Campbell ST-21 - Page 4

© 2010, 2013
Campbell Scientic, Inc.
August 29, 2013
Campbell Scientic, Inc.
|
815 W 1800 N
|
Logan, UT 84321-1784
|
(435) 227-9000
|
www.campbellsci.com
USA | AUSTRALIA | BRAZIL | CANADA | CHINA | COSTA RICA | ENGLAND | FRANCE | GERMANY | SOUTH AFRICA | SPAIN
Specications
Operating Temperature Range: -30° to 70°C
CE Compliant
Supply Voltage: 12 V, nominal
Output Impedance: 50 Ω
High Power Level: 800 mW typical; 27 to 31 dbm
Argos Transmission Frequency: 401.618 to 401.680 MHz
Modulation (BPSK): -1.1 to +1.1 ±0.1 radians
Spurious Emissions: -45 dB
Length: 19.05 cm (7.5 in)
Height: 5.72 cm (2.25 in)
Width: 3.18 cm (1.25 in)
Weight: 224 g (7.9 oz)
Current Drain at 12 Vdc
Quiescent: 1.12 mA
Transmitting: 375 mA
Argos Transmitter
When ordering the transmitter, the customer needs to provide Campbell
Scientic with the number of buers, repetition rate, decimal ID, Dex ID,
frequency, and fail safe information.
ST-21 Argos Platform Transmitter Terminal PTT
Antenna Cable/Bulkhead Installations
12022 ARGOS 0 dBd OMNI Marine 1/2 Wave Dipole Antenna
3659 1 in. IPS Unthreaded Aluminum Pipe, 12 inches long for mount-
ing the antenna to a crossarm via the CM210.
CM210 Crossarm-To-Pole Mounting Kit for attaching the aluminum pipe
to a crossarm.
21212 Black Cold Shrink Tape, 10ft long Roll, 1in wide used to help
protect the antenna connections.
Ordering Information