Jul 06, 2019 gsm handsets came with a sim card slot, while cdma phones did not. When tmobile dropped contract requirements in 20, it shook up the wireless world. Pure gsm phones wont work on a cdma network, and vice versa. What smartphones are compatible with both cdma and gsm networks. Nov 15, 2019 moreover, cdma is the infrastructure on which all 3g networks are based for both gsm and cdma carriers. Cdma, code division multiple access, alternatively signifies a more powerful digital air interface standard, equating about eight to fifteen times the capacity of conventional analog cellular systems. A dualmode phone is a telephone which uses more than one technique for sending and receiving voice and data. In practice, highpower cdma signals raise the noise floor for tdma receivers, and highpower tdma signals can cause overloading and jamming of cdma receivers. So, in the us the fcc settled on a dualmode route that required either gsm or cdma. These phones include combination of gsm and cdma technology. Wcdma wide band code division multiple access umts before we talk about 4g or gsm.
Keyword cellular communication, multimedia, cdma, 3gsm. Seller assumes all responsibility for this listing. As widely reported, the iphone 4s is a dualband world phone, meaning it supports both gsm and cdma. Use one number for business and another number for personal calls. As widely reported, the iphone 4s is a dual band world phone, meaning it supports both gsm and cdma.
Login with amazon try a 30day free trial of amazon prime relogin required on woot. Phone will not work with sprint, verizon, boost mobile, virgin mobile or any other cdma carriers. Samsung galaxy a20 full phone specifications gsm arena. If you still cant determine whether or not your phone is cdma or gsm, try looking up the phone s model number. In other words, cdma is a handset based standard, with a phone number linked to a particular device beg to differ with author. Whats yet to be determined is whether the carriers will unlock the preloaded sim card, so users can swap it out for. There are two main types of mobile phones that are in use all over the world. Tdmafdma, cell frequency planning is more tedium task as frequency and time planning need to be carried out in cdma frequency planning is minimal. Hey guys i just heard verizon had came out with a new quad band phone that can do cdma and gsm, its a samsung a790.
The type of phone you choose largely depends on what carrier you want to. These dual mode handsets are compatible with both gsm and cdma networks and are essentially 2 phones in one device. Sep 16, 2016 so, if you have a cdma phone and want to switch providers, you will need to ask for your carriers permission. Super amoled display, exynos 7884 chipset, 4000 mah battery, 32 gb. Samsung galaxy a30s wonscreen fingerprint 64gb, 4gb 6. Its not necessarily specifically dual sim that i need, but i need dual gsm and cdma active support on the phone. Here is our list of some of the best dual sim phones supporting gsm and cdma networks.
The lumia 822 support dual band cdma 800 and 1900 mhz, gsm and umts on quadband frequencies and lte on 700 mhz frequency. Cdma or gsm, this phone talks to both the financial express. Motorola moto g cdma price in india, specifications. Dual camera function, e911 compliant, easy mode, emergency mode, face tag, group play. If they do, their role is not the same as for a gsm ones. Gsm global system for mobiles and cdma code division multiple access refer to the two primary technologies used by wireless carriers throughout the. Technically gsm global system for mobile communications, originally from groupe special mobile is a specification of an entire wireless network infrastructure, while cdma relates. When purchasing a mobile phone, a normal person usually does not care much about the type of channel it uses, the frequency rate, the way data is transferred, or if it is gsm or cdma. Introduction eg59 mobile phone is designed and developed for cdma gsm network. The gsm cdma dual mode mobile phone is not adapted for a user having two gsm subscriber identification modules, that is, a user having two sim cards. Samsung galaxy note 3 white 4g 32 gb cdma gsm smartphone overview and full product specs on cnet.
Discussion in international wireless forum including canada and started by stevew. Also, some carriers, like vzw, do carry dual network phones i. Gsm, for the first time, set a common standard for europe for wireless networks. Us8018865b2 method for gsm and cdma dualmode mobile phone. Gsm and cdma are the most successful cell phone technologies present in world, cdma handsets are chip based where as gsm handsets uses sim cards, using. Once the unique code is correspondingly entered, the phone will be able to recognise any gsm sim card introduced in the sim card slot, from a different gsm network carrier. Sure we know that nokia doesnt make cdma phone for a years and this is finally, nokia lumia 822 designed not only to work with cdma bands, but also with gsm, umts and 4g lte network in one phone. Convert cdma phone to gsm phone or viceversa the lounge. You can put a sim from one phone into a newer one and all your info like phone number and plan will go to the new phone. Approved frequencies, user manuals, photos, and wireless reports.
Gsm and cdma are two types of cellphone networks in the us. You can find this in the phone s manual, or you can check your phone s about settings. Phone is 100% functional and works just like a new phone. The shift is called the long code mask and is unique to each phone call. Mobile phones containing two types of cellular radios for voice and data. Both gsm and cdma standards get multiple access, meaning that a large number of calls can go through a single cell phone tower. Gsm and cdma are different technologies that phones use to connect. This is more significant for verizon and sprint customers, as it will allow them to use the iphone even if they travel overseas. On the other hand, in cdma the network identifies a handset by the information stored in the internal memory and hence, its handset specific. Dual gsmcdma phones can be permanently unlocked for the gsm mode similar to unlocking a gsm standard phone by using an unlock code. Gsm and cdma are the two ways phones talk to cell towers.
Mts duet 2 dualsim gingerbread phone with cdma support launched. I know experts on this forum may not be aware of that, but its true. What smartphones are compatible with both cdma and gsm. In 2010, carriers worldwide switched to lte, a 4g network that supports simultaneous voice and data use. An online search will display the type of network associated with the phone model. This is why verizon and sprint phones with 4g lte have sim card slots. Get started by logging in with amazon or try a 30day free trial of amazon prime. The qualcomm single chip qsc6085 and mediatek mt6223d chipset are used, which feature zeroif and cmos technology, resulting high integration and great rf performance. Difference between cdma and gsm cell phones synonym. Unused samsung galaxy note 9 128gb cdma gsm verizon tmobile sprint unlocked new. Us8018865b2 method for gsm and cdma dualmode mobile. You must know wcdma which stands for wide band code division multiple access. Heres a bit more info in addition to tavengers post. Cdma mobile phones price list in india 10th may 2020.
I realize that this adds to the confusion, but i just dont want to perpetuate the idea that sim cards or ruim cards are exclusive to gsm carriers or a specific technology. Gsm and cdma are the most successful cell phone technologies present in world, cdma handsets are chip based where as gsm handsets uses sim cards, using the gprs and edge facility gsm is successful. Product title blu c6 c031p unlocked gsm dualsim android phone w. They can be used as a gsm or cdma phone according to the users preference. Samsung galaxy s10e 128gb smg970fds hybrid dual sim gsm only, no cdma factory unlocked 4glte smartphone international version no warranty prism white operating system. Switching gsm phones between different networks is easier than with cdma phones. Product title blu c6 c031p unlocked gsm dual sim android phone w. Thats because all gsm phones use removable sim cards. Research in motion has partnered with the two big us cdma carriers to launch the new blackberry 8830 world edition, the first dualmode gsmcdma handset from the manufacturer. The gsmcdma dualmode mobile phone is not adapted for a user having two gsm subscriber identification modules, that is, a user having two sim cards.
Jun 05, 2006 dual mode gsm cdma phones from samsung for asian release are nothing new, but every time we see fcc test docs pop up for a such a model, we cant help but start to daydream about a possible us. Apple iphone 6 plus 16gb smartphone for unlocked gold. The basic difference between gsm and cdma is that the gsm is a sim specific i. Samsung galaxy s5 white 4g 16 gb cdma gsm smartphone overview and full product specs on cnet. In second and third generation wireless communication a. Page 1 cdma gsm mobile phone eg59 technical manual apr, 2010 page 1 of page 2 1. However, the one chief difference between the two standards involves the way the data is transformed through the radio waves a. Apple iphone 11 pro full phone specifications gsm arena. Which phones can i use on both cdma and gsm networks. I used tmobiles network on a samsung galaxy siii schr530u and a samsung galaxy axiom schr830u. Lg g8x thinq dual screen unlocked cdma gsm cell phone 6. They were both developed in the early nineties for 2g connectivity. In the us, sprint, verizon, and us cellular use cdma. Gsm and cdma are competing wireless technologies with gsm enjoying about an 82% market share globally.
Also choose your favorite from top 10 mobile phones and compare it with other competitor phones. Sep 16, 20 the device comes with a 1650mah battery that can deliver up to 240 minutes of cdma talktime and 250 hours of cdma standby time gsm figures not provided. I also worked for a cdma yes you can use a gsm on a cdma network. The marathon m5 lite is available in 2 versions gsm only and gsm cdma. I have found that there is both cdma and gsm in brazil and the verizonwireless page indicates that one can use a verizon cdma phone in brazil. Its 1540 mah lithiumion battery is rated at up to 6 hours of talk time, and up to 384 hours 16 days of standby time. Fcc id application submitted by hangzhou newsky technology co. Super retina xdr oled display, apple a bionic chipset, 3046 mah battery, 512 gb storage, 4. Air viewair gesture, dual camera function, group play function, dual recording. Samsung schw569 gsm cdma phone shows up on fcc engadget. No matter what imei you put it will say that its not supported. Gsm handsets came with a sim card slot, while cdma phones did not.
The gsm standard does not include the 3g universal mobile telecommunications system umts code division multiple access cdma technology nor the 4g lte orthogonal frequencydivision multiple access ofdma technology standards issued by the 3gpp. Samsung galaxy s7 black onyx 4g 32 gb cdma gsm smartphone. I am looking for a cell phone that does cdma and gsm on the same phone, at the same time. Buy a apple iphone xs max space gray 4g 256 gb cdma gsm smartphone or other cellsmart phones at cdw. For the most part, if you have a phone on one network you cant use it on the. Most phones are set up to work on one technology rather than both. However, lte, which stands for longterm evolution, is fast becoming ubiquitous. Super amoled display, exynos 7884 chipset, 4000 mah battery, 32 gb storage, 3 gb ram, corning gorilla glass 3. But there are a few more things i would like to know. If you see a cdma phone with a sim card slot, it means that the phone needs a card to use the 4g lte technology. These two technologies differ in the way calls and data travel over the mobile phone networks. To use the dualmode function of the gsmcdma dualmode mobile phone, the user is required have a sim card and a uim card respectively corresponding to a gsm number and a cdma number. The blackberry 8830 codenamed cyclone combines evdo capable cdma coverage with a sim card slot for gsm use when. Lte is a gsm standard, even though it is used by cdma carriers like verizon and sprint.
This is more significant for verizon and sprint customers, as it. But engineers couldnt agree on which one was the best. How to use almost any cdma android phone on a gsm network. Unlocked cell phones, doogee x5 dual sim smartphones 5. Mobile and cellular network providers utilizing gsm network.
In what will bring down the wall between cdma code division multiple access and gsm global system for mobile communication mobile services in india, global handset manufacturers will soon introduce a multimode mobile phone that will work on both types of networks. Phones on cdma networks do not have to use sim cards. Instead, each phone is built specifically to work on that carriers network. Cdma, which stands for code division multiple access, is a competing cell phone service technology to gsm, on 2g and 3g networks that is gradually phasing out. Nov 24, 2019 cdma, which stands for code division multiple access, is a competing cell phone service technology to gsm, on 2g and 3g networks that is gradually phasing out.
Moreover, cdma is the infrastructure on which all 3g networks are based for both gsm and cdma carriers. Here are a few of the many ways you can use dual sim. For your convenience howardforums is divided into 7 main sections. May 04, 2020 iphone xs, iphone xs max, iphone xr, and later feature dual sim with a nanosim and an esim. Gsm vs cdma whats the difference between the two technologies. Samsung galaxy s10e 128gb smg970fds hybriddualsim gsm only, no cdma factory unlocked 4glte smartphone international version no warranty prism white operating system. This could be for wireless mobile phones or for wired phones there are three types of dual mode phones. Motorola moto g cdma smartphone was launched in april 2014. This would be the best phone as in one phone fits all networks. Pricebaba helps you find the best prices of cdma mobile phones currently on sale in india. Updated 1222019 many of the comments i read on this question are not only wrong, but are spreading misinformation, which is pretty messed up.
Following table mentions difference between cdma and gsm technologies. To use the dual mode function of the gsm cdma dual mode mobile phone, the user is required have a sim card and a uim card respectively corresponding to a gsm number and a cdma number. Super retina xdr oled display, apple a bionic chipset, 3046 mah battery, 512 gb storage, 4 gb ram, scratchresistant glass. Find low everyday prices and buy online for delivery or instore pickup. Motorola milestone xt800 unlocked phone with dual mode gsm. China original unlocked ios phone 6 plus mobile phone, 4g lte. Specifications of mts blaze 4 general features brand mts model id zte n799d mts mblaze 4. Wholesale phone, 4g phone, lte phone manufacturer supplier in china, offering original unlocked ios phone 6 plus mobile phone, 4g lte smart phone, usa cellphone, cheap wholesale smart watch original brand series 45 black silver pink 38mm 42mm iwatch series 2, 40mm 44mm black white smart watch unlocked refurbished original iwatch series 5 and so on.
While in the us it will use verizons cdma network while roaming outside it will. View and download hisense d90 technical specifications online. Certain cdma carriers outside the us do actually use sims. So, if you have a cdma phone and want to switch providers, you will need to ask for your carriers permission. Difference between gsm and cdma with comparison chart. Nokia 822 lumia cdma gsm lte 4g smartphone verizon cdma tech.
Cdma networks have a security protocol called cave that requires a 64bit authentication key, called akey and the unique esn electronic serial number, assigned to mobile based on the phone number. Click here to learn about network protocols for smartphones. Samsung galaxy s7 unlocked 32gb gsm and cdma smartphone. Design the beauty of what was engineered is to give you the slimmest feel in your hand without compromising the big screen size. More of the us is currently covered by cdma networks than gsm networks. Sep 27, 2016 the basic difference between gsm and cdma is that the gsm is a sim specific i. Cdma was designed to be technically superior to gsm, providing greater efficiency to the carriers and a better security system. In other words, cdma is a handsetbased standard, with a phone number.