Icom D-STAR Instruction Manual - Page 35

8 SPECIFICATIONS AND SYSTEM UNITS n Specifications D General • Frequency range : U.S.A. Tx/Rx 440 to 450 MHz Europe Tx/Rx 430 to 440 MHz • Type of emission : F1D (GMSK; F7W for system operation) • Frequency stability : ±0.8 kHz (based on 25˚C; +77˚F) • Frequency resolutions : 5/6.25 kHz • Antenna connector : Type-N (impedance: 50 Ω) • Communication speed : 4.8 kbps • Power supply requirement : 13.8 V DC ±15% (negative ground) • Current drain : Tx (High) Less than 7.0 A Tx (Low) Less than 3.0 A Rx Stand-by Less then 0.7 A • Usable temperature range : -10˚C to +50˚C; +14˚F to +122˚F • Dimensions (proj. not incl.) : 483(W)×88(H)×428(D) mm; 19(W)×315⁄32(H)×1627⁄32(D) in. • Weight (approx.) : 7.5 kg; 16 lb 9 oz D Transmitter • Tx output power (at 13.8 V DC) : High 23-30 W Low 2-3 W • Modulation system : Quadrature (244.8 MHz) • Occupied bandwidth : Less than 5.5 kHz • Spurious emissions : Less than -60dB D Receiver • Receive system : Double-conversion superheterodyne • Intermediate frequencies : 1st 70.0 MHz 2nd 455 kHz • Sensitivity (BER 1×10-2) : Less than 0.45 µV • Adjacent channel selectivity : More than 65 dB (20 kHz offset) • Intermodulation rejection ratio : More than 65 dB (±20 kHz/40 kHz) • Receive spurious : Less than -57 dBm • Spurious and image rejection ratio : More than 70 dB All stated specifications are subject to change without notice or obligation. n System units ID-RP2D* ID-RP2V* ID-RP2L* ID-RP2000V AH-106* AH-107* AH-108* 1.2 GHz data repeater 1.2 GHz digital voice repeater 10 GHz microwave link repeater vhf digital voice repeater 10 GHz parabolic antenna (800 (d)) 10 GHz parabolic antenna (450 (d)) 1.2 GHz collinear antenna *Not available in European countries by the present on March 2008. 32