1. પરિચય
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. સેટઅપ
2.1. બેટરી ઇન્સ્ટોલેશન
- 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. ઉપકરણને ચાર્જ કરી રહ્યું છે
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. પાવર ચાલુ/બંધ
- 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. ઓપરેટિંગ સૂચનાઓ
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.

આકૃતિ 4: ફ્રન્ટ 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 પ્રતિ સેકન્ડ.
- 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. NFC કાર્યક્ષમતા
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. કેમેરાનો ઉપયોગ
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. વાયરલેસ કોમ્યુનિકેશન
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. જાળવણી
4.1. સફાઈ સૂચનાઓ
- નરમ, લિન્ટ-ફ્રી કાપડનો ઉપયોગ કરોampened with water or a mild cleaning solution to clean the device''s exterior.
- કઠોર રસાયણો, ઘર્ષક પદાર્થો અથવા દ્રાવકોનો ઉપયોગ કરશો નહીં.
- For the display, use a screen-specific cleaner and a microfiber cloth.
4.2. બેટરી કેર
- આત્યંતિક તાપમાને બેટરીને ખુલ્લા પાડવાનું ટાળો.
- બેટરીને પંચર અથવા ડિસએસેમ્બલ કરશો નહીં.
- Recycle used batteries according to local regulations.
૧. કઠોરતા અને ટકાઉપણું
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. મુશ્કેલીનિવારણ
This section addresses common issues you might encounter with your CipherLab RK25.
5.1. ઉપકરણ ચાલુ ન થવું
- ખાતરી કરો કે બેટરી યોગ્ય રીતે ઇન્સ્ટોલ કરેલી છે અને સંપૂર્ણ ચાર્જ થયેલ છે.
- 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.
- ખાતરી કરો કે સ્કેનર વિન્ડો સ્વચ્છ અને અવરોધોથી મુક્ત છે.
- Check the scanning application settings to confirm the correct barcode symbologies are enabled.
- સ્કેનર અને બારકોડ વચ્ચેનું અંતર અને કોણ ગોઠવો.
5.3. UHF RFID Reading Problems
- Confirm the UHF RFID reader module is securely attached and enabled.
- RFID ની ખાતરી કરો 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. સ્પષ્ટીકરણો
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.
| લક્ષણ | વર્ણન |
|---|---|
| ઓપરેટિંગ સિસ્ટમ | Android 7.0 with GMS (Upgradeable to Android 9.0/11.0 with GMS) |
| CPU | Quad-core 1.4 GHz Cortex A53 |
| સ્મૃતિ | 2GB RAM / 16GB ફ્લેશ |
| વિસ્તરણ | Micro SD card slot with SDHC support (up to 32GB) |
| SIM / SAM | 1 SIM slot and 1 optional SIM/SAM slot |
| ઓપરેટિંગ પાવર | Replaceable and rechargeable 3.8V, 4000 mAh Li-Polymer battery |
| કામના કલાકો | 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 |
| જીપીએસ | 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 |
| કેમેરા | એલઇડી ફ્લેશ સાથે ઓટોફોકસ 8 મેગાપિક્સલ |
| ડિસ્પ્લે | 4'' WVGA 480 (W) x 800 (H) |
| કીપેડ | 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 ઇંચ) |
| Weight (RK25) | 292 g (Mid-Range 2D imager with battery) |
| અસર પ્રતિકાર | 1.5 m (5 ft) multiple drops onto concrete; 1.8 m (6 ft) with rubber boot (MIL-STD-810G) |
| કઠોરતા | IP65, 300 tumbles at 0.5 m |
| UHF RFID Standard | EPC Class1 Gen2 V2 |
| UHF RFID એન્ટેના | ગોળાકાર ધ્રુવીકરણ |
| UHF RFID Read Rate | 700+ tags/સેકન્ડ |
| UHF RFID Read Range | 8+ m (26+ ft) |
| UHF RFID Frequency | 902~928 MHz (US), 865~868 MHz (EU) |
| UHF RFID Battery | 3.6V, 3000mAh લિ-આયન બેટરી |
| UHF RFID Dimensions | 181.4 mm x 85.3 mm x 162.9 mm |
| UHF RFID Weight | 632.7 ગ્રામ |
7. વોરંટી અને સપોર્ટ
7.1. ઉત્પાદક વોરંટી
CipherLab products are covered by a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official CipherLab webતમારા પ્રદેશ માટે વિગતવાર વોરંટી નિયમો અને શરતો માટે સાઇટ.
7.2. ટેકનિકલ સપોર્ટ
For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact CipherLab customer support. Contact information can typically be found on the CipherLab webસાઇટ અથવા ઉત્પાદન પેકેજિંગમાં.
You may also find useful resources, software development kits (SDKs), and configuration tools on the official CipherLab support portal.





