AT&T E5903B, E5921, E5902B user manual Technical specifications, 9VDC

Models: E5902B E5903B E5921

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Appendix

Technical specifications

RF frequency band

2400 MHz — 2483.5 MHz

(handsetto base)

 

 

 

RF frequency band

5725 MHz — 5850 MHz

(base to handset)

 

 

 

Channels

95

 

 

Operating tem-

32°F — 122°F

perature

0°C — 50°C

 

 

Telephone base voltage

96 — 130

(AC voltage, 60Hz)

Vrms

 

 

Handsetvoltage

3.2 — 4.7 VDC 600mAh

 

 

Chargervoltage

9VDC

(AC adapteroutput)

@200mA

 

 

Replacementbatt��ery

3.6V 600mAh

 

 

5.8 GHz digital spread spectr��um frequency hopping technology

This technology digitally transmits your voice across multiple channels in both the 5.8GHz and 2.4GHz frequencies to provide enhanced range, ultimate sound clarity and advanced privacy against eavesdropping on your calls, while not interfering with wireless routers.

Telephone operating range

This cordless telephone operates within the maximum power allowed by the Federal Communications Commission (FCC). Even so, this handset and base can communicate over only a certain distance — which can vary with the locations of the base and handset, the weather, and the construction of your home or office.

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AT&T E5903B, E5921, E5902B user manual Technical specifications, 9VDC