Dimensions (approx)   25x55x85mm
Weight   50g
Temp. Range   -20°C - +60°C
Power   Line Powered
Idle Current   25 uA
Off-Hook Voltage   4.0VDC (min)
Line Requirement   Loop Start POTS
Line Connection   RJ11 or BT
Ringer Equivalence   <0.1b
Digit Recognition   Tone & Pulse
Dialling Delay (Typical)   0 ms
Access Types   1, 2 & 3 Stage
DTMF Detection Time   Var 10-990ms
DTMF Output   Var 50-990ms
Tone Recognition   50Hz - 3KHz
Surge Protection   260V Transorb