TA-622 Specifications:
Operating modes: LB, LBR, BC, CBS, PABX and
impedance levels in accordance with international standards
Frequency range: 300 ,
3400 Hz
Impedance: 600 ohms at 1000 Hz
Range: 36dB maximum attenuation
Ringing (TX): Electronic Generator 25Hz or
magneto-electric generator (optional)
Receiving call: Electronic buzzer
Volume:
80 dB at a.c. 100 cm Adjustable
Power: 3 batt. BA-30 or BA 777
Output
power: ≥ 1.55W
Absorption:
In Conversation: <10 mA; In Call: ≤ 3.75V at
1.9A
Size:
approx 250 x 105 x 60 mm.
Weight:
about 2 kg (with batteries)