Does the JACS TD191-B work in Germany?
✔ 3 networks good
Yes. The JACS TD191-B works on Deutsche Telekom, O2 Telefónica and Vodafone, every network we track in Germany.
- ✔ Good4G B1 B3 B7 B8 B20Evidence C · 6 sources
- ✔ Good4G B1 B3 B7 B8 B20Evidence C · 6 sources
- ✔ Good4G B1 B3 B7 B8 B20Evidence C · 6 sources
- B28 · missing
- B20
- B8
- B3
- B1
- 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: Deutsche Telekom 30 Jun 2028, O2 Telefónica 2028-H2 and Vodafone Sep 2028
3G off on all networks (2021)
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 → · Germany: 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: Germany Kimovil · Sep 2026
- B Deutsche Telekom touts 5G SA rollout (3.6 GHz for 5G, 2.1 GHz shared) Fierce Network · 2022
- B On-air 4G carriers by operator: Germany (carrier numbers observed, often with the licence record) Mast Database · mobile-spectrum-data (open data, LGPL-3.0) · 10 Oct 2026
- B GSM, LTE and 5G frequencies in Germany inside digital · 2026
- B Why every phone needs LTE 800 (all three networks use 800 MHz) teltarif · 2026
- B LTE frequencies and the 2015 auction results (Bundesnetzagentur) lte-anbieter.info · 2026
- B O2 switches off its last 3G sites on 30 December 2021 mobiFlip · 30 Dec 2021
Network by network
| Network | Verdict | Main bands | 4G bands (✓ supported · ½ partly · ✗ missing) | 5G | LTE-M · NB-IoT |
|---|---|---|---|---|---|
| Deutsche Telekom | ✔ Good 78% | — | B1✓ B3✓ B8✓ B20✓ B28✗ B7✓ | n1 n78 n3 n28 | LTE-M · NB-IoT |
| O2 Telefónica | ✔ Good 78% | — | B1✓ B3✓ B8✓ B20✓ B28✗ B7✓ | n28 n78 n1 n3 | LTE-M · NB-IoT |
| Vodafone | ✔ Good 80% | — | B1✓ B3✓ B7✓ B8✓ B20✓ B28✗ B38✓ | n1 n3 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.
