Quick Picks (At a Glance)
| Category | Model | Price (KSh) | Why It’s Great |
| Best Compact PBX System | Yeastar S20 | 33,000 | Perfect for small offices, supports 20 users |
| Best PBX Expansion Card | Yeastar EX08 | 9,540 | Flexible port expansion for S-Series PBX |
| Best User Extension Upgrade | Yeastar D30 | 22,960 | Adds up to 100 extra users to your PBX |
| Best GSM Connectivity Add-On | Yeastar GSM Module | 15,640 | Enables GSM trunking for S-Series PBX |
| Best FXO Connectivity Module | Yeastar O2 Module (2FXO) | 9,540 | Ideal for connecting analog lines |
| Best High-Capacity GSM VoIP Gateway | Yeastar TG800 | 110,800 | 8 SIM ports for bulk GSM-to-VoIP calls |
| Best Mid-Capacity GSM VoIP Gateway | Yeastar TG400 | 68,100 | 4 SIM ports for SME GSM-to-VoIP integration |
1) Best for Small Businesses – Core PBX Systems
Yeastar S20 — KSh 33,000
Quick Summary: A compact yet powerful PBX designed for small offices.
| Feature | Details |
| Max Users | 20 |
| Max Concurrent Calls | 10 |
| Best For | Startups, SMEs |
| Pros: Easy to deploy • Supports VoIP, GSM, and analog lines • Energy-efficient | |
| Cons: Limited to small user base |
2) Best for Expanding Your PBX Capacity
Yeastar EX08 Expansion Card — KSh 9,540
Quick Summary: Adds flexible port expansion to your Yeastar S-Series PBX.
| Feature | Details |
| Ports | Up to 4 module slots |
| Best For | Businesses adding new lines |
| Pros: Simple installation • Customizable with FXO/FXS modules | |
| Cons: Requires compatible PBX |
Yeastar D30 Extension Expansion Module — KSh 22,960
Quick Summary: Expands your PBX system’s user capacity by 100 extensions.
| Feature | Details |
| Max Additional Users | 100 |
| Max Additional Concurrent Calls | 30 |
| Best For | Growing SMEs |
| Pros: Cost-effective scaling • Easy slot-in installation | |
| Cons: Works only with S100/S300 models |
3) Best for GSM & Analog Integration
Yeastar GSM Module for S-Series PBX — KSh 15,640
Quick Summary: Enables GSM trunking for your Yeastar PBX system.
| Feature | Details |
| Type | GSM Module |
| SIM Slots | 1 |
| Best For | GSM backup lines, rural offices |
| Pros: Adds mobile call capability • Reliable GSM connectivity | |
| Cons: Single SIM per module |
Yeastar O2 Module (2FXO) — KSh 9,540
Quick Summary: Connects two analog telephone lines to your Yeastar PBX.
| Feature | Details |
| Ports | 2 FXO |
| Best For | Offices with analog line integration |
| Pros: Stable analog-to-VoIP connection • Easy setup | |
| Cons: For analog lines only |
4) Best for GSM-to-VoIP Gateways
Yeastar TG800 – 8 Ports GSM VoIP Gateway — KSh 110,800
Quick Summary: High-capacity GSM VoIP gateway for bulk call routing.
| Feature | Details |
| SIM Slots | 8 |
| Best For | Call centers, telecom businesses |
| Pros: Handles large call volumes • Reliable performance | |
| Cons: Requires VoIP knowledge for setup |
Yeastar TG400 – 4 Ports GSM VoIP Gateway — KSh 68,100
Quick Summary: Mid-range GSM VoIP gateway for SMEs.
| Feature | Details |
| SIM Slots | 4 |
| Best For | SMEs with moderate GSM call needs |
| Pros: Compact • Cost-effective • Easy management | |
| Cons: Not ideal for high-volume traffic |
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