Hangout on Air · much power for call completion. A cellular signal booster system consists of an...
Transcript of Hangout on Air · much power for call completion. A cellular signal booster system consists of an...
Cellular – Signal strength tools & apps
Fuel apps
RV Park apps
RV Tool apps
Topics
The “bars” represent the Received Signal Strength Indication or RSSI.
Field Test option on an iPhone can be activated by dialing *3001#12345#* + “Call” changes the RSSI to a dB value.
Galaxy S5. Go to “settings”; “about device”; “status”; Signal strength is shown in units of “dBm” (Decibel-milliwatts)and “asu”(Arbitrary Strength Units)
What does 5 bars mean?
# of ‘Signal Strength Bars’ Numeric Range (approx.)
No Signal Greater than - 125dBm
1 to 4 -65 to -125 dBm
5 Less than -65 dBm
Note: 3 Signal Strength Bars = -100 dBm = 0.1 picowatt (pW)1 Signal Strength Bar = - 120dBm = 1 femtowatt (fW)calls completed in a weak signal area require up to 6 times asmuch power for call completion.
A cellular signal booster system consists of an external
antenna, a signal boosting amplifier and an internal antenna.Signal Boosters can significantly improve cellular device performance
Weak Signal ?– No Problem
A ground plane is a horizontal, flat, electrically conductive
metal surface used to reflect radio waves.
In antenna theory a ground plane must have a radius of at least ¼ wave length of the lowest frequency being transmitted. LTE band 12 uplink frequency range is 698 - 746 MHz . Therefore, the ground plane should have a radius of at least 4.023 inches
When a cellular signal booster external antenna lacks a ground plane it dramatically reduces both uplinked and downlinked signal strength.
Why do I need a Ground Plane?
LTE Band Uplink Frequency
Downlink Frequency
Carrier
12 698 – 716 MHz 728 – 746 MHzATT, T-Mobile, Metro PCS
13 777 – 787 MHz 746 – 756 MHz Verizon
17 704 – 716 MHz 734 – 746 MHz ATT, Bell, Rogers, Fido
26 814 – 849 MHz 859 – 894 MHz Sprint, Boost Mobile
5 824 – 849 MHz 869 – 894 MHz Verizon, ATT,
4 1710 – 1755 MHz 2110 – 2155 MHzATT, T-Mobile, Metro PCS, Verizon, Bell, Rogers, Fido, Telus
25 1850 – 1915 MHz 1930 – 1995 MHzATT, Sprint, Boost Mobile
Who uses what
Cell phone coverage
www.rootmetrics.com/check-coverage/ - Coverage Map app
www.opensignal.com – open signal app
www.deadcellzones.com/coverage-maps.html
How to predict Cellular reception
CoverageMap app
CoverageMap app - 2
CoverageMap app - 3
Opensignal towers-web
Open Signal app -1
Open Signal app -2
*#06# – Displays IMEI*#43# + “Call” – Displays call waiting status*43# + “Call” – Enables call waiting#43# + “Call” – Disables call waiting*#21# – Displays call forwarding status##002# + “Call” – Disables all call forwarding*33*pin# – Enables call barring#33*pin# – Disables call barring#31#phone-number + “Call”
– Blocks caller ID for the current phone call*3370# + “Call” – Enables “Enhanced Full Rate” and improves
voice quality on GSM networks (may impact battery life)
*#5005*7672# + “Call” – Displays your carrier’s message center phone
number
Smart phone codes
Fuel Apps
Trucker Tools
Trucker Tools - 2
Trucker Path
Trucker Path 2
Allstays Truck & Travel
RV Park apps
RV Parks app
Ultimate Campgrounds - 1
Ultimate Campgrounds - 2
Ultimate Campgrounds - 3
Allstays Camp & RV
RV Parky
RV Tools app’s
History Here
History Here - 2
Roadside
Roadtrippers
RV Reference