

| TD037 Writing Board Transmitter | |
| Size | 281x162x38mm (without antenna) |
| Power Adapter | 12V == 1A |
| Standby Current | 50mA |
| Maximum Operating Current | 890mA |
| Transmit Power | 10mW Max |
| Key Mode | 6 touch buttons, 24 mechanical buttons |
| Display | 1.4-inch monochrome LCD |
| Interface | Type-C interface, DC012 power interface |
| Reminder method | Buzzer |
| Communication Range * | Open visibility>800m |
| Modulation Method | OOK(AM) |
| Communication Frequency | 433.92MHz±300KHz |
| Volume * | ≥70dB |
| TD113 Watch Pager | |
| Frequency | 433.92MHz |
| Modulation | OOK/FSK |
| Communication mode | bidirectional/dual-mode |
| Alert modes | vibration, ringtone |
| Battery | 500mAh Li-ion Battery |
| Water resistance | IP67 rating |
| Receiving sensitivity | -121dbm |
| Operating voltage | 3.7V |
| Interface | magnetic charging connector |
Q: What components are included in this kit? What is the exact quantity?
A: Click here to find out, or contact customer service directly for information.
Q: Can I purchase the transmitter/receiver/charging case separately?
A: Yes! We offer all components for individual sale. Please visit our "Accessories Center" page to find the components you need, or contact customer service directly for a separate quote.
Q: What is the warranty policy?
A: We offer a 3-year warranty. Free repairs will be provided during the warranty period.
Q: Do you offer demo testing? How do I apply?
A: Retekess.com offers free demo testing (a deposit is required). Please click "Demo Application," and our customer service will contact you within one business day to arrange shipping.
Q: How do I customize the quantity (e.g., 99 transmitters + 9999 receivers)?
A: Retekess.com supports customization of any quantity. Please click here to inform me of your desired model and the specific quantity needed. Large orders may also receive a surprise additional discount!🎁
Q: Can you customize my company logo? What are the logo size specifications? What is the minimum order quantity for customization?
A: Retekess.com supports tour guide system logo customization. However, the specifications and minimum order quantity may vary depending on the product model. Please click here to tell me the product model you wish to purchase so I can provide you with detailed information one-on-one.