User Manual

Boomer II User Manual & Integrator’s Guide
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Installation
BM210012WT09 21 Wavenet Technology
reduce the radio frequency reflections if the device is placed on a metal
surface.
If your device is hand held or is worn next to the body, the antenna
should be positioned to radiate away from the body.
Supplying Power
The Boomer II OEM Modem must be provided with a clean power
source capable of delivering bursts of high current.
The modem draws its power in bursts. The power required changes
rapidly depending on whether the modem is transmitting, receiving or
on standby.
The power supply requirements are:
Voltage: 3.8V (3.4 to 4.2V range)
Transmitter: 1.7A
Receiver: 85mA
Transmit Duration: 32ms (minimum)
1s (maximum)
Off current consumption: < 100µA
Power Supply Ripple: < 15mV peak to peak
Batteries
The Boomer II OEM Modem may be powered by batteries if used with
a handheld device.
Nickel cadmium (NiCad) batteries may be used for devices requiring
wide temperature ranges. Nickel metal hydride (NiMH) and lithium ion
(Li+) batteries may also be used for devices utilised above 0ºC.
Specifications for these batteries should be obtained from the
manufacturer.
The selected battery must be able to meet the Boomer II power
requirements as mentioned previously.
Plug-in Supplies
A mains plug-in supply must be designed to ensure that voltage spikes,
lightening and other power fluctuations cannot damage the Boomer II.
Transient voltage protection zener diodes or other spike arrestor
circuits may be added to keep the inputs within the power requirements
mentioned previously. These should have a value of 20V and be placed
on the supply side of the regulator circuit.