Purchased a pre-programmed alarm system to replace my house alarm. The instructions and packaging arrived as expected, and the programming was straightforward. I had the alarm installed by a professional, and it works well. The screen became blurry after a few months, so I emailed Cheap Alarms, and within a day or two, I received a brand new screen. The service is excellent.
Bosch 4G GSM Unlocked Plug on Modem
CM748B
Replaces CM748B
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Bosch 4G GSM/GPRS Plug on Modem With Magnetic Antenna
Quick Overview:
- Bosch 6000 Only Panel Version 2.51.04 or Higher
- Allows Bosch 6000 To Connect To MYALARM and IFOB Subscrptions
- Requires Your Own 4G Sim Card
- Card is NOT locked
Compatibility Notes:
- The 4G boards for Bosch 6000 only work on a panel with version 2.51.04 or higher firmware.
- You can find your serial number in MENU700 or under the GSM board.
- If your board has a serial number higher then 240000 you can upgrade the firmware for free.
- You will need a CM910 flash cable to connect to the alarm panel for upgrading the firmware. There is no other way to upgrade your panel.
- You can find all the firmware and cable here: Solution 6000 Firmware & Cables
(CM748B)
| SKU | CM748B |
| Brand | Bosch |
| Shipping Weight | 0.1900kg |
| Shipping Width | 0.220m |
| Shipping Height | 0.077m |
| Shipping Length | 0.160m |
| Shipping Cubic | 0.002710400m3 |
Finally the right advice
19 August 2025I spoke with product support as I needed to upgrade from the old 3G dialler. The new 4G worked well after a firmware upgrade and a few changes to the 6000 software it was working in no time. Still interfaces with the SMS My Alarm so you can get alerts and perform remote functions. Good advice from product support.
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