Does the JACS TD191-B work in Portugal?
✔ 4 networks good
Yes. The JACS TD191-B works on Digi, MEO, NOS and Vodafone, every network we track in Portugal.
- ✔ Good4G B3 B7 B8Evidence C · 3 sources
- ✔ Good4G B1 B3 B7 B8 B20Evidence C · 3 sources
- ✔ Good4G B1 B3 B7 B8 B20Evidence C · 3 sources
- ✔ Good4G B1 B3 B7 B8 B20Evidence C · 4 sources
- B20
- B8
- B3
- B1
- B38
- B7
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 Vodafone (2024)
3G being switched off: MEO Sep 2023
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 · 4/4 good · Huawei E3372h-320 · 4/4 good · Huawei E5576-320 · 4/4 good
All 172 countries for the JACS TD191-B → · Portugal: every network →
Sources for this answer (9) · 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 · Portugal Kimovil · 3 Oct 2026
- B Digi Portugal launches as the fourth MNO; Nowo holds 1800, 2600 and 3600 MHz licences TowerXchange · 5 Nov 2024
- B On-air 4G carriers by operator: Portugal (carrier numbers observed, often with the licence record) Mast Database · mobile-spectrum-data (open data, LGPL-3.0) · 10 Oct 2026
- C MEO: LTE on 2.6 GHz (2012), then 800 and 1800 MHz; aggregation of B7 and B3 Powertec · 4 Oct 2026
- D Portugal: 4G launched in 2012 on MEO, Vodafone and NOS on 800, 1800 and 2600 MHz (B20, B3, B7) Prepaid Data SIM Card wiki · 4 Oct 2026
- C Vodafone Portugal: LTE on 800 MHz and 2.6 GHz since 2012; B1 and B8 added in August 2024 Powertec · 4 Oct 2026
- B Vodafone Portugal wins 800, 1800 and 2600 MHz for 4G/LTE (2011 auction) Light Reading · 1 Dec 2011
Network by network
| Network | Verdict | Main bands | 4G bands (✓ supported · ½ partly · ✗ missing) | 5G | LTE-M · NB-IoT |
|---|---|---|---|---|---|
| Digi | ✔ Good 100% | — | B1✓ B3✓ B7✓ B8✓ B20✓ | — | — |
| MEO | ✔ Good 100% | — | B1✓ B3✓ B7✓ B8✓ B20✓ | — | LTE-M · NB-IoT |
| NOS | ✔ Good 100% | — | B1✓ B3✓ B7✓ B8✓ B20✓ | — | LTE-M · NB-IoT |
| Vodafone | ✔ Good 100% | — | B1✓ B3✓ B7✓ B8✓ B20✓ B38✓ | n28 n78 | 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.
