Does the JACS TD191-B work in Ireland?
✔ 3 networks good
Yes. The JACS TD191-B works on Eir, Three and Vodafone, every network we track in Ireland.
- ✔ Good4G B3 B20Evidence C · 4 sources
- ✔ Good4G B3 B20Evidence C · 4 sources
- ✔ Good4G B3 B20Evidence C · 3 sources
- B28 · missing
- B20
- B3
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 being switched off: Vodafone Dec 2025
3G off on all networks (2024)
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 · ✔ United Kingdom 4/4 · ◐ New Zealand 0/3 · ◐ Japan 1/4 · ✔ South Korea 3/3 · ✔ Canada 3/3
Similar models here: Dongle 400 · 3/3 good · Huawei E3372h-320 · 3/3 good · Huawei E5576-320 · 3/3 good
All 172 countries for the JACS TD191-B → · Ireland: every network →
Sources for this answer (7) · 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 Frequency checker · Ireland Kimovil · 3 Oct 2026
- B Irish ARFCN list: LTE carriers measured per operator (B3, B20, B28) Mast Database · 4 Oct 2026
- C Eir: LTE B3 and B20 since 2013, B1 added December 2020 Powertec · 4 Oct 2026
- B On-air 4G carriers by operator: Ireland (carrier numbers observed, often with the licence record) Mast Database · mobile-spectrum-data (open data, LGPL-3.0) · 10 Oct 2026
- C Three Ireland: known frequencies (LTE B28, B20, B3, B1, B7; NR n3) Wikipedia · 4 Oct 2026
Network by network
| Network | Verdict | Main bands | 4G bands (✓ supported · ½ partly · ✗ missing) | 5G | LTE-M · NB-IoT |
|---|---|---|---|---|---|
| Eir | ✔ Good 60% | — | B3✓ B20✓ B28✗ B1✓ | — | — |
| Three | ✔ Good 60% | — | B3✓ B20✓ B28✗ B1✓ B7✓ | — | LTE-M · NB-IoT |
| Vodafone | ✔ Good 60% | — | B3✓ B20✓ B28✗ | — | 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.
