BT Telephone Extension Booster (REN Booster)

Boosts your incoming telephone line to enable additional telephone devices (including fax and internet connections)  to be used on the same incoming telephone line.

Boosts the REN* value of incoming line from 4 to 11.

*(REN) Ringer Equivalence Number. Telephone lines usually have a REN of 4. They can operate up to 4 telephone products (e.g., phone, fax, answering machines) each with a REN value of 1. This product has a REN value of 1.

Specialist installation required.

Contents: BT REN Booster

Technical Data:

Made in: China
BT Item Number: 870788
Product Code: 1000020    more data..

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