SENA Promi-SD 205 - Manual (Page 35)

Promi-SD User Manual – 5. Specifications 31
Copyright © 2006 Sena Technologies, Inc. All rights reserved.
 Default Antenna
  Type: Helical
  Frequency: 2,400 ~ 2,485GHz
  Gain: Max. 1dBi ±1
  Impedance: 50Ω
  size: 30mm9mm (WD)
  weight: 3.5g
 Power Consumption
The power consumption varies according to the operation status of Promi-SD. The table below shows the average
measuring results in different operation modes with 1m communication distance.
Operation Status
Consumption
SD202
Not plugged into Serial port 17mA
Plugged into Serial port 31mA
Inquiry Scan 106mA
Page Scan 106mA
Inquiry & Page Scan 64mA
Connected as Master device 60mA
Connected as Slave device 37mA
Connected in Park mode as Master device 33mA
Connected in Park mode as Slave device 32mA
Connected and Transmitting Data at 9600bps 66mA
Connected and Transmitting Data at 115200bps 80mA
The power consumption will be increased as the communication distance is getting longer, but never exceeds 106 ㎃
in any case.
 Wireless Coverage
The table below shows the average measuring results in open space. These results can vary according to the
environmental conditions.
Antennas for two Promi-SD units Maximum Distance
(SD202/205)
Maximum Distance
(SD101)
Stub Antenna – Stub Antenna 100m 30m
Stub Antenna - Dipole Antenna 150m 50m
Dipole Antenna - Dipole Antenna 200m 80m
Patch Antenna - Dipole Antenna 400m 150m
Patch Antenna - Patch Antenna 1,000m 300m
 Battery (SD101 only)
  Type: Lithium-Ion
  Capacity: 3.8V, 190mAh
  Protector: Temperature and current voltage protection
  Charging Time: 1Hour 45 Minutes ±15Minutes
  Full-load Runtime: 5Hours when transmitting data at 115200kbps