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- USA
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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
D921 4G Portable Plug-In Card Router Support Malay MOD Modem Portable WIFI Wireless Hotspot, D921 Europe Asia Africa Edition1. 150M speed Internet access 2. Large capacity battery, low power consumption, low heat generation, long standby time, intelligent power saving 3. Support all WiFi devices 4. Small size, easy to carry 5. LCD indicator light intelligent display, easy to operate 6. Standard: TDD LTE, China Unicom (WCDMA), FDD LTE 7. Protocol: 802. 11b g n 8. Language: Chinese English 9. Interface: standard SIM card port, MICRO USB interface 10. Output: DC5V 1000mAh 11.
1. 150M speed Internet access2. Large-capacity battery, low power consumption, low heat generation, long standby time, intelligent power saving
3. Support all WiFi devices
4. Small size, easy to carry
5. LCD indicator light intelligent display, easy to operate
6. Standard: TDD-LTE, China Unicom (WCDMA), FDD-LTE
7. Protocol: 802.11b/g/n
8. Language: Chinese/English
9. Interface: standard SIM card port, MICRO-USB interface
10. Output: DC5V 1000mAh
11. Chipset: ZX27520
12. LCD screen: 1.44 inches color LCD screen
13. Number of slots: 1
14. Device type: 4G CAT4
15. Transmission rate: 50-150Mbps
16. Working frequency band: FDD B1 / 3 / 5 / 7 / 8 / 20 / 38 / 40 / 41; FDD800 / 850 / 900 / 1800 / 2100 / 2600 / 1900 / 2300 / 2600MHZ; WCDMA 850 / 900 / 2100MHZ
17. Wireless network support frequency: 2.4G
18. Storage temperature: -30 to 80 degrees Celsius
19. Working temperature range: -10 to 45 degrees Celsius
20. Coverage: 100 meters
21. Working time: up to 5-8 hours
22. Operating system: Windows XP, Androids, Mac OS, Vista, Win7/8/10, Linux
23. Battery capacity: 2100mAh
24. Power supply mode: USB charging/built-in lithium battery
25. Dimensions: 9.8x6x1.5 cm
26. Weight: 110g
Packing list:
-1 x wireless router
-1 x charging cable
-1 x manual
-1 x packing box
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 4
Great summer workbook!
Format: Paperback
So far an easy book compared to the Argo Summer Academy one that was too challenging. I don't like the way the pages are perforated they fall out of the book too easily. I feel like it is a good balance of keeping up skills already learned and softly introducing a little bit of challenge. I like how each day has math and reading. Easy to keep skills up with only 15 minutes of work a day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025
★★★★★ 5
Ideal for Summer Learning
Format: Paperback, Format: Paperback
The books are made of good quality and are durable for daily use. The pages are colorful, and the text is a good size for children to read. The instructions are clear and cover a wide variety of topics to reinforce children during the summer.
I would like for it to explain some concepts and not just be exercises. It includes answer sheets for all exercises, stickers to reward each day of exercise, and a diploma upon finishing the book. The exercises are designed for 15-20 minutes daily and are meant for children to review every day.
The pages are thick, so even if they use markers, it won't bleed through to the other side. I highly recommend them to avoid the summer gap when returning to classes.
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Reviewed in the United States on June 24, 2024
★★★★★ 5
Good book for summer!
Format: Paperback
I always get my son a workbook for that summer gap between grades, just so he doesn’t forget what he has learned and to get a little head start for the next grade. I usually get another brand but decided on this one and it is so great! Had the same exact material my son learned in second grade so it was easy for him to get in the groove of things and eases him into the next grade
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Reviewed in the United States on June 27, 2025
★★★★★ 5
Excellent
Format: Paperback
Excellent. Exactly what I was looking for , using for over the summer to keep practice going.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Perfect
Format: Paperback
Perfect & love these books.
Every year I get a grade up to get my child ready for the next. My child loves these books.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
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