1. Pengenalan
This manual provides essential instructions for the proper setup, operation, and maintenance of your CipherLab RK25 UHF RFID Reader Writer. The RK25 is a versatile mobile computer designed for data collection, featuring a 2D imager, NFC, and optional UHF RFID capabilities. It operates on Android 7.0, 9.0, or 11.0 with GMS, offering robust performance for various industrial applications.

Figure 1: CipherLab RK25 device with attached UHF RFID reader, displaying the Android home screen.
2. Persediaan
2.1. Pemasangan Bateri
- Locate the battery compartment on the rear of the RK25 handheld unit.
- Press the latch to release the battery cover.
- Insert the 3.8V, 4000 mAh Li-Polymer battery, ensuring the contacts align correctly.
- Close the battery cover until it clicks securely into place.
Note: Battery replacement is designed for quick execution, typically taking only 2 steps and 3 seconds.

Figure 2: Key features diagram, including battery compartment.
2.2. Mengecas Peranti
Before initial use, fully charge the RK25 device. Use the provided charging cradle or USB cable. A full charge typically provides a minimum of 8 hours of operation with the 2D imager.
2.3. Menghidupkan/Mematikan
- To power on: Press and hold the power button until the CipherLab logo appears.
- To power off: Press and hold the power button, then select 'Power off' from the options.
2.4. Attaching the UHF RFID Reader
The RK25 UHF RFID reader module can be easily attached to the RK25 handheld unit. Align the 8-pin electrical connection and secure the module firmly.

Figure 3: User holding the RK25 with UHF RFID reader attached.
3. Arahan Operasi
3.1. Keypad and Touchscreen Navigation
The RK25 features a 4-inch WVGA (480x800) touch display and a physical keypad. Models are available with either a 25-key keypad (2 function keys) or a 28-key keypad (4 function keys) to suit specific application needs. Use the touchscreen for intuitive navigation through the Android interface and the physical keys for data entry and dedicated functions.

Rajah 4: Depan view of the RK25 handheld unit, showing screen and keypad.
3.2. Barcode Scanning (2D Imager)
The integrated 2D imager supports reading 1D and 2D barcodes. It offers a reading range of up to 4 meters. The scanning angle can be set to 10° or 70° (70° by request) for optimal on-screen data checking and comfortable scanning.
- Point the scanner window at the barcode.
- Press the trigger button (typically yellow) to activate the scanner.
- Ensure the barcode is within the aiming pattern for a successful read.
3.3. UHF RFID Reading
When the UHF RFID reader module is attached, the RK25 can read EPC Class1 Gen2 V2 RFID tags. The circularly polarized antenna provides a read range of 8+ meters (26+ ft) and a fast read rate of over 700 tags sesaat.
- Ensure the UHF RFID reader module is securely attached and powered on.
- Point the antenna towards the RFID tags.
- Activate the RFID reading function via the device's software interface.
3.4. Fungsi NFC
The RK25 supports NFC (Near Field Communication) at 13.56 MHz, compatible with ISO14443 Type A, B, and ISO15693 standards. It supports Peer-to-Peer, Card Reader, and Card Emulation modes.
- Enable NFC in the device settings.
- Tap the device near an NFC tag or another NFC-enabled device to initiate communication.
3.5. Penggunaan Kamera
The device includes an 8-megapixel autofocus camera with an LED flash for image capture.
- Open the camera application from the Android home screen.
- Frame your subject and tap the screen to focus, then press the capture button.
3.6. Komunikasi Tanpa Wayar
The RK25 supports various wireless communication methods:
- WLAN: IEEE 802.11 a/b/g/n/ac/d/h/i/k/r/e for Wi-Fi connectivity.
- WPAN: Bluetooth Class II, V4.0/V4.1/V4.2 BLE, V2.1 with EDR for short-range device pairing.
- WWAN: GSM, TD-SCDMA, WCDMA, TDD-LTE, and FDD-LTE bands for cellular connectivity.
- GPS: Integrated GPS, Galileo, GLONASS, BeiDou, and AGPS for location services.
4. Penyelenggaraan
4.1. Arahan Pembersihan
- Gunakan kain lembut dan tidak berbulu sedikit dampened with water or a mild cleaning solution to clean the device''s exterior.
- Jangan gunakan bahan kimia, bahan pengikis atau pelarut yang keras.
- For the display, use a screen-specific cleaner and a microfiber cloth.
4.2. Penjagaan Bateri
- Elakkan daripada mendedahkan bateri kepada suhu yang melampau.
- Jangan tebuk atau buka bateri.
- Kitar semula bateri terpakai mengikut peraturan tempatan.
4.3. Kekasaran dan Ketahanan
The RK25 is designed for demanding environments, featuring an IP65 rating for dust and water resistance. It can withstand multiple drops of 1.5 m (5 ft) onto concrete, and up to 1.8 m (6 ft) with an optional rubber boot, meeting MIL-STD-810G standards. It also endures 300 tumbles at 0.5 m.
5. Penyelesaian masalah
This section addresses common issues you might encounter with your CipherLab RK25.
5.1. Peranti Tidak Dihidupkan
- Pastikan bateri dipasang dengan betul dan dicas sepenuhnya.
- Connect the device to the charger and attempt to power on.
- If the issue persists, try a different battery if available.
5.2. Barcode Scanning Issues
- Verify that the barcode is clean and undamaged.
- Ensure the scanner window is clean and free of obstructions.
- Check the scanning application settings to confirm the correct barcode symbologies are enabled.
- Laraskan jarak dan sudut antara pengimbas dan kod bar.
5.3. UHF RFID Reading Problems
- Confirm the UHF RFID reader module is securely attached and enabled.
- Pastikan RFID tags are within the optimal read range and orientation.
- Check for potential interference from other electronic devices or metallic objects.
5.4. Connectivity Issues (Wi-Fi/Bluetooth/WWAN)
- Verify that the respective wireless communication feature is enabled in the device settings.
- For Wi-Fi, ensure you are within range of a known network and have entered the correct password.
- For Bluetooth, ensure the pairing device is in discovery mode and within range.
- For WWAN, check SIM card installation and cellular network coverage.
6. Spesifikasi
The following table details the technical specifications for the CipherLab RK25 and its UHF RFID reader attachment.

Figure 5: Detailed technical specifications for the RK25 series.
| Ciri | Penerangan |
|---|---|
| Sistem Operasi | Android 7.0 with GMS (Upgradeable to Android 9.0/11.0 with GMS) |
| CPU | Quad-core 1.4 GHz Cortex A53 |
| Ingatan | 2GB RAM / 16GB Denyar |
| Pengembangan | Micro SD card slot with SDHC support (up to 32GB) |
| SIM / SAM | 1 SIM slot and 1 optional SIM/SAM slot |
| Kuasa Operasi | Replaceable and rechargeable 3.8V, 4000 mAh Li-Polymer battery |
| Waktu Bekerja | Minimum 8 hours (2D imager) |
| WWAN | GSM, TD-SCDMA, WCDMA, TDD-LTE, FDD-LTE (various bands) |
| WLAN | IEEE 802.11 a/b/g/n/ac/d/h/i/k/r/e |
| WPAN | Bluetooth Class II, V4.0/V4.1/V4.2 BLE, V2.1 with EDR |
| GPS | GPS, Galileo, GLONASS, BeiDou, AGPS |
| RFID Read/Write (HF) | 13.56 MHz (ISO14443 Type A, B, ISO15693), NFC support |
| Barcode Imager | 2D Imager with 4m long reading range, 10° or 70° scanning angle |
| Kamera | Autofokus 8 megapiksel dengan denyar LED |
| Paparan | 4'' WVGA 480 (W) x 800 (H) |
| Papan kekunci | 25-key (2 function keys) or 28-key (4 function keys) |
| Size (RK25) | 168 x 73.8 x 26 mm (6.61 x 2.91 x 1.02 inci) |
| Weight (RK25) | 292 g (Mid-Range 2D imager with battery) |
| Rintangan Kesan | 1.5 m (5 ft) multiple drops onto concrete; 1.8 m (6 ft) with rubber boot (MIL-STD-810G) |
| Kekasaran | IP65, 300 tumbles at 0.5 m |
| UHF RFID Standard | EPC Class1 Gen2 V2 |
| Antena RFID UHF | Berpolarisasi bulat |
| UHF RFID Read Rate | 700+ tags/saat |
| UHF RFID Read Range | 8+ m (26+ ft) |
| UHF RFID Frequency | 902~928 MHz (US), 865~868 MHz (EU) |
| UHF RFID Battery | Bateri Li-ion 3.6V, 3000mAh |
| UHF RFID Dimensions | 181.4 mm x 85.3 mm x 162.9 mm |
| UHF RFID Weight | 632.7 g |
7. Waranti dan Sokongan
7.1. Waranti Pengeluar
CipherLab products are covered by a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official CipherLab webtapak untuk terma dan syarat waranti terperinci khusus untuk wilayah anda.
7.2. Sokongan Teknikal
For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact CipherLab customer support. Contact information can typically be found on the CipherLab webtapak atau dalam pembungkusan produk.
You may also find useful resources, software development kits (SDKs), and configuration tools on the official CipherLab support portal.





