USA 
RDU4100 RDX Business Series Two-Way UHF Radio (Black)
Product Description
The Motorola RDU4100 RDX Business Series Two-Way UHF Radio is just what you need on that job site. Whether indoor or outdoor, this radio delivers its crisp and audible signal with confidence. Versatile and rugged, the RDU4100 will not only provide clear audio transmission, but will also stand up to the most demanding physical conditions. Rain, wind, or fog - this unit will withstand them all. Motorola built this water-resistant unit with heavy-duty on-site work in mind.
When profit is on the line and time cannot be wasted asking for repeated calls, you'll make good use of this radio's channel selection and multi-analog and digital code possibilities. And, with the optional CPS (Computer Programming Software) interface, internal settings can be tweaked to best suit your needs. This is a solidly built radio at a more than affordable business price.
| 2-Way Radio | |
| Number of Channels | 10 |
| Number of Frequencies | 99 x BRS |
| RF Frequency Band | UHF (438 to 470 MHz) |
| Channel Spacing | 12.5 kHz |
| Connectivity | 1 x Mic/Headphone Input |
| Bluetooth | None |
| Display | None |
| Weather Channels | None |
| Privacy Codes | None |
| Manager Lock | None |
| Internal Speaker | Yes |
| Performance | |
| Max Coverage Area | 30 Floors (350,000 ft² / 32,516 m²) |
| RF Output Power | 4 W |
| RF Sensitivity | -122 dBm / 0.18 µV for 12 dB SINAD |
| Frequency Response (Audio) | 300 Hz to 3 kHz +1/-3 dB |
| Audio Output Power | 2 W at 8 Ohms (Internal Speaker) |
| Audio Distortion | Receiver: <2% Transmitter: <2% |
| Frequency Stability | Transmitter: <1.5 ppm |
| Adjacent Channel Power | 70 dBc |
| Adjacent Channel Selectivity | 70 dB |
| Hum & Noise | Receiver: -50 dB (CSQ) Transmitter: -40 dB |
| Intermodulation | 70 dB |
| Spurious | Receiver: <-54 dBm (Below 1 GHz) <-52 dBm (Above 1 GHz) Emission/Transmitter: -36 dBm (Below 1 GHz) -30 dBm (Above 1 GHz) |
| Power | |
| Battery Type | 1 x Rechargeable 7.2 V Lithium-Ion (Included) |
| Approximate Battery Life | 15 Hours (Lithium-Ion, with High-Capacity Battery) |
| Charging | Drop-In Charger |
| Physical | |
| IP Rating | IP54 IP55 |
| Durability Standards | MIL-STD: 810C, 810D, 810E, 810F, as per Manufacturer |
| Certifications | |
| Operating Temperature | |
| Storage Temperature | |
| Dimensions | 2.2 x 4.5 x 1.6" / 5.6 x 11.4 x 4.1 cm (with Standard Battery) 2.2 x 4.5 x 1.8" / 5.6 x 11.4 x 4.6 cm (with High-Capacity Battery) |
| Weight | 8.5 oz / 241 g (with Battery) |
| Warranty Length | Limited 2-Year Warranty |