[Review] ALFA Tube-U4G Outdoor 4G USB Modem

ALFA Tube-U4G Outdoor 4G USB Modem Features:

4G/LTE High-Speed
- Max. 100Mbps downstream and 50Mbps upstream
- Backward compatible with UMTS/WCDMA, EDGE/GPRS

Plug-n-Play Simplicity
- Built-in Windows Driver & Utility:
- auto-installation on Windows laptop or computer

External Antenna Connector
- Standard N female antenna connector

Waterproof Design
- Outdoor IP66 design to protect from dust, oil, and water

Package Contents
-Tube-U4G ․
- 4G Antenna ˙
- 5M High-quality USB cable
- QIG, ALFA sticker, Pole Mount Strap

Specifications
Broadband Wireless
    LTE/HSPA+/HSPA/WCDMA (UMTS)
    GSM/GPRS/EDGE
Frequency
FDD-LTE:
    B1 (2100MHz)/B3 (1800)/B7 (2600)
    B20 (800)
WCDMA / UMTS:
    B1 (2100MHz)/ B8 (900MHz）
GSM:
    Quad Band (850/900/1800/1900MHz)
Data Rate
FDD-LTE:
     R8 Cat.3 100 Mbps DL / 50Mbps UL
WCDMA/UMTS:
    R99 384 kbps DL / UL
    R5 HSDPA 7.2 Mbps DL
    R6 HSUPA 5.76 Mbps UL
    R7 HSPA+ 21 Mbps DL / 5.76 Mbps UL
    R8 HSPA+ 42 Mbps DL / 5.76 Mbps UL
Interface
    Mini-USB 2.0
    Standard 6 PIN SIM card
Antenna Connector:  N-type female
Antenna:  High-gain 4G/LTE Omni Antenna
LED Indicator:  Power On/Off
Waterproof IP rate:  IP66
Operation System Support: 
Windows Vista, 7, 8, 10 32/64bit support via auto-install utility driver
* Mac, Linux, iPad, iPhone, and smartphone users: please use with
R36(sold separately) and obtain Internet access through the wireless signal
from R36
Operating Temperature:  0°C ~ 45°C
Storage Humidity:  5% ~ 98% (Non-condensing)
Dimensions:  185 x 47 mm
Weight:  135g