Yeastar SO GSM Module1 GSM Trunk Compatible with MyPBX /NeoGate

The GSM module is a module with 1 GSM channel that could call out by GSM

Yeastar 1 GSM Port Module – Specifications

General / Compatibility

• Module type: GSM (cellular trunk) — 1 GSM channel / port

• Compatible with: MyPBX (all main variants), NeoGate TG200 gateway, and Yeastar S‑Series PBX systems (e.g., S20, S50, S100, S300)

GSM / Network Parameters

• Channels: 1 GSM channel (1 SIM card slot)

• Supported GSM frequency bands: Quad-band — 850 MHz, 900 MHz, 1800 MHz, 1900 MHz

• GSM Engine: SIMCom module / chipset inside the GSM module

• Transmitter power: +33 dBm (2 W) for 850/900 MHz; +30 dBm (1 W) for 1800/1900 MHz

Supported Functions / Use Cases

• Enables GSM trunk: incoming and outgoing voice calls over mobile network using a SIM card

• Works as hybrid trunk option in MyPBX or Yeastar PBX setups, allowing a mix of VoIP, analog, and cellular trunks

• Suitable for small offices or remote sites where GSM network is more reliable than landline or broadband

Physical / Installation

• Module plugs into compatible PBX / gateway — no separate external box required

• Requires a standard 2G‑GSM SIM card, inserted like a mobile phone SIM