Motorola XPR4550 Transceiver

Receive frequency coverage

136–174 MHz; 403–470 MHz; 450–512 MHz Reference

Transmit frequency coverage

136–174 MHz; 403–470 MHz; 450–512 MHz Reference

Bands

VHF; UHF Band I; UHF Band II Reference

Modes

Analog FM; 4FSK digital modulation Reference

RF output power

VHF: 1–25 W low power, 25–45 W high power; UHF Band I: 1–25 W low power, 25–40 W high power; UHF Band II: 1–40 W Reference

Audio output power

3 W internal; 7.5 W external at 8 ohms; 13 W external at 4 ohms Reference

Current consumption

Standby: 0.81 A maximum; receive at rated audio: 2 A maximum; transmit: 11.0 A maximum below 25 W, 14.5 A maximum at high power Reference

Frequency stability

±0.5 ppm at −30 °C, +60 °C, and +25 °C reference Reference

Frequency resolution

12.5 kHz / 25 kHz channel spacing Reference

Operating temperature

−30 °C to +60 °C Reference

Dimensions

2.01 in H × 6.89 in W × 8.11 in L (51 mm H × 175 mm W × 206 mm L) Reference

Weight

4.0 lb (1.8 kg) Reference

Specifications may vary by revision or market. Use linked manufacturer references when available and confirm critical details before purchase.