Yealink W70B DECT SIP Base Station – Up to 10 Handsets, Wireless IP Telephony Hub

Yealink W70B – Specifications

General / System Overview

• Model: W70B

• Type: DECT SIP base station — enables cordless IP handsets to connect and use VoIP/SIP via DECT

• Supports DECT SIP cordless handsets (such as W56H, W73H, etc.)

Capacity / SIP & Handset Limits

• Max number of associated handsets: 10

• Max simultaneous calls (system-wide): depends on handset and SIP subscription — typically supports multiple concurrent calls up to handset and trunk limits

DECT / Radio / Coverage / Connectivity

• DECT standard: CAT‑iq 2.0 / DECT

• Frequency band: DECT band (region‑dependent for DECT)

• Coverage / range: up to ~50 meters indoors (ideal conditions), up to ~300 meters outdoors / open area (ideal conditions)

• Connectivity to PBX/Network: Ethernet connection (RJ45) — connects base station to network / VoIP trunk / router

Features & VoIP Support

• SIP protocol support — acts as a SIP base for DECT cordless handsets

• Supports standard VoIP features when paired with compatible handsets: call signaling, registration of handsets, call routing via SIP server/PBX, voicemail, call hold/transfer, etc.

• Allows mobility — cordless handsets around premises connected via this base station instead of wired phones

Use Cases

• Ideal for small to medium offices, warehouses, shops — where cordless mobility is needed

• Allows user/deployment of multiple cordless handsets without needing separate analog lines — all managed via a central VoIP base station (W70B) + SIP trunk or PBX

• Useful where wiring is difficult or needs flexibility