Specifications

Chapter 11 – SocketModem HSDPA
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342I) 145
Application Notes
RF Performances
RF performances are compliant with the ETSI recommendation 05.05 and 11.10.
The main parameters are:
Receiver Features
• EGSM Sensitivity : < -108 dBm
• GSM 1800/GSM 1900 Sensitivity : < -107 dBm
• Selectivity @ 200 kHz : > +9 dBc
• Selectivity @ 400 kHz : > +41 dBc
• Dynamic range : 62 dB
• Intermodulation : > -43 dBm
• Co-channel rejection : + 9 dBc
Transmitter Features
• Maximum output power (EGSM) : 24 dBm +/- 2 dB
• Maximum output power (DCS/PCS) : 30 dBm +/- 2 dB
• Minimum output power (EGSM): 5 dBm +/- 5 dB
• Minimum output power (DCS/PCS): 0 dBm +/- 5 dB
• H2 level : < -30 dBm
• H3 level : < -30 dBm
• Noise in 925 - 935 MHz : < -67 dBm
• Noise in 935 - 960 MHz : < -79 dBm
• Noise in 1805 - 1880 MHz : < -71 dBm
• Phase error at peak power : < 5 ° RMS
• Frequency error : +/- 0.1 ppm max
RF Connection and Antenna
The RF connector on the SocketModem is an MMCX standard type. See Chapter 1 for Antenna System details.