RCA RDR4280 Portable Radio

The RCA RDR4280 PRODIGITM portable two-way radio features a large, 1.8 inch Full Color Display and a full keypad. It is compatible with other DMR Digital radios on the market and operational in both digital and analog modes, the RDR4200 radios are designed to be used in a wide range of applications. Industrial users will benefit from its reliable and durable design, clear, dependable communication, and advanced security features. The RDR4200 series radios are a perfect communication tool for industries such as oil and gas, manufacturing, construction, facility management, security, hotels and resorts, casinos and more.



Advanced Multi-Mode Functionality 
With different operating modes — Conventional Analog, Conventional Digital DMR Tier II, Digital DMR based PRODIGITM Plus, the portable will truly meet even the most demanding communication needs. The RCA RDR4200 series digital portables radios are designed to connect your workforce efficiently and provide you with reliable communication allowing you focus on growing your business.

Cross-Brand Compatibility
Utilizing the DMR Digital technology according to the ETSI TS 102 361-1, -2,-3 Standards the RDR4200 series portables are compatible with all RCA two-way radios as well as all other major brands, including digital equipment, such as Motorola, Hytera and Vertex series digital two-way radios and repeaters.

Industrial Durability and Reliability
Designed with durability in mind with lightweight and rugged aluminum alloy die-cast chassis, 3.5 mm thick high quality, polycarbonate thermoplastic housing with superior toughness, flame retardant, scratch, and heat resistance and 7x battery locking points to the radio chassis.

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

Feature Rich and Versatile
The RDR4200 series portables come in 3 different models, the standard non-display 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 and more.

Improved Communication Range
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.

Full Shift Performance
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. With a typical duty cycle of 5 (Rx) – 5 (Tx) – 90 (Stand By), the RDR4380 color display unit with 2300mAh Lithium-Ion battery can provide up to 10 hours of operation in Analog mode and up to 14 hours of operation in Digital mode.

Intrinsically Safe Option
Certified to the requirements of UL 913 5th Ed., TIA 4950-A, CSA C22.2 No. 157- 92 | Class I,II, III; Division 1; Groups C-G; Division 2; Groups A-G; Temp T3C (with B4223LIIS IS Approved Battery Only) for use in hazardous locations where flammable gas, vapors or combustible dust may be present. The RDR4200 Series Intrinsically Safe Certified Radios can be used in a wide range of applications and industries such as Oil and Gas Extraction, Chemical and Paint Manufacturing, Refineries and more.

Available Advanced Options
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.

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


Frequency band:

Frequency range:
VHF 136-174 MHz; UHF 400-512 MHz

Power Output:
4 Watts UHF / 5 Watts VHF

Standard battery chemistry type:
Lithium Ion

Battery life (based on a 5-5-90 duty cycle):
Analog 10 Hours / Digital 14 Hours

Number of Channels/Groups/Zones:

Channel spacing:
12.5 kHz/25 kHz

Physical Characteristics

Dimensions H x W x D (with standard battery)
5.1 x 2.2 x 1.4 inch

Weight (with standard battery)
11.9 oz

Keypad / Keys
Full Keypad

Large, 1.8-inch Full Color Display

User Environment

Operating temperature
(-)4°F – (+)122°F

Mil spec
MIL-STD-810 C; D; E; F; G

IP Standards

Available Models

  • RDR4220V* Standard Non-Display Unit, 5 Watts of Power, VHF 136-174MHz
  • RDR4220U Standard Non-Display Unit, 4 Watts of Power, UHF 400-512MHz
  • RDR4250V* Color Display, Nav. Keys, 5 Watts of Power, VHF 136-174MHz
  • RDR4250U Color Display, Nav. Keys, 4 Watts of Power, UHF 400-512MHz
  • RDR4280V* Color Display, Full Keypad, 5 Watts of Power, VHF 136-174MHz
  • RDR4280U Color Display, Full Keypad, 4 Watts of Power, UHF 400-512MHz

Intrinsically Safe Configuration

  • RDR42x0 IS CONFIG Intrinsically Safe Configuration for RDR42x0 Series (Requires B4223LIIS Battery)



  • ANH200V-S 136-174 Short Antenna 136-174 MHz
  • ANH200U-S 400-430 Short Antenna 400-430 MHz
  • ANH200U-S 440-470 Short Antenna 450-470 MHz
  • ANH4200V-WG 148-162 Standard Whip Antenna 148-162 MHz w/GPS
  • ANH4200U-WG 400-430 Standard Whip Antenna 400-430 MHz w/GPS
  • ANH4200U-WG 440-470 Standard Whip Antenna 440-470 MHz w/GPS


  • B4223LI 2300mAh / 17.02Wh Lithium Ion Battery
  • B4223LIIS 2300mAh / 17.02Wh Lithium Ion Battery | IS Certified

Belt Clip

  • BC4200 Screw-In Heavy Duty Belt Clip
  • BC4300Screw-In Heavy Duty Belt Clip


  • CH4201 PKG Single Unit Rapid Charger Kit
  • CH4206 PKG Multi-Unit 6-Bank Rapid Charger Kit

Earpieces and Surveillance Kits

  • SK28NE-X83 Low Profile In-Ear Style 2-Wire Surveillance Kit with Palm Mic

High Noise Reduction Headsets

  • HS75NR-X83 High Noise Reduction Headset | Over The Head | Dual Muff | NRR: 24db | IS Certified
  • HS780NRNC-X83 High Noise Reduction Headset | Over The Head | Dual Muff | Noise Cancelling | NRR: 24db | IS Certified

Speaker Microphones

  • SM380WP-X83 Heavy Duty Speaker Mic | 2.5mm Aux. Jack | IP68 Rating | Built-in Debris Screen | Raised, Textured PTT Button | Volume Control | IS Certified
  • SM480WPNC-X83 Heavy Duty Speaker Mic | 3.5mm Aux. Jack | IP68 Rating | Noise Cancelling | Built-in Debris Screen | Volume Control | IS Certified


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