Radio Telemetry & Serial Communications

Full range of dipole and yagi antennas
for low power 458 and 868 MGHz radio modems and radio telemetry units.
Most antennas supplied within one week.
Budget Price:  £99 - 150

HPS120 Wireless RS232 Adaptor
Save ££££££££ on expensive cabling by using this low cost wireless adaptor to connect PC's and other serial devices such as PLC's, data loggers, data acquisition modules. These units operate on the 2.4 GHz frequency band. With transmission rates up to 116 K baud, full duplex communications and range of up to 500 metres point to point this is an ideal solution for many short range wireless communications/network applications.

Budget Price £89 Ex Stock

Wavecom  GSM Modem
Fastrack M1200 GSM Modem. Use anywhere throughout the world where there is GSM coverage. Ideal for remote dial up to download data. Use to connect a PC to any serial device with an RS232/485 O/P or send SMS text messages. Suitable for use with Datataker and Pace Scientific Pocket Logger for remote data acquisition. This unit is backward compatible with the WMO2.

We always have modems available EX STOCK.    Prices:  £185-209 ( see price list ) We can also supply data enabled SIM cards at competitive rates.

iTegno GPRS/GSM RS232 Modem Kit. Complete GSM modem kit including iTegno GSM/GPRS modem, RS232 cable, power supply and external magmount antenna. Interfaces to a number of serial devices for remote connection, using the Industry standard Wavecom WISMO technology.

Available EX Stock - £149
Data enabled SIM card on Orange for just £5 per month!

iTegno GPRS/GSM USB Modem. Compact GSM/GPRS dual band modem connects to your computers USB port to form a complete mobile internet/email/SMS system. Easy to use software allows multiply SMS messages to be sent to a built in contacts directory. Includes microphone and speaker for making voice calls.

Available EX Stock - £149
Data enabled SIM card on Orange for just £5 per month!

OmniMessage SMS Text Messaging Software for PC's
Send SMS text messages direct from your PC utilising this simple windows software package and the Wavecom or Maestro GSM modems. Not web based so messages are delivered quickly and reliably without advertising text attached. Features include: Address book for up to 100 recipients, storing of frequently used messages, inbox and out box for up to 200 messages, broadcast messages to up to 100 mobile numbers. Ideal for organisations with service engineers, salesmen, careworkers etc.

Price:  £79 for software only or £350 including Wavecom GSM Modem & mains power adaptor

R-COM SMS Text Alarm and Control Unit
Monitors analogue and digital inputs:- 2 x 4-20mA, 2 x 0-10VDc, 2 x PT100 temperature inputs, and 8 digital inputs. The unit also has 2 relay (5amp) outputs. Simply configured with menu style setup program this unit can text alarm messages activated by any of the inputs. The relay outputs may be activated via SMS messages to allow remote control. The unit also accepts MODBUS protocol serial inputs. The integral GSM modem has dual band 900/1800 MGHz capability to allow operation on most GSM networks worldwide.
Budget Price:  £425
Available Ex Stock

Siemens TC35 GSM Modem & Smart Controller
Control remote equipment via SMS text messages over the cellular network. Using two TC35 modems and Smart Controllers digital on/off outputs can be activated remotely. Units are available with either 2 inputs and 2 outputs or 4 inputs.
Available 2-3 days delivery. Budget price for TC35Modem & Smart Controller £350

GSM SMS Text Message Alarm System. Utilising the Wavecom WMOD2 GSM modem and Pace Scientific XR5 data logger the GSM alarm system continuously scans sensor inputs such as temperature, humidity, pressure, level, AC voltage, or relay contacts/switches and sends a SMS text message if a preset alarm level is exceeded. The system also logs to its internal memory and data can be periodically downloaded to a local PC over the GSM system. Downloaded data can be viewed in graph or table format and exported into Excel, Word etc. Single, dual, 4 and 8 channel systems available. 

Budget Price:  £395 - 795 Delivery 1 - 3 weeks

GenII Radio Data Logging System
This system connects sensors and process signals via radio transmitters to a central base station with a built in data logger. The system can handel up to 250 channels and has a range of up to 2-3 kilometers. Repeaters can be used to extend the range. The radio transmitters can take voltage, 4-20 mA, thermocouple and thermistor inputs. The logger/base station records the data and also provides alarm outputs ( relay outputs and SMS text messaging ) together with a PC real time display with chart views and mimic displays.

Budget Price - Base unit £780, Remote transmitters £175 - 325

Monitor Temperature\Relative Humidity throughout your building without the need to install any cabling, using battery powered wireless sensors. This low cost multi-point system for use low power licence free radio transmitters with built in temp/RH sensors. Up to 16 remote sensors can report back to a single base unit. The base station provides analogue (0-10v) outputs for each sensor and can be connected to a DCS, SCADA, BMS systems, data loggers or displays. Transmitting range is up to 100 metres.

• Temperature range -40 to +85 deg. C
• Relative Humidity range 0 - 100%
• Radio range up to 100 metres

Serial to Ethernet converters. Model DE-211 and DE311 serial to ethernet converters are suitable to connect most serial RS232 and RS485 devices to an ethernet local area network (LAN). Simple to configure and install.

Available Ex stock. Budget Price: DE-211 £119, DE-311 £145

Datascan Solo 7520A RS232 and RS485 converter modules converts RS232 to RS485, can be used to extend the range of RS232 communications up to 1.2km. 

Budget Price: £65