country BD (Bangladesh) entry: update to current BTRC allocations (2.4/5/6 GHz)

Mon Aug 24 01:55:42 PDT 2026

Hi,

On Mon, Aug 24, 2026 at 4:42 PM Nahid Hasan <nahidhasan12391 at gmail.com> wrote:
>
> Hi,
> Thank you for the feedback. To clarify, the proposed update covers the
> full range of 5 GHz and 6 GHz bands as authorized by the BTRC. Below
> are the specific power limit (EIRP) references for each segment,
> including the lower 5 GHz bands.
>
> 1) 5150 - 5350 MHz (channels 36-64)The lower 5 GHz band is authorized
> for indoor use in Bangladesh. The technical parameters align with
> ITU-R M.1450-5, as formally adopted in the national spectrum
> framework.•Reference: ITU Bangladesh Spectrum Master Plan (Published
> 2021), Section 5.3.3, Table 5.2 "Technical Parameters for
> WLAN/RLAN".•Limit: 200 mW (23 dBm) EIRP.•Source URL:
> https://www.itu.int/en/ITU-D/Regional-Presence/AsiaPacific/Documents/Publications-Reports/Spectrum%20Master-plans/Bangladesh%20Spectrum%20master%20plan%20-%20Published.pdf
> (Page 42)

There is no section 5 in the master plan reference you provided.

> 2) 5470 - 5725 MHz (channels 100-144) and 5725 - 5850 MHz (channels
> 149-165)These bands are allocated for both indoor and outdoor use with
> higher power limits under DFS requirements for the
> mid-band.•Reference: ITU Bangladesh Spectrum Master Plan (2021), Table
> 5.2.•Limits:•5470 - 5725 MHz: 1 W (30 dBm) EIRP (DFS required).•5725 -
> 5875 MHz: 1 W (30 dBm) EIRP.•Source URL:
> https://www.itu.int/en/ITU-D/Regional-Presence/AsiaPacific/Documents/Publications-Reports/Spectrum%20Master-plans/Bangladesh%20Spectrum%20master%20plan%20-%20Published.pdf
> (Page 42)

Same here.

> 3) 5925 - 6425 MHz (6 GHz channels 1-97)Approved for "shared use" in
> September 2024. Technical specifications follow the APT (Asia-Pacific
> Telecommunity) framework.•Reference: BTRC Circular No.
> 14.32.0000.402.45.231.24.116 (15 September 2024).•Limit: 23 dBm EIRP
> (Low Power Indoor - LPI).•Source URL:
> https://btrc.gov.bd/pages/notices/6922ee00dbfbab28ce0c438d•Direct PDF:
> https://objectstorage.ap-dcc-gazipur-1.oraclecloud15.com/n/axvjbnqprylg/b/V2Ministry/o/office-btrc/2024/12/18337854ab6c487fa749464c7672c8a8.pdfUpdated

This document does not say anything beyond the band is approved.
Any official reference needs to say what the limitations are.

ChenYu

> Proposed Entry for BD:country
> BD: DFS-JP
>  (2402 - 2482 @ 40), (20)
>  (5150 - 5350 @ 80), (23), DFS
>  (5470 - 5725 @ 160), (30), DFS
>  (5725 - 5850 @ 80), (30)
>  (5925 - 6425 @ 160), (23)
>
> These values are consistent with official BTRC notices and the
> ITU-published National Spectrum Master Plan for Bangladesh.
>
> Best Regards
> Nahid Hasan
>
>
>
> On Mon, Aug 24, 2026 at 10:37 AM Chen-Yu Tsai <wens at kernel.org> wrote:
> >
> > Hi,
> >
> > On Fri, Aug 21, 2026 at 5:08 AM Nahid Hasan <nahidhasan12391 at gmail.com> wrote:
> > >
> > > Hello,
> > >
> > > I would like to propose an update to the "country BD" entry in the
> > > wireless-regdb database. The current entry only allows 2.4 GHz and a
> > > narrow slice of the 5.7 GHz band, while the regulator (BTRC, Bangladesh
> > > Telecommunication Regulatory Commission) has since approved much wider
> > > allocations. This outdated entry means that smartphones sold in
> > > Bangladesh (SIM MCC 470) cannot see or use 5 GHz channels 36-144 or any
> > > 6 GHz channel, even though these are officially permitted.
> > >
> > > Current entry (db.txt, line 224 as of wireless-regdb 2026-xx-xx):
> > >
> > > country BD: DFS-JP
> > > (2402 - 2482 @ 40), (20)
> > > (5735 - 5835 @ 80), (30)
> > >
> > > Proposed replacement, based on the regulator's National Frequency
> > > Allocation Plan and the BTRC circular dated 15 September 2024 which
> > > approved 5925-6425 MHz for unlicensed Wi-Fi/IoT/WLAN use:
> > >
> > > country BD: DFS-JP
> > > (2402 - 2482 @ 40), (20)
> > > (5150 - 5350 @ 80), (20), NO-OUTDOOR, AUTO-BW
> > > (5470 - 5725 @ 160), (20), DFS, AUTO-BW
> > > (5725 - 5850 @ 80), (30)
> > > (5925 - 6425 @ 160), (23)
> > >
> > > Justification for each block:
> > >
> > > 1) 2.4 GHz (2402 - 2482 @ 40), (20)
> > > No change; matches the long-standing SRD/ISM allocation of 2400-2483.5
> > > MHz.
> > >
> > > 2) 5150 - 5350 MHz (channels 36-64), (20) dBm, NO-OUTDOOR, AUTO-BW
> > > Allocated in the Bangladesh NFAP. Indoor-only with 20 dBm EIRP follows
> > > the ETSI-style practice already used in the region (as in DFS-JP).
> >
> > Please provide reference with power limit numbers.
> >
> > > 3) 5470 - 5725 MHz (channels 100-144), (20) dBm, DFS, AUTO-BW
> > > Allocated in the NFAP with radar-detection (DFS) requirement. A 60
> > > second CAC (Japan-style DFS, already selected for BD) is consistent.
> >
> > Please provide reference with power limit numbers.
> >
> > > 4) 5725 - 5850 MHz (channels 149-165), (30) dBm
> > > No change to the current entry, only extended from 5835 to 5850 MHz to
> > > match the NFAP allocation of 5725-5875 MHz (the upper part, 5850-5875,
> > > is omitted conservatively since it requires pre-authorization for
> > > commercial equipment; can be added once the regulator clarifies).
> > >
> > > 5) 5925 - 6425 MHz (6 GHz channels 1-97, up to 160 MHz), (23) dBm
> > > BTRC circular dated 15 September 2024 approved 5925-6425 MHz for
> > > Wi-Fi/IoT/WLAN on a shared basis. (23) dBm EIRP follows the conservative
> > > indoor-oriented approach used by neighboring regulators. 320 MHz
> > > (802.11be) is NOT included since the circular does not explicitly
> > > authorize the 320 MHz channel width.
> >
> > You need to provide power limit references for Bangladesh, not neighbouring
> > regions.
> >
> > > References:
> > >
> > > - BTRC circular approving 5925-6425 MHz for Wi-Fi/IoT/WLAN (15 Sep 2024):
> > >   https://btrc.gov.bd/site/notices/939916e8-a89a-4e3b-aa75-35a0a2172f59/
> > > - Bangladesh National Frequency Allocation Plan (ITU-published
> > >   Spectrum Master Plan):
> > >   https://www.itu.int/en/ITU-D/Regional-Presence/AsiaPacific/Documents/Publications-Reports/Spectrum%20Master-plans/Bangladesh%20Spectrum%20master%20plan%20-%20Published.pdf
> > > - Wi-Fi Alliance, regulations enabling 6 GHz Wi-Fi (BD entry):
> > >   https://www.wi-fi.org/regulations-enabling-6-ghz-wi-fi
> > > - Current BD entry in db.txt (kernel.org):
> > >   https://git.kernel.org/pub/scm/linux/kernel/git/wens/wireless-regdb.git/plain/db.txt
> > >
> > > Practical impact: With SIM MCC 470, Android and iOS devices apply the
> > > BD regulatory domain. The current narrow entry hides all 6 GHz
> > > channels and 5 GHz channels 36-144 from these devices in Bangladesh,
> > > even on Wi-Fi 6/6E/7 routers, forcing fallback to 802.11ac on
> > > 5 GHz. Updating this entry would restore access to the channels the
> > > regulator already permits.
> > >
> > > I am not a BTRC official; the regulator has not submitted this update
> > > itself, so I am proposing it on behalf of affected users, citing the
> > > regulator's published circular and allocation plan above. Please let me
> > > know if an official letter from BTRC is required before merging, and I
> > > will forward this request to the commission.
> >
> > A reference with the band and power limits, as well as any other
> > restrictions like DFS or TPC (andif TPC is required, what is the limit
> > if TPC is not implemented) needs to be provided. We cannot put random
> > numbers into the database without justification.
> >
> > The BRTC circular only says that the band is allowed. It does not provide
> > power limits.
> >
> > The allocation plan only gives bands, and they are quite coarse. And for
> > 5GHz, it says they are currently allocated to ISPs. It is implied that
> > a license is required.
> >
> >
> > Thanks
> > ChenYu
> >
> > > Thank you for your time and work on this database.
> > >
> > > Best regards,
> > > Nahid Hasan
> > > Dhaka, Bangladesh
> > > nahidhasan12391 at gmail.com
> > >