Teledex E103-4GSK, E Series USB 2.4GHz, 1 Line Analog Cordless- Black, Part# EA11324S4DU 1100AS5891N11 Its speaker has a 150

Its speaker has a 150 Hz to 7 kHz frequency response for calls and can deliver a 150 Hz to 20 kHz frequency response with music

Wide operating temperature range

Catalog# 50100734

Eight RJ45 data input jacks and eight 4-pair 110 IDC’s for output provide robust data and voice distribution

Catalog# 50277529

Teledex E103-4GSK, E Series USB 2.4GHz, 1 Line Analog Cordless- Black, Part# EA11324S4DU 1100AS5891N11 Its speaker has a 150The Teledex E103 4GSK is a part of E Series USB 2. 4GHz Analog Cordless with 2. 4GHz, 1 Line, MW, Spkr, 2 USB Frequency: 2. 4 GHz Single or two line speakerphones 2 side USB power ports for device charging Handset kit has 2 USB power ports for device charging 4 or 8 configurable guest service keys Patented OneTouch voice mail retrieval Supports up to four handsets, including one on the base and three remotes Dual Neon LED message waiting light HAC VCH