Technology

Service

Data Rate

Coverage

Spectrum

Cost

Cellular (2G and 4G) [6] [7]

Data

Low-Moderate

Large

1850 - 1990 MHz

Operating cost

LTE(4G)

Data

High

Large

2 GHz - 8 GHz

Operating cost

Wi-fi

Data

High

Small

2.4 GHz

Operating cost

Bluetooth [8]

Data

High

Very Small

2.4 GHz

Low

RF

Audio, Data

Low

Small

300 - 400 MHz

Low

LoRa

Data

Very Low

Large range

915 MHz

Low

UHF/VHF

Data

Very Low

Large range

UHF band

Low

Radio Teletype

Voice

Very Low

Large range

UHF band

Low