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2* NR40 DMR/Analog Two Way Radio ARC4/AES256 Noise Reduction & Waterproof Mic

By |July 23rd, 2026|

Retevis NR40 DMR Digital and Analog Two-Way Radio Communicator - Long-range, rechargeable, heavy-duty, durable adult-sized radio for factory managers, workshop production personnel, construction project production and dispatchers, warehouse and logistics dispatchers, and high-noise scenarios such as concerts. Function: Long range walkie talkie; concrete buildings often make the signal of the walkie talkies attenuation; and the NR40 2 way radio is specially designed to deal with the high output power of the communication in the building; so that the information can be effectively and clearly conveyed over long distances. Clear sound quality; NR40 walkie-talkie uses DMR technology; unlike analog radios; its sound quality does not deteriorate with distance; even at the edge of the signal;.

Retevis Ham Radio

By |July 23rd, 2026|

This product is used for communication. Package Include: 1 X Radio 1 X USB Type-C Charging Cable 1 X Power Cable 1 X Main Bracket 1 X User’s manual 1 X Screw 1 X Microphone.

Retevis RT97S Full Duplex Portable GMRS Repeater Bundle&Antenna

By |July 23rd, 2026|

Retevis Original Design The built-in sound card can be connected to the Raspberry Pi through a data cable. (data cable sold separately) This version features an updated case and a DB-9 Female connector for adding an external controller for linking purposes. You can add this repeater to the myGMRS Network by purchasing a linking bundle or an all-in-one kit that is plug-and-play (coming soon). Featuring 8 GMRS repeater channels, full 5W of output power after the duplexer, and a built-in notch duplexer, all you need to do is add an antenna and feedline to get on the air. Built into a cable TV amplifier box, the RT97S is rugged and water-resistant. Two power adapters come with the repeater, a 12V/24V cigarette lighter plug, and an AC adapter. A USB programming cable is also included so you can program the repeater to your channel and CTCSS/DCS tones of choice. The RT97S is ideal for solar-powered repeater sites where low power and a small footprint are required. At such a small portable size, this repeater is perfect for camping trips or emergency preparedness. Inside the case, there is a small 10W notch duplexer, an LCD display, a DC-DC power adapter, and the integrated radio module itself. This repeater does NOT simply have 2 handheld radios inside. Specifications Frequency Range 462.550 - 462.725 MHz (TX), 467.550 - 467.725 MHz (RX) Channel Capacity 8 GMRS Repeater Channels Channel Spacing ±12.5KHz Narrow/±25kHz Wide Operating Voltage DC12V - 24V Operating Temperature -22° F - 140° F (-30° C - 60° C) Frequency Stability ±2.5ppm Antenna Impedance 50 Ω Dimensions 10.25" x 8.3" x 2.8" (260 x 210 x 70mm) Weight 3.7 lbs (1.66 kg) Transmitter Power Output 5W Modulation F3E Spurious Emission -60dB or less Maximum Frequency Deviation Wide: ±5kHz Narrow: ±2.5kHz Audio Distortion 5% or less FM Noise Wide:≤45dB Narrow :≤40dB Receiver Sensitivity(12dB SINAD) 0.2μV (Wide) 0.25μV (Narrow) Squelch Sensitivity 0.15μV (Wide) 0.2μV (Narrow) Adjacent Channel Selectivity ≥ 70dB (Wide) / ≥65dB (Narrow) Intermodulation ≥ 55dB Spurious Rejection ≥ 55dB Image Rejection ≥ 55dB FM Ham and Noise ≤-45dB(Wide) / ≤ -40dB(Narrow) Modulation Type F3E Operating Bandwidth ≤±7KHz / ≤±5KHz Audio Distortion ≤ 5% Standard Accessories: 1X Repeater 1X Charger 1X Power Supply 1X Car Charger Cable 1X User's Manual 1X Antenna 1X Coaxial Cable About us

Retevis RT97S Full Duplex GMRS Repeater Ham Radios Base Station 8CH Portable

By |July 23rd, 2026|

Retevis Original Design The built-in sound card can be connected to the Raspberry Pi through a data cable. (data cable sold separately) This version features an updated case and a DB-9 Female connector for adding an external controller for linking purposes. You can add this repeater to the myGMRS Network by purchasing a linking bundle or an all-in-one kit that is plug-and-play (coming soon). Featuring 8 GMRS repeater channels, full 5W of output power after the duplexer, and a built-in notch duplexer, all you need to do is add an antenna and feedline to get on the air. Built into a cable TV amplifier box, the RT97S is rugged and water-resistant. Two power adapters come with the repeater, a 12V/24V cigarette lighter plug, and an AC adapter. A USB programming cable is also included so you can program the repeater to your channel and CTCSS/DCS tones of choice. The RT97S is ideal for solar-powered repeater sites where low power and a small footprint are required. At such a small portable size, this repeater is perfect for camping trips or emergency preparedness. Inside the case, there is a small 10W notch duplexer, an LCD display, a DC-DC power adapter, and the integrated radio module itself. This repeater does NOT simply have 2 handheld radios inside. Specifications Frequency Range 462.550 - 462.725 MHz (TX), 467.550 - 467.725 MHz (RX) Channel Capacity 8 GMRS Repeater Channels Channel Spacing ±12.5KHz Narrow/±25kHz Wide Operating Voltage DC12V - 24V Operating Temperature -22° F - 140° F (-30° C - 60° C) Frequency Stability ±2.5ppm Antenna Impedance 50 Ω Dimensions 10.25" x 8.3" x 2.8" (260 x 210 x 70mm) Weight 3.7 lbs (1.66 kg) Transmitter Power Output 5W Modulation F3E Spurious Emission -60dB or less Maximum Frequency Deviation Wide: ±5kHz Narrow: ±2.5kHz Audio Distortion 5% or less FM Noise Wide:≤45dB Narrow :≤40dB Receiver Sensitivity(12dB SINAD) 0.2μV (Wide) 0.25μV (Narrow) Squelch Sensitivity 0.15μV (Wide) 0.2μV (Narrow) Adjacent Channel Selectivity ≥ 70dB (Wide) / ≥65dB (Narrow) Intermodulation ≥ 55dB Spurious Rejection ≥ 55dB Image Rejection ≥ 55dB FM Ham and Noise ≤-45dB(Wide) / ≤ -40dB(Narrow) Modulation Type F3E Operating Bandwidth ≤±7KHz / ≤±5KHz Audio Distortion ≤ 5% Standard Accessories: 1X Repeater 1X Charger 1X Power Supply 1X Car Charger Cable 1X User's Manual About us

Retevis RT97L 25W GMRS Repeater Set Full Duplex & Cable & Antenna & Mic

By |July 23rd, 2026|

Retevis RT97L 22W GMRS Repeater, RT97S Upgraded Version, Radio Repeater, Full Duplex Long Range Repeater, Compatible with Raspberry Pi, Portable, LCD Screen. 1 x RT97L Repeater. We have established a strict system to ensure product quality in a responsible manner.

Retevis RT97L 25W GMRS Repeater Set Full Duplex Protable & Cable

By |July 23rd, 2026|

Retevis RT97L 22W GMRS Repeater, RT97S Upgraded Version, Radio Repeater, Full Duplex Long Range Repeater, Compatible with Raspberry Pi, Portable, LCD Screen. 1 x RT97L Repeater. We have established a strict system to ensure product quality in a responsible manner.

Retevis RT97L RT97S RT97 GMRS Repeater Full Duplex Long Range Base Station

By |July 23rd, 2026|

About this item Keep the 25W GMRS repeater running smoothly in cold weather with the low-temperature mode; when the ambient temperature drops to -15°C, the internal heating system automatically turns on, preventing freezing and ensuring reliable performance Stay connected with the GMRS repeater's 16 versatile channels; switch between high and low power options to match your environment, ensuring clear communication no matter where you are Weatherproof; Designed with an IP66 rating, the 25W GMRS repeater stands up to heavy rain, dust, and other outdoor elements, making it right for outdoor working Boost signals reach: right for large homes, multi-story buildings, or expansive outdoor areas; also for the outdoors and industries; GMRS repeater ensures every corner is connected;.