Radio module, corresponding device and program
A radio module includes a first baseband part, a second radiofrequency part, a first power supply interface for the baseband part and a second power supply interface for the second radiofrequency part.
1. An electronic payment terminal comprising:
a radio module comprising a first baseband part, a second radiofrequency part, a first power supply interface for said first baseband part and a second power supply interface for said second radiofrequency part;
a regulated power supply connected to said first power supply interface;
a high-power supply connected to said second power supply interface; and
a functional module fulfilling functions of the payment terminal except for a communications function fulfilled by the radio module, said functional module being powered by said regulated power supply; and
a switch for cutting off the power supply of the second power supply interface of said radio module.
2. The electronic payment terminal according to claim 1 , wherein said first power supply interface has a fixed nominal voltage and said second power supply interface has a variable nominal voltage.
3. The electronic payment terminal according to claim 2 , wherein said radio module implements at least one of the following communications techniques: Wi-Fi, GPRS, CDMA, EDGE, UMTS, HSPDA and LTE.
4. The electronic payment terminal according to claim 1 , said regulated power supply being powered by said high-power supply, said high-power supply being a battery.
5. The electronic payment terminal according to claim 1 , further comprising a detector of voltage of said battery.
6. The electronic payment terminal according to claim 1 , wherein said regulated power supply has an output voltage of 3V, said high-power supply has a variable voltage of 2.8 to 4.2V.
7. An electronic payment terminal comprising:
a radio module comprising a first baseband part, a second radiofrequency part, a first power supply interface for said first baseband part and a second power supply interface for said second radiofrequency part;
a regulated power supply connected to said first power supply interface;
a high-power supply connected to said second power supply interface; and
a functional module fulfilling functions of the payment terminal except for a communications function fulfilled by the radio module, said functional module being powered by said regulated power supply,
wherein said first power supply interface has a fixed nominal voltage and said second power supply interface has a variable nominal voltage.