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The SATELLINE-2ASc is a small and light-weight radio modem used for a variety of applications involving half- duplex transfer of data messages. It features a synthesized radio, operating in the 400... 470 MHz frequency range. The frequency band in use is the center frequency +/- 1 MHz, which means that the number of possible radio channels is 80. SATELLINE-2ASc is compatible with interface type RS-232 which facilitates easy connection to various data terminals and systems.

In the Programming Mode the parameters and functions, frequency, character length and RTS/CTS set up ON/OFF, are conveniently set from a computer via the RS-232 interface.

With two SATELLINE-2ASc radio modems, or a SATELLINE-2ASc and a SATELLINE-2AS (or SATELLINE-1AS) radio modem, a point-to-point connection can easily be set up. The radio modem also lends itself perfectly to a radio communication systems that involves several substations operating on the same radio channel.

TECHNICAL SPECIFICATIONS FOR SATELLINE-2ASc

TRANCEIVER

 

Frequency range

400 ... 470 MHz / base band 2 MHz

Channel spacing

25 kHz

Transmitter

 

Carrier power

20 mW ... 1 W / 50 ohm (+27 dBm)

Receiver

 

Sensitivity

< - 115 dBm (BER < 10E-3)

Adjacent channel selectivity

> 60 dB

Modem

 

Interface

RS-232

Interface connector

D15 connector, female

Data speed

300 - 4800 bps

Data formats

Asynchronous data character lenght: 10 or 11 bits

Communication mode

Half-duplex

General

 

Operating voltage

+9 ... +30 Vdc

Current consumption

When DTR is OFF: 0.05 VA
When DTR is ON:
- receiving: 2.5 VA
- transmitting: 6.6 VA

Antenna connector

TNC, 50 ohm, female

Size H * W * D

137 * 67 * 29 mm

Weight

250 g

Temperature range

-25 ... +55 C


 

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