{"id":1330,"date":"2013-07-30T13:42:18","date_gmt":"2013-07-30T13:42:18","guid":{"rendered":"http:\/\/www.4gltemall.com\/blog\/?p=1330"},"modified":"2018-03-22T16:40:05","modified_gmt":"2018-03-22T08:40:05","slug":"unlocked-telstra-usb-4g-zte-mf821-4g-usb-modem-review","status":"publish","type":"post","link":"https:\/\/www.4gltemall.com\/blog\/unlocked-telstra-usb-4g-zte-mf821-4g-usb-modem-review\/","title":{"rendered":"Unlocked Telstra USB 4G (ZTE MF821) 4G USB Modem Review"},"content":{"rendered":"<p>Today, we get a new 4G LTE USB datacard, the 4G aircard model number is <strong>ZTE MF821<\/strong>. The 4G modem is packed well in a box, there is the operator&#8217;s logo &#8220;<strong>Telstra USB 4G<\/strong>&#8221; on the front box, and the information is telling user this <a title=\"4G USB Modem\" href=\"http:\/\/www.4gltemall.com\/4g-usb-modem.html\"><strong>4G USB modem<\/strong><\/a>. The ZTE MF821 is already <strong><em><span style=\"text-decoration: underline;\">unlocked<\/span><\/em><\/strong> by our group, so users don\u2019t need worry about the lock issue.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-4G-USB-Dongle.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1331\" title=\"Telstra USB 4G ZTE MF821 4G USB Dongle\" src=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-4G-USB-Dongle.jpg\" alt=\"\" width=\"600\" height=\"500\" srcset=\"https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-4G-USB-Dongle.jpg 600w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-4G-USB-Dongle-300x250.jpg 300w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-4G-USB-Dongle-360x300.jpg 360w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>At the side of the box, we can see that LTE Frequency bands that ZTE MF821 could work with. The specification indicates MF821 could support <strong>FDD LTE 1800\/2600Mhz<\/strong>, but per our information from the manufacturer ZTE, the modem MF821 <strong>4G aircard<\/strong> could support band 1, band 3 and band 7(1800\/2100\/2600MHz), we suppose this band is not activated because the operator Telstra is not providing the LTE band 1 (2100MHz).<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-In-body.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1332\" title=\"Telstra USB 4G ZTE MF821 USB In body\" src=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-In-body.jpg\" alt=\"\" width=\"600\" height=\"500\" srcset=\"https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-In-body.jpg 600w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-In-body-300x250.jpg 300w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-In-body-360x300.jpg 360w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>And the 3G DC-HSPA+ Tri-band (850\/1900\/2100) is backward compatible. Under the 4G LTE network, user could enjoy high speed up to 10Mbps. Even on 3G network, ZTE MF821 could reach speed to 42Mbps.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-LTE-Frequency-bands.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1333\" title=\"Telstra USB 4G ZTE MF821 LTE Frequency bands\" src=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-LTE-Frequency-bands.jpg\" alt=\"\" width=\"600\" height=\"500\" srcset=\"https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-LTE-Frequency-bands.jpg 600w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-LTE-Frequency-bands-300x250.jpg 300w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-LTE-Frequency-bands-360x300.jpg 360w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Open the package, we can see the 4G dongle<em> <a title=\"ZTE MF821\" href=\"http:\/\/www.4gltemall.com\/zte-mf821-mf821d-4g-lte-modem-telstra-pre-paid-usb-4g.html\">ZTE MF821<\/a><\/em>. There is a logo of &#8220;4G&#8221; and &#8220;T&#8221;, which means <em>Telstra 4G<\/em>. On the side, we can see two small icon of signal; they are two hidden connectors for <strong>external antennas<\/strong>. This feature is important for 4G data transmission, and it lets MF821 different from <a title=\"ZTE MF820\" href=\"http:\/\/www.4gltemall.com\/zte-mf820-4g-lte-usb-modem.html\">MF820<\/a> or MF820T. On the other side, there is no slot.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/ZTE-MF821-External-antenna-connector-TS-9.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1334\" title=\"ZTE MF821 External antenna connector TS-9\" src=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/ZTE-MF821-External-antenna-connector-TS-9.jpg\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/ZTE-MF821-External-antenna-connector-TS-9.jpg 600w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/ZTE-MF821-External-antenna-connector-TS-9-300x200.jpg 300w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/ZTE-MF821-External-antenna-connector-TS-9-450x300.jpg 450w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>The USB of ZTE MF821 is<strong> rotatable<\/strong> for 180 degree, user could hide the USB in the body of MF821. User need open the back over and find the SIM card slot. On the SIM slot, we can see the model number, IMEI number, place of origin (Made in China) and manufacturer ZTE Corporation. And close to the SIM card slot, there is a slot for MicroSD memory card. The MF821 could support maximum 32GB SD memory card.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-at-90-degree.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1335\" title=\"Telstra USB 4G ZTE MF821 USB at 90 degree\" src=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-at-90-degree.jpg\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-at-90-degree.jpg 600w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-at-90-degree-300x200.jpg 300w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-USB-at-90-degree-450x300.jpg 450w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Comparing with other <strong>ZTE 4G Aircard<\/strong>, such <a title=\"ZTE MF880\" href=\"http:\/\/www.4gltemall.com\/zte-mf880-4g-tdd-lte-usb-modem.html\">MF880<\/a> or MF820D, ZTE MF821 is really very slim, the size of MF821 is as big as a 3G datacard.\u00a0 So if a user prefer a small size USB dongle, ZTE MF821 is a good option and without any contract. But before purchase, user should concern about the 4G frequency band\u00a0 compatibility, if you want a 4G Aircard for FDD band 20 (800MHz) or TDD band 38 (2300MHz), or any other bands that are not same as MF821 supporting, you may need check other model and choose the right one. You can check here more 4G Aircard for various LTE frequency bands:\u00a0 \u00a0http:\/\/www.4gltemall.com\/ue-by-spectrum.html<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-SIM-card-and-SD-card-slot.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1336\" title=\"Telstra USB 4G ZTE MF821 SIM card and SD card slot\" src=\"http:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-SIM-card-and-SD-card-slot.jpg\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-SIM-card-and-SD-card-slot.jpg 600w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-SIM-card-and-SD-card-slot-300x200.jpg 300w, https:\/\/www.4gltemall.com\/blog\/wp-content\/uploads\/2013\/07\/Telstra-USB-4G-ZTE-MF821-SIM-card-and-SD-card-slot-450x300.jpg 450w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today, we get a new 4G LTE USB datacard, the 4G aircard model number is ZTE MF821. The 4G modem is packed well in a box, there is the operator&#8217;s logo &#8220;Telstra USB 4G&#8221; on the front box, and the information is telling user this 4G USB modem. The ZTE MF821 is already unlocked by &hellip; <a href=\"https:\/\/www.4gltemall.com\/blog\/unlocked-telstra-usb-4g-zte-mf821-4g-usb-modem-review\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Unlocked Telstra USB 4G (ZTE MF821) 4G USB Modem Review<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[349,3,35,11],"tags":[1176,1180,1181,2738,1178,1177,1182,221,1179],"_links":{"self":[{"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/posts\/1330"}],"collection":[{"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/comments?post=1330"}],"version-history":[{"count":3,"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/posts\/1330\/revisions"}],"predecessor-version":[{"id":5381,"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/posts\/1330\/revisions\/5381"}],"wp:attachment":[{"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/media?parent=1330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/categories?post=1330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.4gltemall.com\/blog\/wp-json\/wp\/v2\/tags?post=1330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}