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Internet Service Provider in Misawa, Japan

Mon - Fri: 9:00 - 17:00

HeroNet Mobile Internet

Convenient 
Stable
Reasonable

Mobile HotSpot

The most easiest way to start the Internet today!

You just got to Misawa Japan and are ready to use the Internet? 

Visit HeroNet office to start the Mobile HotSpot plan. 

You can sign up and bring your HotSpot on the same day!

Mobile HotSpot Plan

Rechargeable Plan

Monthly Plan

*Data only plan. JP phone number will not be provided.
Advance payment
10% tax included. $1 =¥140 as of Jan 2024.
Bills will be charged in Yen

Data SIM Card

Great for both long-term and short-term use

Prepaid SIM
20GB/10GB/
EACH DAY 5GB for 30DAYS

No contract / No activation fee
*Data only plan. JP phone number will not be provided.

Prepaid SIM

No Contract/ No Activation Fee
¥ 7,700
/ 20GB
  • 4G LTE
  • 20 GB
  • Single-use
  • Valid until you use up 20GB or 365 days from the start of use.
Popular

Prepaid SIM

No Contract/ No Activation Fee
¥ 4,180
/ 10GB
  • 4G LTE
  • 10 GB
  • Valid until you use 10GB up or 180days.
NEW!

Device Specifications and Features
jetfi MR1

Important Notes

  • Maximum data speeds are theoretical and are not guaranteed.
  • Actual connection speeds depend on network coverage, signal strength, congestion, and other environmental factors.
  • Standby time and continuous communication time vary depending on usage and operating conditions.
  • USB tethering is not supported on Mac computers.

Technical Specifications

Item Specifications
Dimensions (H × W × D) Approx. 68.0 × 126.1 × 12.1 mm
Weight Approx. 133 g
Display Resolution 240 × 320 pixels
Battery Capacity 3,000 mAh
Continuous Standby Time Approx. 26 hours on 4G LTE
Continuous Communication Time Approx. 13 hours on 4G LTE
Maximum Download Speed 150 Mbps
Maximum Upload Speed 50 Mbps
Wi-Fi Standard IEEE 802.11 b/g/n

Maximum speeds are theoretical values based on the device’s technical specifications and are not guaranteed actual speeds. Actual performance depends on network conditions, signal strength, congestion, and the user’s environment. Battery life also varies depending on usage.

Display Features

The touchscreen allows users to check data usage and connection status and manage various device settings.

Category Available Functions
Data Management Check data usage; configure data-saving settings
Wi-Fi Settings View and change the SSID name; view and change the password
Connection Management View connected devices; configure and check the block list
Connection Setup Connect devices using a QR code
SIM Settings Switch to a physical SIM; SIM card pairing
Network Network optimization
System Software updates; check device information and software version
Language Settings Supports four languages: English, Japanese, Chinese, and Korean

Supported Frequency Bands

2G (GSM)

  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz

3G (WCDMA)

  • 2100 MHz (Band 1)
  • 1900 MHz (Band 2)
  • 1700/2100 MHz (Band 4)
  • 850 MHz (Band 5)
  • 900 MHz (Band 8)
  • 800 MHz (Band 19)

4G (FD-LTE)

  • 2100 MHz (Band 1)
  • 1900 MHz (Band 2)
  • 1800 MHz (Band 3)
  • 1700/2100 MHz (Band 4)
  • 850 MHz (Band 5)
  • 2600 MHz (Band 7)
  • 900 MHz (Band 8)
  • 700 MHz (Band 12, 13, 17, and 28)
  • 800 MHz (Band 18, 19, 20, and 26)
  • 1900 MHz (Band 25)
  • 1700/2100 MHz (Band 66)

4G (TD-LTE)

  • 2000 MHz (Band 34)
  • 2600 MHz (Band 38)
  • 1900 MHz (Band 39)
  • 2300 MHz (Band 40)
  • 2500 MHz (Band 41)

Note: The frequency bands listed above are based on the supplied source text. Actual compatibility and availability depend on the device specifications, SIM provider, and local network support.

Included Accessories

  • Device (built-in battery)
  • Warranty card
  • Important usage instructions
  • User manual
  • AC adapter
  • USB cable

Device Components

Item Specifications
Device Name jetfi MR1
Model Number MS4G RA01 (as stated in the source text)
Color Black
Supported Network Technology 4G LTE
Display 2.4-inch TFT LCD touchscreen
SIM 1 Nano SIM slot
Cloud SIM Built-in
Tethering Wi-Fi and USB
USB Port USB Type-C 2.0