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Teledesign TS4000 900MHz UHF/VHF

True cloud-based sensor configuration, logging, reporting and data analysis all-in-one.


Shark (RS232/RS485 Bluetooth Serial Adapter)


A cloud-based interface to configure hardware, visualize data, analyze measurements, manage alarms, calculations, and set up data routing.

MEASUREMENTS TO MIND (M2M) is a growing suite of Stevens products that embraces cloud-computing with an all-inclusive vision of shortening the communication path from the sensors to data on-line. That is, what the sensors MEASURE the MIND sees.

The product finder lets you explore our catalog visually and filter products by type of monitoring, manufacturer, and more.


SOLO (smart SDI-12 power manager)
JL-2 (solar charge controller)
Power Supplies
Solar Panels

Smart SDI-12 power manager that also provides remote power cycling.

The product finder lets you explore our catalog visually and filter products by type of monitoring, manufacturer, and more.

The product finder lets you explore our catalog visually and filter products by type of monitoring, manufacturer, and more.

Stevens SatComm

GOES CS2/v2.0 Transmitter

Part # 93876

The Stevens SatComm GOES transmitter sends data via the GOES Data Collection System (DCS) at both 300 and 1200 baud data rates. It can operate with any data logger capable of exporting data packets through a serial port in any format designated by the logger and permitted by NOAA/NESDIS.

For even simpler and more cost-effective remote GOES-based monitoring stations, Stevens SatComm is also available with an optional internal data logger, adding the ability for sensors to be directly connected for data collection, storage and transmission with a single low-power device.

  • NESDIS CS2/v2.0 certified
  • Compatible with most 3rd party data loggers
  • Two data logger input modes:
    • Continuous listen to data logger mode
    • Trigger mode using CTS “clear to send”, with programmable advance turn-on time
  • Two-way communication port
  • Available with integrated data logger (4 analog, 1 pulse and 12 SDI-12 sensor inputs, 1 control output)
  • VSWR measurement ensures proper antenna connection after installation, and alerts you of potential problems proactively

  • More

    Standard RS-232 interface for connection to external logger

  • More

    Optional touchscreen for programming transmitter or integrated logger

  • More

    COM port (“DCP Command”-ready) allows connection to secondary telemetry (Cell, Inmarsat, Orbcomm, Iridium, etc.) for 2-way communication and dual telemetry


Stevens SatComm is fully compatible with most 3rd-party data loggers (connection via standard RS-232 port) or can be configured with an optional integrated datalogger, allowing for basic data collection tasks and data transmission to be preformed within one compact unit.


for your most critical data

Stevens SatComm uses a TCXO (temperature compensated crystal oscillator) to provide exceptional power efficiency, minimal frequency aging and unsurpassed longevity.

Unlike OCXOs (oven-controlled crystal oscillator) typically used, a TCXO:

  • reduces the overall power consumption by eliminating a high current oven, eliminating the time and need for warm-up
  • is not vulnerable to breaking due to power cycling
  • maintains frequency over time without drift
  • minimizes the risk of station failure due to constant power-cycling, and ensures that transmissions always occurs within assigned timeslot.

heath status

User-selectable station health status information can be prepended to each transmission (battery voltage, message number, lat/long, VSWR, internal temperature, etc.), allowing remote alerting of potential problem conditions.

data redundancy

Data redundancy allows previous data set to accompany the current data set, increasing the chance of data retrieval even if a transmission is lost.

dual telemetry

Two secondary COM ports (Touchscreen port and DCP Command port) allow dual telemetry (cellular, Inmarsat, Orbcomm, Iridium, etc.) for redundancy and 2-way remote station configuration and diagnosis.


VSWR measurement ensures good connection and signal path from the SatComm’s RF output to the antenna before the technician leaves the remote station. VSWR is continuously monitored as well, to protect expensive equipment in the event of damage to the RF connections, cabling, or antenna.


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Technical Specifications

Power requirements

Input voltage range

10.5 to 16 VDC


< 2.0 mA (in CTS trigger mode)

During GPS acquisition

350 mA

300 BPS transmission

2.4 A (3 W max. with V2TH antenna)

1200 BPS transmission

3.5 A (10 W max. with V2TH antenna)

Maximum output power

300 BPS transmission

34.77 dBm (3 W max.)

1200 BPS transmission

40.0 dBm (10 W max.)

External interfaces

Computer interface

USB type-B

External logger

DB9-m connector interface

External touchscreen

DB9-f connector interface

DCP command

DB9-f connector interface

LED indicators

Transmit, receive, failsafe, power, GPS lock status, built in self test (BIST)


Transmission timing accuracy

Meets NESDIS specifications

GPS time accuracy

Within 0.01 s (10 ms) UTC

Certified antennas

Stevens V2TH

+5.5 dBic gain, RHCP

Stevens V4TH

+10 dBic gain, RHCP

Stevens Yagi

+11 dBic gain, RHCP

Data transmission


Self-timed or random reporting


ASCII or pseudo binary



-40° F to +149° F (-40° C to +65° C)


0 - 95% relative humidity non-condensing

Dimensions (W x L x H)

4.625” x 8.81” x 2.096” (11.75 x 22.38 x 5.32 cm)

Length Including mounting plate

7.169”, face-to-face