Does the JACS TD191-B work in Saudi Arabia?
✔ 3 networks good
Yes. The JACS TD191-B works on Mobily, stc and Zain KSA, every network we track in Saudi Arabia.
- ✔ Good4G B3 B38Evidence C · 2 sources
- ✔ Good4G B1 B3Evidence C · 3 sources
- ✔ Good4G B1 B3 B8 B38Evidence C · 3 sources
- B8
- B3
- B1
- B40 · missing
- B38
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: stc Q4 2025
3G off on all networks (2022–2024)
Long-term roaming is not allowed: plan a local SIM or profile (evidence B, checked 25 Oct 2026)
Same model, other markets (networks good): ✔ United States 3/3 · ◐ India 2/4 · ◐ Singapore 3/4 · ✔ United Kingdom 4/4 · ◐ New Zealand 0/3 · ◐ Japan 1/4 · ✔ South Korea 3/3 · ✔ Canada 3/3 · ◐ Australia 1/3
Similar models here: Huawei E5576-320 · 3/3 good · Huawei E5577-320 · 3/3 good · Quectel EC200U-EU · 3/3 good
All 172 countries for the JACS TD191-B → · Saudi Arabia: every network →
Sources for this answer (8) · 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: Saudi Arabia Kimovil · Sep 2026
- B Mobily: LTE on B38 TDD (2011) and B3 FDD (2013); 3G on B1 and B8 still active Powertec · 2026
- B stc KSA: LTE B40 (2011), B3 (2013), B1 and B8 after the 3G shutdown; NB-IoT on B28; n78 Powertec · 2026
- B CITC awards 2300–2600 MHz spectrum to STC (2300 MHz), Zain and Mobily Argaam · 23 Jan 2019
- B Zain KSA: LTE on B3, B1, B8 and B38 TDD; 3G shut down January 2024 Powertec · 2026
- B Zain Saudi Arabia launched LTE-A aggregating 1800 MHz and 2.1 GHz RCR Wireless · 25 Jun 2015
Network by network
| Network | Verdict | Main bands | 4G bands (✓ supported · ½ partly · ✗ missing) | 5G | LTE-M · NB-IoT |
|---|---|---|---|---|---|
| Mobily | ✔ Good 100% | — | B3✓ B38✓ B20✓ B41✓ | n1 n3 n8 n20 n78 | LTE-M · NB-IoT |
| stc | ✔ Good 67% | — | B1✓ B3✓ B40✗ B8✓ B28✗ | n78 n28 n1 n3 n8 n40 n77 n71 | NB-IoT |
| Zain KSA | ✔ Good 100% | — | B1✓ B3✓ B8✓ B38✓ B20✓ | n1 n3 n8 n20 n41 n78 | 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.
