RDR4220 Waterproof Two-Way Handheld Radio “Compatible with Motorola”

SKU: RDR4220 Category:


Technology: DMR DIGITAL and ANALOG | Power: 4/5W | Warranty: 3 YEARS

Best Value on the market! Reliable, Durable, Cost-Effective. For professionals who require cost-effective, reliable and easy to use radios to provide simple and efficient communication solution for a safer and more productive work environment.

  • 4/5 Watts
  • Superior Battery Life (2250mAh battery)
  • Waterproof (IP67 Rating)
  • Extremely Durable
  • Best Warranty in the Country for your Industry
  • Available in Intrinsically Safe

The best price you can get on a dependable brand name professional class business radio. The RDR4220 leads the industry with an unmatched comprehensive 3 year warranty. It’s real durability that is field tested and with full 4 watt UHF / 5 watt VHF; there is no radio that has better coverage

Product Documents

Brochure & Spec Sheet


The RDR42x0 series portables come in 3 different models, the standard nondisplay RDR4220 unit; the upgraded RDR4250 with large, 1.8 inch Full Color Display and navigation keys; the advanced RDR4280 unit with a large, 1.8 inch Full Color Display, full keypad. Businesses, Departments and Government Agencies can choose the best model for their needs, taking advantage of advanced features such as Caller ID, Group and Private Call, Radio Check, Radio Monitor, Radio Enable/Disable, Emergency, Man Down, Lone Worker Alerts, Text Messaging, Pre-saved Status Messaging, Encryption andmore.


The RDR4200 series portables are designed & built with the most demanding conditions in mind. Your team needs radios that will not fail them, regardless of the environment. The radios are designed to the Military 810C, D, E, F, G & the IP67 Waterproof & Dustproof standards.

When workers safety and communication security are of utmost importance, the RDR4200 radios offer optional GPS Location tracking service* and advanced 40-bit ARC4 type encryption. Encrypting your radio communications and tracking your asset’s location results in improved worker safety, increased productivity and shortened incident response time


The RCA PRODIGITM RDR4200 series portables provide up to 40% improved battery performance in digital mode over analog, allowing for longer operating time on a single battery charge.



The RDR4200 series radios are backed standard by an industry leading, hassle-free Three (3) Year Warranty.


Designed with X-Sound+ HD TM for exceptional voice quality. The RDR4200 series radios provide loud 1 Watt of power audio, eliminating background noise and static even from analog voice transmissions and delivering crystal clear voice message.

The RDR4200 Radios utilize the DMR digital technology allowing for the transmissions to stay clear from background noise regardless of the distance between two radio units, providing virtually no deterioration of the voice quality, thus increasing the usable coverage area where analog communication will be very poor or not possible at all.

General Specifications
Radio Model RDR4220
Number Of Channels 16
Frequency Bands VHF: 136-174 MHz* / UHF: 400-512 MHz UHF
Weight With LCD Display- 365gr. (12.8oz) / No LCD Display- 340gr. (11.9oz)
Size: HxWxD (Inches) 5.1 x 2.2 x 1.4 inch (H*W*D) 130.2 x 57 x 35.8 mm (H*W*D)
IP Rating IP67
Standard Battery 2300mAh (Lithium battery)
Battery Life Analog: up to 10h / Digital: up to 14h
Channel Spacing 12.5 KHz / 25 KHz
Digital Vocoder Type AMBE+2
Power Output 5 Watts VHF / 4 Watts UHF
Operating Voltage 8.4V (Max) 7.4V (Nominal)
Receiver Specifications
Frequency Stability ±1ppm
Intermodulation 70dB
Adjacent Channel Selectivity [email protected] / 70dB@25KHz
Sensitivity Analog: 0.22μV (12dB SINAD)
Digital: 0.2μV (5% BER)
Spurious Response Rejection 70dB
Rated Audio Distortion ≤3%
Transmitter Specifications
FM Hum And Noise [email protected]; 45dB@25KHz
FM Noise 11K0F3E @12.5KHz
Adjacent Channel Power 60dB(12.5kHz); 70dB( 25kHz)
Modulation Limit ±[email protected]; ±5.0KHz@25KHz
FSK Error ≤3%
Emission Designator (Analog) 11K0F3E, 16K0F3E
4FSK Digital Modulation 12.5kHz Data: 7K60F1D 12.5KHz Voice: 7K60F1E
Audio Response +1 dB to -3 dB
Intermodulation 70dB
Rated Audio Distortion ≤3%

Additional information

Weight 2.0000 lbs
Accessory Connector Type

Antenna Connector

Radio Channels

Radio Class

IP Rating

Radio Keypad

Radio Power



Digital Radio

Recommended Industry

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Radio Display

Waterproof Radio

VOX Capable

Intrinsically Safe




Radio Trunking