What modem do you use and specs?
Wireless and Portable WiFi Connections
TP-Link Deco x58-4G

Dimensions:
Width (W): 105 mm
Depth (D): 105 mm
Height (H): 167 mm
Ports:
2 x ethernet ports for wired connections.
Our 4G modem only uses 0.2 Amps x 13.4 Volts = 2.7 Watts of power. Essentially it’s the same as an LED lightbulb.
5G-H513 Modem

Dimensions:
Width (W): 90 mm
Depth (D): 90 mm
Height (H): 183 mm
Ports:
2 x ethernet ports for wired connections.
Our 5G modem uses 12 Watts when busy and 8.4 Watts when idle (Essentially the same as an LED lightbulb)
NZMCA Fibre Connections
Grandstream GWN7062E

Dimensions
Unit Dimension without antennas: 205mm (L) x 130mm (W) x 35.5mm (H)
Unit Dimension with antennas at 90°: 235.5mm (L) x 145mm (W) x 192mm (H)
Weight
375g
Ports
1x Gigabit Ethernet WAN port and 4x Gigabit Ethernet LAN ports
Power
Input: 100–240VAC, 50–60Hz
Output: 12VDC, 1A (12W)
Family Fibre Connections
Plume SuperPod

Dimensions:
Width (W): 95.5 mm
Depth (D): 86.7 mm
Height (H): 39 mm
Weight:
217g
Ports:
2 x ethernet ports for wired connections.
Power consumption:
4.5W standby, 10W average, 15W maximum