ARD9000 AOR Digital Voice Modem for TX and RX


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Durham Radio Sales and Service Canada :: Amateur Radio :: DSP & Audio Filters :: ARD9000 AOR Digital Voice Modem for TX and RX

ARD9000 AOR Digital Voice Modem for TX and RX

AOR ARD-9000

AOR set the pace in this breakthrough technology with its ARD9800. Now, in response to worldwide demand, AOR has developed the ARD9000 which makes digital voice communications even more affordable.

AOR's digital voice technology delivers audio quality you have to hear to believe. Whether you are working digital voice across state lines or across an ocean, amazing doesn't seem strong enough to describe it.

With an ARD9000, it's easy to convert existing HF analog transceivers to work digital voice with NO transceiver modifications. The ARD9000 automatically detects a digital signal and decodes it, so you also maintain full analog capabilities. Whether a contact comes in as digital or analog, the ARD9000 can handle it.

Optional Cables to connect to transceivers are $39 each.
Please specify Transceiver model and mic connection type when ordering.

Main Features:

- No transceiver modifications necessary

- Digital voice communications using existing analog transceivers.

- Amazing Audio Quality.

- Works on Single Side Band (SSB) mode.

- Automatic digital receive.

- Optional interface cables for most popular transceivers.

- Built-in high grade Vocoder (AMBE)

- Built-in FEC error correction.

- Compact unit. Easy to operate.

- Utilizes a uniquely designed high performance DSP engine.

- Uses the established G4GUO open protocol.

Specifications:
Modulation method: OFDM

Band width: 300 Hz - 2500 Hz, 36 carriers.

Symbol Rate: 20 mS (50 baud)

Guard interval: 4mS

Tone steps: 62.5 Hz

Modulation method: 36 carriers: DQPSK (3.6K)

AFC: +/- 125 Hz

Error correction: Voice: Golay + Hamming.

Header: 1 Sec. 3 tones + BPSK training pattern for synchronization.

Digital voice: AMBE coder, decoder.

Signal detection: Automatic Digital detect, Automatic switching
between analog mode and digital mode.

Power requirements: 10 ~ 16 V DC, Approximately 100 mA Typ(@ 12 V DC)
6 V DC by internal jumper setting.

Dimensions (w, h, d): 70 x 33 x 98 (mm)
or 2.8 x 1.3 x 3.9 (inches) (Projections excluded.).

Connectors: Radio: Microphone output (level adjustable)
Speaker input (200 mV ~ 5 V p-p), External Speaker Output
DC Input Connectors
Speaker Microphone (with PTT).

Others: Force Synchronization Switch