User's Manual

HBR-DS-18002: Hiberband modem product datasheet
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Page 3
2 Product specifications
Stressing the Hiberband modem above one or more of the ratings listed in the Absolute
Maximum Ratings section may cause permanent damage. These are stress ratings only.
Operating the Hiberband modem at these or at any conditions other than those specified in
the Operating Conditions sections of the specification should be avoided. Exposure to
Absolute Maximum Rating conditions for extended periods may affect device reliability.
Operating conditions ranges define those limits within which the functionality of the device is
guaranteed.
Where application information is given, it is advisory only and does not form part of the
specification.
Unless otherwise specified, all operating conditions are valid at an ambient operating temperature
of +25 °C.
2.1 Absolute maximum ratings
The absolute maximum ratings of the Hiberband modem given in table 2 apply over the operating temperature
range (for reasons of brevity the acronym HB is used for ’HiberBand’).
Table 2: Absolute maximum ratings
The Hiberband modem is not protected against overvoltages or reversed voltages. If
necessary, voltage spikes exceeding the power supply voltage specification as given in the
table above must be limited to values within the specified boundaries by using appropriate
protection measures.
2.2 Operating temperature ranges
The following temperature ranges are defined for operation of the Hiberband modem:
• Normal operating temperature: the Hiberband modem is fully functional and meets all its product
specifications across the specified temperature range.
• Extended operating temperature: the Hiberband modem is fully functional but RF performance may be
degraded.
Parameter Description Condition Min Max Unit
VCC Supply voltage DC voltage at VCC pins -0.15 6.0 V
VREF Reference voltage DC voltage at VREF pin -0.15 6.0 V
WKUP WKUP input voltage DC voltage at WKUP pin -0.15 6.0 V
RESET RESET input voltage DC voltage at RESET pin -0.15 6.0 V
UART UART input voltages DC voltage at RXD pins -0.15 6.0 V
GPS antenna power Input RF power at GPS antenna -8 dBm
HB antenna power Input RF power at HB antenna -8 dBm
HB antenna ruggedness Output RF load mismatch at HB antenna 20:1 VSWR
T
storage
Storage temperature -40 +125 °C