Mobile data storage units   
5.11 MDS D424 
  MOBY D 
138  System Manual, 01/2010, J31069-D0147-A6-7618 
5.11.4  Technical specifications 
Table 5- 17  Technical data of MDS D424 
Memory size  2048 bytes 
Memory configuration 
  Serial number 
  Configuration memory 
  Application memory 
 
  8 bytes (fixed code) 
  40 bytes 
  2000 bytes 
Storage technology  FRAM 
Memory organization  2048 bytes gross  
2000 bytes net 
Protocol  ISO 15693 
Data retention (at +40 °C)  10 years 
MTBF (at +40 °C)  ≥ 1.5 x 10
6
 hours 
Read cycles  Unlimited 
Write cycles (at +40 °C)  > 10
10
 
Read/write distance (S
g
)  See Chapter Field data (Page 33) 
Distance from metal  Min. 25 mm (ca. 30% reduction of the field data) 
Multitag capability  Yes 
Power supply  Inductive power transmission  
(without battery) 
Degree of protection to EN 60529  IP67 
Shock according to EN 60721-3-7, Class 7M3 
Total shock response spectrum, Type II 
100 g 
1)
 
Vibration-resistant to EN 60721-3-7, Class 
7M3 
20 g 
1)
 
Torsion and bending load  Not permissible 
Enclosure 
  Color 
  Material 
  Dimensions (D x H) in mm 
 
  Black 
  Epoxy casting resin 
  27(±0.2) x 4(±0.2) 
Fixing  M3 screw, adhesive 
Tightening torque at +20 °C  ≤ 1 Nm 
Ambient temperature 
  During operation 
  Transport and storage 
 
  -25 °C to +85 °C 
  -40 °C to +100 °C 
Weight, approx.  5 g 
1)
  The values for shock and vibration are maximum values and must not be applied continuously.