The solution of the RF emitting front end module in GSM can effectively reduce the cost of the RF front end module in GSM so as to reduce the total price cost of the handheld device with the RF emitting front end module in GSM.

The invention relates to the architecture of GSM repeaters with spectral exchange between the 900 and 1800 MHz wave frequencies.

This GSM cell phone booster for cell phone is the best solution for enlarging coverage zone of GSM signals from a base mobile station!

Requirements for using this standard are the BMW special accessories SA 644 mobile phone preparation with Bluetooth interface or SA 633 mobile phone preparation Business with Bluetooth interface (or option code SA 639 for North America).

This GSM cell phone booster for cell phone is the best solution for enlarging coverage zone of GSM signals from a base mobile station!

The coding allows for increased robustness and can be designed to be backwards compatible with transmission for e.g. GSM, GPRS, EGPRS and EGPRS2.

Cable for GSM, 3G, 4G/ LTE, Single, Dual and Tri Bands (5m)

Image Cable for GSM, 3G, 4G/ LTE, Single, Dual and Tri Bands (20m)