[The walkie-talkie suddenly emits intermittent static]
Mike (voice broken):
"Frank...did you get it? Building A...third floor...the main beam positioning...it seems...there's..."
[Signal weakens, static intensifies]
Frank (presses the talk button, walks to an open area):
"Mike, you're speaking haltingly! Say it again, what's wrong?"
Mike: "...Positioning! The main beam positioning on A3! On the blueprints...it's off...approximately...you received it." "Huh?"
[Signal weakens, sound becomes muffled]
Frank (excitedly):
"I can't hear you! Your speech is broken! Are you saying the main beam on A3 is misaligned?"
[A final static noise comes from the walkie-talkie, then silence]
Frank (frustratedly pounding the walkie-talkie and shouting):
"Hello?! Mike?! Can you hear me? Damn it, our signal is down!"
(Frank turns to other nearby workers, shouting urgently)
"Quick, run to Building A and see what happened!"

Doesn't this scene make you feel overwhelmed? Whether you're a construction team on a remote site, an outdoor enthusiast deep in the wilderness, a rancher managing a huge farm, or an emergency responder racing against time, reliable communication is a lifeline and a key to safety.
However, complex terrain and long distances are often the "enemies" of communication. Today, we'll introduce a revolutionary device—the Retevis RT97L high-power portable repeater—and how to make it operate almost perpetually with solar panels.
The RT97L is more than just a mobile repeater; it's a solar-powered communication hub. Its core value lies in extending the communication range of walkie-talkies. When your walkie-talkies cannot communicate directly due to hills, buildings, or distance, the RT97L can receive your signal and relay it with up to 25W GMRS power, easily covering several times the original area.
Outdoor Enthusiasts: In remote mountains or canyons without network signal, expedition teams and RV convoys can maintain communication and safety throughout the team using the RT97L.
Farmers and Ranchers: In vast farmlands and ranches, a single RT97L allows workers in barns, fields, and border areas to communicate in real time, greatly improving work efficiency.
Emergency Responders: When natural disasters paralyze infrastructure, the RT97L can be quickly deployed, establishing a temporary emergency communication network within minutes to coordinate rescue efforts.
For commercial and industrial users: In large construction sites, mining operations, or logistics warehouses, the RT97L ensures that team members in every corner receive clear instructions.
25W High Power: Provides wider signal coverage.
Chain Repeater: Supports two RT97L units operating in series, further pushing distance limits and enabling ultra-long-distance communication.
Intuitive Display: Real-time display of key information such as received signal strength, channel, and operating status.
Rugged and Portable: An aluminum casing, integrated carrying strap, and a weight of only 4kg make it designed for outdoor mobile use. All operations are easily performed via the power switch, channel/volume knob, and menu button on the front panel.
1. RT97L Repeater Basic Power Consumption Parameters
| Operating Status | Current | Voltage | Power |
| Standby | 85mA | 13.8V | ≈ 1.2W |
| Transmit | 6A | 13.8V | ≈ 83W |
2. Daily Power Consumption under Different Usage Intensities
| Scenario Type | Daily Launch Time | Estimated Daily Power Consumption |
Recommended Storage Capacity (2-day Reserve) |
Recommended Solar Panel |
| Light Usage | 1h | ≈ 110Wh/day | ≥ 12V 20Ah (approx. 240Wh) | ≥100W Panel |
| Moderate Usage | 3h | ≈ 280Wh/day | ≥ 12V 50Ah (approx. 600Wh) | ≥150W Panel |
| High Usage | 6h | ≈ 530Wh/day | ≥ 12V 100Ah (approx. 1200Wh) | ≥200W Panel |
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