User`s guide

Dexcom G4 PLATINUM User’s Guide | 187
Minimum Recommended Distance Between Transmitter
and Receiver
Rated
Maximum
Output Power of
Transmitter (W)
Separation Distance
According to Frequency of Transmitter (m)
150 kHz to 80
MHz
d = 1.2 P
1/2
80 MHz to 800
MHz
d = 1.2 P
1/2
800 MHz to 2.5 GHz
d = 2.3 P
1/2
0.01
0.1
1
10
100
0.12
0.38
1.2
3.8
12
0.12
0.38
1.2
3.8
12
0.23
0.73
2.3
7.3
23
For transmitters rated at a maximum output power not listed above, the
recommended separation distance (d) in feet can be estimated using the
equation applicable to the frequency of the transmitter, where P is the
maximum output power rating of the transmitter in watts (W) according
to the transmitter manufacture.
NOTE 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency
range applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation
is affected by absorption and reection from structures, objects and people.
USB Charging/Download Cable* Specications
Dexcom P/N MT20655
Input/Output 5V DC, 1A
Type USB A to USB micro B
Length 3 feet
* The power supply/charger can be connected to the USB charging/
download cable for charging using an AC power outlet.