Does the JACS TD191-B work in Hong Kong, China?
✔ 4 networks good
Yes. The JACS TD191-B works on 3 (Three), China Mobile Hong Kong, csl and SmarTone, every network we track in Hong Kong, China.
- ✔ Good4G B3Evidence C · 2 sources
- ✔ Good4G B3Evidence C · 2 sources
- ✔ Good4G B3 B7Evidence C · 3 sources
- ✔ Good4G B1 B3 B7 B8Evidence C · 2 sources
- B8
- B3
- B1
- B7
below 1 GHz (coverage) 1–2.7 GHz 3–7 GHz mmWave · dashed = the JACS TD191-B lacks it · • = a main band
2G off on all networks (2021–2022)
3G switch-off planned: 3 (Three) Oct 2026
3G being switched off: SmarTone Sep 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 → · Hong Kong, China: 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 Frequency checker: Hong Kong, China (bands per operator) Kimovil · 10 Oct 2026
- B Hong Kong 4G: csl on 1800 and 2600 MHz; Three, PCCW and China Mobile Hong Kong on 1800 MHz South China Morning Post · Aug 2012
- C csl: LTE carrier aggregation of B3 and B7 Powertec · 4 Oct 2026
- C SmarTone: LTE B3 (2012), B7 and B8 (2014), B1 (2016) Powertec · 4 Oct 2026
Network by network
| Network | Verdict | Main bands | 4G bands (✓ supported · ½ partly · ✗ missing) | 5G | LTE-M · NB-IoT |
|---|---|---|---|---|---|
| 3 (Three) | ✔ Good 100% | — | B1✓ B3✓ B7✓ B8✓ B40✗ | — | NB-IoT |
| China Mobile Hong Kong | ✔ Good 100% | — | B1✓ B3✓ B7✓ B8✓ B40✗ | — | NB-IoT |
| csl | ✔ Good 100% | — | B1✓ B3✓ B7✓ B8✓ | — | LTE-M · NB-IoT |
| SmarTone | ✔ Good 100% | — | B1✓ B3✓ B7✓ B8✓ B40✗ | — | 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.
