10. TECHNICAL DATA
Range: max. 300 m in open space
max. 50 m in buildings
Dialling options: DTMF (tone)
Batteries: 2 x 1.2V, 300 mAh AAA Type NiCd
rechargeable
Max. standby time: approx. 200 hours
Max. talk time: 9 hours
Ambient temperature: +5 °C to +45 °C
Permitted relative air humidity: 25 to 85 %
Power supply base adapter: 220/230V , 50 Hz
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Butler 2500/2501/DUO
B2500_2501_DUO.QXD 22/3/02 1:51 pm Page 55