Collect signal from cell tower→Send it to signal booster through coaxial cable→Signal booster boost the signal→Indoor Antenna transmit to cellphone or cellular data card. Collect the cell tower signal and send it through the cable to an amplifier, cell phone or cellular data card.
eBay
2.4 GHz Wifi Antenna for Router N Male Waterproof Omni High Gain Antennas Amplifier Indoor Outdoor Aerial Long Range
Aliexpress UK
3 Modes Support & Wide Compatibility: The WiFi repeater has three modes: AP Mode / Repeater /1 Ethernet Ports. Repeater Mode is for extending Wi-Fi coverage of an existing wireless network. AP Mode is for covering a wired network to a wireless network.
eBay
SWA6SS Antenna Distribution Amplifier. Two antenna inputs. Connector: TNC type. Six pairs of RF outputs to receivers.
eBay
SWA6SS Antenna Distribution Amplifier. Two antenna inputs. Connector: TNC type. Six pairs of RF outputs to receivers.
eBay
Item Including ： 1x2.4GHz WiFi Wireless Booster.
eBay
1 SKY65135 RF Signal Amplifier. Input frequency range: 2400MHz ~ 2525Mhz. The input power of the amplifier should not be greater than ± 3dbm, otherwise it will cause the amplifier to oversaturate and the receiver cannot receive data.
eBay
1 SKY65135 RF Signal Amplifier. The input power of the amplifier should not be greater than ± 3dbm, otherwise it will cause the amplifier to oversaturate and the receiver cannot receive data. The amplifier is in the continuous transmitting state.
eBay
3 Modes Support & Wide Compatibility: The WiFi repeater has three modes: AP Mode / Repeater /1 Ethernet Ports. Repeater Mode is for extending Wi-Fi coverage of an existing wireless network. AP Mode is for covering a wired network to a wireless network.
eBay