Does the JACS TD191-B work in the United Kingdom?
✔ 4 networks good
Yes. The JACS TD191-B works on EE, O2, Three and Vodafone, every network we track in the United Kingdom.
- ✔ GoodMain bands B3 B7 B20Evidence A · 4 sources
- ✔ GoodMain bands B20Evidence A · 4 sources
- ✔ GoodMain bands B20Evidence A · 4 sources
- ✔ GoodMain bands B7 B20Evidence A · 4 sources
- B28 · missing
- • B20
- B8
- • B3
- B1
- B40 · missing
- B38
- • B7
None of the missing bands is a main band here, so they do not limit the verdict.
below 1 GHz (coverage) 1–2.7 GHz 3–7 GHz mmWave · dashed = the JACS TD191-B lacks it · • = a main band
2G switch-off planned: EE May 2029, O2 2029 and Vodafone 2030
3G off on all networks (2024–2026)
Long-term roaming is allowed (commercial agreements) (evidence B, checked 25 Oct 2026)
Same model, other markets (networks good): ✔ United States 3/3 · ◐ India 2/4 · ◐ Singapore 3/4 · ✔ Saudi Arabia 3/3 · ◐ New Zealand 0/3 · ◐ Japan 1/4 · ✔ South Korea 3/3 · ✔ Canada 3/3 · ◐ Australia 1/3
Similar models here: Dongle 400 · 4/4 good · Huawei E3372h-320 · 4/4 good · Huawei E5576-320 · 4/4 good
All 172 countries for the JACS TD191-B → · United Kingdom: every network →
Sources for this answer (6) · evidence A = two or more sources, one official · B = one official source · C = industry and independent sources
- A TD191-B 4G LTE USB Dongle: product page and specifications (LTE FDD B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B20/B66/B71, TDD B39/B41) JACS Solutions · 5 Nov 2026
- A TD191-B datasheet (DS-TD191-B, Qualcomm MDM9x07, LTE Cat 4) JACS Solutions · Sep 2022
- C UK country guide (sources: Ken’s Tech Tips, EE Community) Hyper Nexus · Sep 2026
- C Frequency checker · United Kingdom Kimovil · 30 Sep 2026
- B On-air 4G carriers by operator: United Kingdom (carrier numbers observed, often with the licence record) Mast Database · mobile-spectrum-data (open data, LGPL-3.0) · 10 Oct 2026
- A Frequency allocations: mobile and wireless broadband below 5 GHz (June 2024), by band and licensee Ofcom · Jun 2024
Network by network
| Network | Verdict | Main bands | 4G bands (✓ supported · ½ partly · ✗ missing) | 5G | LTE-M · NB-IoT |
|---|---|---|---|---|---|
| EE | ✔ Good 71% | B3 B7 B20 | B3✓ B7✓ B20✓ B1✓ B38✓ B28✗ | n78 n28 n1 n3 n7 | NB-IoT |
| O2 | ✔ Good 70% | B20 | B20✓ B1✓ B3✓ B40✗ B8✓ B38✓ B28✗ | n78 n28 n1 n8 n38 | LTE-M |
| Three | ✔ Good 60% | B3 B20 | B20✓ B1✓ B3✓ B28✗ | n78 n77 n28 n1 | — |
| Vodafone | ✔ Good 100% | B7 B20 | B7✓ B20✓ B1✓ B8✓ B38✓ B3✓ | n78 n1 n3 n7 n8 | LTE-M · NB-IoT |
Verdicts come from the Band Atlas engine on the open data (CC BY 4.0, GitHub). Networks change: confirm with the operator before you deploy. This page is not legal or certification advice.
