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Description
DTECH DT-9005 Without Power Supply RS232 To TTL Serial Port Module, 3.3V Module, 5V Module1. Interface compatible: RS232, TTL 2. Material: ABS 3. Transmission mode: asynchronous, full duplex, full transparency 4. Electrostatic protection: about 15KV ESD 5. Scope of application: PC, terminal equipment, industrial control, digital instrument acquisition, multi serial port equipment, serial interface of single chip microcomputer, etc. 6. Transmission rate: 300bps 115. 2kbps 7. Transmission medium: twisted pair shielded wire 8. Size: about 6.
1. Interface compatible: RS232, TTL
2. Material: ABS
3. Transmission mode: asynchronous, full duplex, full transparency
4. Electrostatic protection: about 15KV ESD
5. Scope of application: PC, terminal equipment, industrial control, digital instrument acquisition, multi-serial port equipment, serial interface of single-chip microcomputer, etc.
6. Transmission rate: 300bps-115.2kbps
7. Transmission medium: twisted pair/shielded wire
8. Size: about 6.3 x 3.4 x 1.8mm
Features:
1. 9-pin nickel-plated connector/female, resistant to unplugging, using anti-oxidation material, anti-corrosion
2. TTL wiring port, can use twisted pair/shielded wire, which is more convenient to connect/disassemble
3. Environmental protection material, safe to use
4. Built-in fast transient voltage suppression protector TVS
5. Compatible with RS232 TIA/EIA standard and level data interface, can convert RS232 serial interface data transmission (TXD) and data reception (RXD) signals to TTL/COMS compatible level, TTL level supports two standard interfaces Level 5.0V and 3.3V
6. Charge pump drive technology, no external power supply required, using RS232 charge pump drive, the transmission rate can reach 300bps-115.2kbps
7. Built-in zero-delay automatic transceiver conversion device
8. The I/O circuit automatically controls the direction of data flow
Specification:
| Package Weight |
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4.4 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Durable and Rugged
Color: Black
I've had it for a few weeks now. It was a replacement I bought after buying several vinyl type covers. This one is a good gauge of plastic and rubber. The rubber seems pretty strong and it protects the iPad well on the corners and back. The back is mostly covered except for the Apple logo in the center. In addition to protecting the corners and also protects the camera lens as the rubber after insulation is a little bit higher than the lens so when you put this down, it's not going to scratch the lens. It has a pen slot, which I like and plenty of room to grip the device if I'm carrying it from place a place or when I'm using it, I can grip the edge and not touch the screen. One of the things I would've liked included is a screen protector, but nothing covers the screen. I also miss the folio type cover because the screen will gather dust now. But, Apple screens are fairly durable so I'm not too worried about breaking it. It was easy to install. It came in as it came in a couple of pieces that you just pressed together. All the controls are obvious as they are under the rubber, but they look like keys. One more thing I might bring up is the charging port. It's easy to get to even though it's a little deep. On my iPad the touch sensor is on the on off button and it is a little harder to do than if I didn't have any case on it, but that is to be expected. It also has an easel that unfolds from the back if you want to sit it up, but I don't use it for watching anything since I have a real TV set. So far I like it and I'm glad I bought this as I don't think it's going to wear out as quickly from me handling it as the others did. The value was good as long as it lasts.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
iPad case is great
Color: Black
Fits great. Like the stand feature on the back
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Exactly as described
Color: Red2
Very sturdy and definitely protects my iPad. Great buy even has a part of the pen. Fits perfectly no issues putting it on and it has layers to ensure that your iPad is protected. Color is exactly as pictured. Easy to use and charges fine with the case on
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Not broken yet.
Color: Light Purple
I bought this for my daughter’s tablet and she has put it through the test. It has been dropped multiple times and the tablets still good. It was easy to put on, looks good, and does the job.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Durable and good case!
Color: Black
Excellent sturdy case to protect iPad. Would buy again!
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Reviewed in the United States on June 2, 2026