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| GSM / HSDPA Modems and Routers GSM , HSDPA , WCDMA, LTE Modems and Routers Unlock And Firmwares |
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02-24-2016, 18:32
| #1 (permalink) |
| Junior Member Join Date: Feb 2016
Posts: 1
Member: 2536798 Status: Offline Thanks Meter: 0 |  Newbie needs advice on which sim card to put in GSM Modem I am new here so feel free to tell me if Iam in the wrong forum or section. I have a Cinterion (Seimens) GSM Modem and I want to sent text messages with it. I have written software for the operation, and I have tested it on a Dell Laptop with a built in modem. all good. However, I need a sim card for the modem and that's where I get stuck. I have a collection of errors like sim not inserted or the message sends but is not delivered. Can anyone tell me what sim card supplier/tariff I need to get? The cards that I have been testing with are sending ok from my old Nokia moby so I am sure that they can send/receive in a normal environment. I have tied just using hyperterminal and it fails to send as well, so I know it's not my software. Thanks |
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