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Download Brochure User Guide Download SaTerm Software SATEL announces the launch a revolutionary VHF wireless data communications modem/ network management software bundle designed for professional remote monitoring and control applications. The latest in their range of modems, this innovative SATELLINE-3AS VHF reliably transmits data at up to 19.2 kbits per second over tens of kilometres (depending on environment).  The 3AS VHF is remotely configurable and comes with powerful network management software.  The combination of excellent network management facilities and good propagation of VHF frequencies creates a robust platform for implementing a wide range of industrial telemetry systems.  It is particularly suitable where reliability is a priority, as well as those which may be subject to frequent network reconfiguration. Typical applications include the supervisory control and data acquisition (SCADA) of unmanned equipment such as water and pipeline pumping stations, wind turbines, and weather stations. "Bundling remotely-manageable modems with management software makes the creation of wireless data collection and alarm transfer networks simpler than ever before", says SATEL's Marketing Director, Aulis Törmä. "The configuration potential embedded into this new product is immense, enabling our customers to create optimised solutions for an extremely wide range of networking scenarios." The SATELLINE-3AS VHF is a half-duplex modem and is truly plug and play: the tough housing measures less than 14 x 7 cm - excluding the antenna - and weighs just 265 g.  It is highly configurable and may be set up for data communications anywhere in the 138-174 MHz band, with up to 1600 or 800 channels spaced at 12.5 or 25 kHz, with data transmission at 9.6 or 19.2 kbits per second, and has carrier output power levels ranging from 0.1 to 5 W - depending on the coverage required (continuous operation at 5 W requires an additional heat sink).  The radio also offers a universal serial interface for easy connection to local equipment. It is compatible with RS-232/422/485 standards, and can be programmed to operate at a variety of data rates between 1.2 and 38.4 kbit /second. The versatile network management system (NMS) greatly extends the functionality of SATEL's latest modem. The software runs on a PC connected to a node which is configured as a master station. NMS provides a comprehensive suite of functions for both creating and managing radio modem networks, including the graphical design of topology and message routing or repeater functions, remote modification of settings, and logging and trending of field data.  Powerful diagnostic reporting are also included, providing access to the SATELLINE modem's built-in reliability monitoring functionality.  These include RSSI (received signal strength indication), indication of the power source voltage level, and internal temperature. In conjunction with NMS's monitoring and data logging capability, these features allows users to both anticipate and deal with many other potential issues efficiently - for example by changing message routing and scheduling maintenance or inspection to take place during planned site visits. Applications for the new modems and network management software can be found in almost every industry, from transportation to mining, monitoring and control in oil and gas production, pipelines and refineries, to urban surveillance. There are also numerous mobile applications such as safety devices for lone workers. SATELLINE-3AS VHF modems comply with FCC CR47 part 90 and EN 300 113 / 300 220 Class 1 specifications. /ins

Technical Specifications v1.5. for modems:

SATELLINE-3AS VHF and SATELLINE-3ASd VHF

The equipment complies with the FCC:

CFR47 part 90

The equipment complies with the ETSI:

TX: EN 300 113

RX: EN 300 220 class 1

EMC standard EN 301 489

Safety standard EN 60950

TRANSCEIVER

Frequency Range 135...174 MHz

Channel Spacing 12,5 kHz/25kHz

Number of Channels 1600/800

Frequency Stability <  650 Hz

Type of Emission F1D

Communication Mode Half-Duplex

Transmitter

Carrier Power 100 mW, 500 mW, 1 W, 5W/50 ohm

Carrier Power Stability + 2 dB / - 3 dB

Adjacent Channel Power according to EN 300 220/EN 300 113 and CRF47 part90

Spurious Radiations according to EN 300 220/EN 300 113

Receiver

Sensitivity - 116... -110 dBm ( BER < 10 E-3 )

Co-channel Rejection > - 12 dB

Adjacent Channel Selectivity > 50/60 dB

Intermodulation Attenuation > 60 dB

Spurious Radiations < 2 nW

DATA MODEM

Interface RS-232 or RS-485, RS-422

Interface Connector D15, female

Data speed of RS Interface 300 - 38400 bps

Data speed of Radio Interface 9600/19200 bps

Data Formats Asynchronous data

GENERAL

Operating Voltage + 9 ...+ 30 Vdc

Power Consumption 1.7 VA max ( Receive )

TBD VA max ( 5W Transmit )

0.05 VA typical ( when DTR is "0" )

Temperature Range -25 C...+55 C

Antenna Connector TNC, 50 ohm, female

Construction Aluminium enclosure

Size H x W x D 137 x 67 x 29 mm

Installation Plate 130 x 63 x 1 mm

Weight 265 g without the heat sink, TBD with the heat sink

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