L7089 / L7189 2.1 Specifications of L7189 General Transmitter Receiver Speech Coding of 48 European Customer Services 2 Function Specification Frequency Range GSM Frequency Range DCS Frequency Range PCS 880-915 MHz TX (with EGSM) 925-960 MHz RX 1710-1785 MHz Tx 1805-1880 MHz Rx 1850.2 – 1909.8 MHz Tx 1930.2 – 1989.8 MHz Rx Channel Spacing 200 kHz Channels 174 GSM/374 DCS carriers with 8 channels per carrier Modulation GMSK at BT = 0.3 Transmitter Phase Accuracy 5 Degrees RMS, 20 Degrees peak Duplex Spacing 45 MHz GSM 95MHz DCS 80MHz PCS Frequency Stability + 0.10 ppm of the downlink frequency (Rx) Operating Voltage Full Rate PSU = 4.4V +/- 5% (During Charging = VBatt +/-5% 6.63V Mid Rate Charger = 5.9V +/- 0.3V CLA Supply = 4.4V Battery Operating Voltage = 2.85V(Radio Shut Down voltage) To 4.2V Max Transmit Current Typically 250 ma avg, 1.0A peak Stand-by Current Typically 7.0 ma (DRX2) Dimensions 130mm x 46mm x 24.5mm Size (Volume) 105cc with Batt Weight 106g with Batt Temperature Range -10C to +55C Function Specification RF Power Output 33 dBm + 2dB GSM/ 30 dBm + 2 dB DCS Output Impedance 50 ohms (nominal) Spurious Emissions -36 dBm from 0.1 to 1 Ghz -30 dBm from 1 to 4 Ghz Function Specification RF Level -102 dBm RX bit error rate (100 k bits) Channel Hop Time 500 microseconds Time to Camp Approximately 5-10 seconds Function Specification Speech Coding Type Regular Pulse Excitation / Linear Predictive Coding with Long Term Prediction.
(RPE LPC with LTP). Bit Rate 13.0 k bps Frame Duration 20 ms Block Length 260 bits Classes Class 1 bits = 182 bits. Class 2 bits = 78 bits Bit Rate with FEC Encoding 22.8 k bps