The D-Link DSL-30CF Splitter (HQ) is a premium-grade DSL line separator designed to eliminate noise and interference between telephone and ADSL signals. This compact and reliable splitter separates voice frequencies and data frequencies, allowing simultaneous use of your telephone and internet connection without signal degradation.
Engineered for ADSL, ADSL2, and ADSL2+ Annex A/L/M standards, the DSL-30CF ensures clean, stable, and high-speed data transmission, even in demanding network environments. Ideal for homes and offices, it guarantees a stable connection for your modem or router while maintaining crystal-clear voice calls.
The splitter features three RJ-11 ports — one for the incoming telephone line, one for the phone (or mini-PBX), and one for the ADSL modem. Built from durable materials and precision circuitry, it delivers consistent high-quality filtering performance in a compact, lightweight form factor.
Key Specifications:
Brand: D-Link
Model: DSL-30CF / DSL-30CF/RS
Function: Frequency separation for phone and DSL lines
Interfaces:
1× RJ-11 port for telephone line input
1× RJ-11 port for telephone or mini-PBX
1× RJ-11 port for ADSL modem/router
Supported Standards: ADSL / ADSL2 / ADSL2+ (Annex A, L, M)
Purpose: Prevents interference between modem and phone signals
Use: Connects before the telephone to ensure clear calls and stable internet
Dimensions: 45 × 33 × 25 mm
Weight: 45 g
Color: White / Beige
Material: High-quality ABS housing
Type: Passive splitter (no power required)
Highlights:
Supports high-speed ADSL standards (Annex A/L/M)
Prevents line noise and interference between devices
Enables simultaneous voice and data transmission
Compact, lightweight, and easy to install
Compatible with all DSL modems and routers









