Specifications
Granta
Reading heads
3-9© Siemens Switzerland Ltd 2011
3
Type Order No.
0270
Loop coupler
The 0270 loop coupler is a simple wire loop that uses Cotag hands-free 
technology to provide a reading range of up to 200 cm when used 
together with Cotag “active” cards and tags. It is the ideal choice for 
healthcare facilities and asset management.
System compatibility Granta 
Interface to controller RF 
Tamper switch No 
Card technology Cotag 
Card compatibility 0911‚ 0928-0‚ 0970‚ 
Card read distance Up to 300 cm with active card‚ 
depending on loop construction. 
Indicators None 
Keypad No 
Operating temperature -40 to + 70 °C
Environment Indoor or outdoor use 
IP rating IP56 
Housing UV-resistant ABS plastic 
Colour Light grey 
Dimensions (W x H x D) 80 x 160 x 56 mm
Weight 0.5 kg
Approval CE 
GBI: 21-408
HD100-2
Heavy-duty proximity reading head
The HD100-2 is a heavy-duty proximity reading head that is ideal for 
locations that are vulnerable to physical attack. It is impact and fire 
resistant and has a reading range of up to 30 cm.
System compatibility Granta 
Interface to controller RF 
Tamper switch No 
Card technology Cotag 
Card compatibility 0911‚ 0928-0‚ 0958-101‚ 0981‚ 
0968-0 
Card read distance Up to 32 cm with active card. Up to 
11 cm with passive card. 
Indicators 3 x LED (red/yellow/green)
1 x Buzzer 
Keypad No 
Operating temperature -30 to +50 °C
Environment Indoor or outdoor use 
IP rating IP55 
Housing ABS base with clip on ABS front cov-
er 
Colour Black and stainless steel 
Dimensions (W x H x D) 128 x 100 x 18 mm
Weight 0.11 kg
Approval CE 
GBI: 50-510










