WARNING: Use of accessories, components or replacement
parts other than those provided by the manufacturer of the
SurfLink Mobile 2 could result in increased electromagnetic
emissions and decreased electromagnetic immunity and could
result in degradation of performance.
WARNING: If Portable Radio Frequency communications
equipment is used closer than 30 cm (12 inches) from the
SurfLink Mobile 2, degradation of the performance of your
hearing aid could result. If this occurs, move away from the
communications equipment.
WIRELESS TECHNICAL DESCRIPTION
The North American version of SurfLink Mobile 2 operates in
the 902-928 MHz frequency band with a maximum effective
radiated power of 15 dBm and GFSK modulation with a transmit
bandwidth of 650 kHz and a receiver bandwidth of 500 kHz.
The European version of SurfLink Mobile 2 operates in the
863-865 MHz frequency band with a maximum effective
radiated power of 9 dBm and GFSK modulation with a transmit
bandwidth of 300 kHz and a receiver bandwidth of 500 kHz.
All versions of SurfLink Mobile 2 operate in the 2.4-2.4835
GHz frequency band with a maximum effective radiated power
of 10 dBm and GFSK, π/4 DPQSK, or 8 DPSK modulation with
a transmit bandwidth of 1.2 MHz and a receiver bandwidth of
1 MHz.
SurfLink Mobile 2 has been tested to, and has passed, the
following emissions and immunity tests:
• IEC 60601-1-2 radiated emissions requirements for a Group 1
Class B device as stated in CISPR 11.
• RF radiated immunity at a field level of 3 V/m between 80
MHz and 2.7 GHz.
• Immunity to power frequency magnetic fields at a field level
of 3 A/m.
• Immunity to ESD levels of +/- 8 kV conducted discharge and
+/- 15 kV air discharge.
46
Additional Info
To Next Page
Loading...
