Phone system for superior voice quality, using
sophisticated DSP based echo-canceling
- International supporting Caller I.D
- Rechargeable Battery support, using
smart DSP based charger.
- 100 Memories, 4 speed dial
- Last 8 numbers redial (using Up/Down
- Volume control for Handset and Speaker
- Music on hold.
- Tone/Pulse Switchable.
- Data Port
- IDD secure key
- Automatic power down activated by
- Ni-MH rechargeable battery
- 7 hours of continues talk.
Backup for power failure.
voice encryption system employs the following key
Performance, Non-Standard 3600 FDX QAM
Non-Standard 2520bps Voice
Triple DES algorithm
for voice encryption.
Unique random Key
negotiation for each call, using Elgamal Public key
algorithm with transaction using 128 - 2048 bits
is a non-standard propriety 3600bps QAM Full duplex
modem with 40% Forward Error correction.
The modem is
capable of operating with SNR as low as 8.1dB (for BER
The modem also supports waiting call
meaning the modem has a fast recovery system after a
waiting call (10msec to detect and 0.1 sec for full
The modem’s Dynamic Range is 51dB with a
minimum signal as low as 1mv at the input.
is 2520 bps Propriety CELP and Vector quantization
vocoder with a MOS score equal to 3.1.
includes an error correction algorithm and is capable of
working with BER as low as 1e-3.
voltage 1.8V – 4.7V typical 3.6V.
6V - 25V typical 12V.
Battery supply current -
DC jack supply current -
Sensitivity - 1mV (-57dbm on 600ohm).
Dynamic Range - 51dB.
Start up time <
2.5sec for 512 bits public key.
time < 0.1sec.
Modem BER Performance:
better than 1e-6 @ SNR of 8.1 dB
Vocoder BER: < 1e-3.
buttery current – 15mA.
-10dbm on 600ohm.
Caller I.D sensitivity: 1mv
(-57dbm on 600 ohm).
Caller I.D Minimal SNR:
DTMF tones - 100msec ON / 50msec OFF, for
regular and 50msec ON / 25msec OFF in Fast