment, especially 3.5 GHz C-band), and mmWave (24 – 39 GHz, dense urban downtown only). A bag rated 76 dB across 30 MHz – 10 GHz blocks the low and mid bands fully — the bands your phone actually uses 95%+ of the time. mmWave is rare and short-range (under 200 m line-of-sight), and even non-Faraday materials attenuate it heavily.

What's different about 5G vs. 4G/LTE for Faraday blocking?

Frequency range. 4G/LTE operates at 600 MHz – 2.6 GHz across most U.S. carriers. 5G adds the C-band (3.5 GHz, mid-band) and mmWave (24 – 39 GHz) on top of the low and mid bands. A bag rated for the LTE range only (up to 2.6 GHz) will leak C-band 5G. A bag rated through 6 GHz blocks low, mid, and C-band 5G. Bags rated through 10 GHz cover everything except dense-urban mmWave.

Do I need to worry about 5G mmWave in real-world use?

Probably not. mmWave 5G (24 – 39 GHz) deploys only in dense-urban downtowns — think Times Square, downtown Chicago, Las Vegas Strip. Coverage radius per cell is under 200 meters and signal drops sharply at any obstruction including a person's body, glass, leaves, or rain. If you're in a mmWave-coverage area and concerned, the same Faraday bag that blocks low/mid 5G also attenuates mmWave significantly because the frequency is so high — physics works in your favor at higher frequencies. The REVIS-1 Executive Guard tests through 10 GHz with margin extending into the lower mmWave range.

My phone says I'm on 5G but the same Faraday bag silenced it. How?

Your phone is almost certainly on low-band or mid-band 5G — under 6 GHz. A bag rated 76+ dB across 30 MHz – 10 GHz blocks both. mmWave coverage is rare enough that most 5G connections are in the bands a quality Faraday bag fully covers. The five-test verification protocol catches any band-specific failure: if your phone goes silent in the bag with a 5G connection, the relevant bands are blocked.

Will 6G eventually break this?

6G research targets sub-THz frequencies (90 – 300 GHz) for some use cases, with deployment timelines around 2028–2030. Higher frequencies are progressively easier to attenuate with passive shielding because wavelength shrinks — the seams and gaps that leak at 2 GHz close at 100 GHz. A bag built for 30 MHz – 10 GHz with margin handles current and near-future cellular and will cover sub-bands of 6G as it deploys. The Faraday principle scales upward.

Which Faraday bag is right for blocking all current cellular bands?

The REVIS-1 Executive Guard. 76–85 dB across 30 MHz – 10 GHz covers 2G, 3G, 4G/LTE, 5G low-band, 5G mid-band, and 5G C-band — the full cellular spectrum your phone actually uses 95%+ of the time. Three independent shielded chambers — laptop, tablet+phone, wallet+keys+RFID. Boardroom-grade exterior. Made in the United States. $129.

5G isn't one frequency. It's three.

The three bands your phone actually uses.

Privacy-conscious executives. Journalists. EP details. Anyone who needs to know which "5G blocking" claim is real.

Band by band — what each pouch actually blocks.

Block every signal. Carry everything.

Common questions on 5G Faraday blocking.

Carry everything.