Techline Communications offers the EnGenius DuraFon1X, 4X and PRO along with EnGenius accessories. This is the 3rd generation of Industrial long range cordless phone systems EnGenius has invented. The DuraFon1X has the longest range available in a cordless phone system. The EnGenius cordless can reach up to 250,000 square feet in manufacturing plants, warehouses, retail stores, and healthcare facility like environments; 12 floors in-building penetration; and 3,000 acres on farms, ranchers, and school campuses. The two-way-radio is independent of the base, allowing intercom and broadcast signals. You can even program your handset by individual base unit to receive all calls or just transfer. The system can also expand along with your growing business with up to 4-lines (1 line per base unit) and 36 handsets. The DuraFon1X carries more features like the Caller ID with call waiting, digital spread spectrum with frequency hopping, multi-line, 30-number speed dial and much more.