GSM/GSM-R Telephones

Providing a reliable and effective communications terminal when there is limited or no infrastructure can often be costly and time consuming. The GSM range of hands free and handset telephones, as manufactured by DAC Limited, address this issue perfectly.

Easy to install, designed to operate as stand-alone telephones in even the harshest environments. Available options include completely self sufficient unit with a battery charged via a solar panel. These GSM Telephones have been designed to operate with minimal power requirements < 4mA. The provision of call mimic dial tone and confidence tones ensures the user is presented with a familiar situation whilst possibly distressed due to an emergency.

Additionally these GSM Telephones are fully programmable, remotely via SMS, and will report on critical failures such as low power. Designed to be shipped complete to site ready to operate, with the only requirement being the insertion of an appropriate network SIM card. Perfect for many applications where an economical and reliable solution is required.

Key features

– Handset or handsfree – Mimics C.B. (hot line) operation
– Robust construction – Auto-dial option
– All weather protection – Self monitoring and reporting
– Vandal resistant – Remotely programmable via SMS
– Highly reliable operation – Various power options
– Simple installation – Tough polyurethane handset
– Various mounting options – Low power consumption

Available options

Ordering information:

RA708 (Handset) Series:
Part number: RA708 – 1 – 2 – 3 – GSM (or GSM-R)
1 = FK or CB (Full keypad or CB/hot dial version)
2 = Y or G (Yellow or Grey)
3 = C or S (Curly cord or Steel/armoured cord)

RA711 (Hands-free) Series:
Part number: RA711 – 1 – GSM (or GSM-R)
1 = SB2B , 3B or FK (Single Button autodial, 2 Button autodial, 3 Button autodial or Full Keypad)

Technical Specification

Speech/ Network Interface:
Quad band GSM and GSM-R, supplied SIM Free
Frequency modulated, Piezo transducer, cadence as per incoming ringing (RA708) or through internal speaker (RA711)
Power Supply:
Options include: battery, mains power pack, solar.
6V-24V DC (recommended 12V DC)
Time out:
Operating: -30° C to +60°C
Storing: -40° C to +70°C
Relative Humidity:
Up to 95% (non-condensing)
Casing Material:
Robust cast aluminium (RA708), Robust high grade Stainless Steel
3.5kg (RA708), 1.8kg (RA711)
Colours (RA708 only):
Standard Yellow or Grey durable powder coat. [custom colours available]
Remotely via SMS
Dust and Liquids to BS 5490: 1977 IP55
Manufactured to BS EN 60950