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Before you turn on the module, make sure that both of the antenna's are screwed on. Failure to do so may damage the RF circuitry! |
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Left SMA slot is for 433Mhz antenna, right is for 2.4Ghz |
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The device has a 5dbm or 3mW tolerance on the input signal it receives in its antennas, whether its OFF or ON. This means the device's RF module WILL BE DAMAGED if it is around a signal that is more than 5dBm, no matter what band its currently measuring it. Therefore keep the module at least 3cm 10cm away from any cellphones, and keep wary when measuring the 500mW - 1W UHF transmitters and the 250mW Xbee's. This is only a problem if either of the antennas are on. |
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The power switch is a hard power switch, and will not drain the 1000mA lithium polymer battery on the device when off. However it will also not charge the device if the switch is off and plugged into the USB cable. So when charging, flip the switch so that its ON. |