SMS send speed* Network Vodafone Signal quality Average Time to send 500 messages of 160 characters with 1 modem, delivery confirmation enabled. The on/off switch on every modem module makes it possible to swap the SIM card for a modem without interrupting the other modems. Daily operation The modem pool worked like a charm during our tests, the modem modules are not the fastest on the market but they are pretty reliable. After the installation of the drivers and a reboot of Windows, the 8 Wavecom GSM modules are all found automatically in the full edition of Diafaan SMS Server. The CD contained the USB drivers for all modern Windows versions and the installation on the 64-bits version of Windows 7 went without problems. Installation and set up The modem pool lacked documentation but this was not a problem because the installation was straightforward. The USB connection is on the left and the power cable and main on/off switch is located on the right. The modem pool is a compact box with 8 GSM modules that can be replaced without opening the whole device.Įach GSM module has slots for both a large or a small SIM card, a connection for an external antenna, an audio connection and an individual on/off switch.
It is not necessary to buy directly from the manufacturer, multi-port modem pools can also be found on eBay (search for ‘GSM modem pool’). It was delivered within a week, complete with a driver CD, 8 antenna’s, a power cable and a USB cable.
8-port USB GSM modem Ordering and first impressions The USB 8-Port GSM/GPRS Modem Pool we tested was bought directly from the manufacturer in China. The Q24Plus is of a newer design, more reliable and has fewer incompatibilities with GSM networks. This modem module is more expensive than the Q2303 and Q2403 modules but is quad band, and therefore usable on almost all GSM networks in the world. For GSM networks the Q24Plus is the best choice. The most common choices are the Wavecom Q2303, Q2403 and Q24Plus GSM modules but there are also modem pools with 3G modules on the market. 8-port USB modem pool specifications GSM modems 8 GSM modules Wavecom Q24plus Connection USB GSM Frequency bands 850, 900, 1800, 1900 Network protocols GSM, GPRS Modem modules Multi-port modem pools use individual modem modules for each port and can be fitted with different modules. In addition to this 8-port modem pool, There are also versions of the device with 16, 32 and 64 GSM modules. 8-port USB GSM modem pool The 8-port USB GSM modem pool we tested has 8 Wavecom Q24plus GSM modules that are quad-band and can be used on almost all GSM networks in the world.
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