Linear Supervised 2-Button, 1-Channel Handheld Transmitter DXS-21 Availability Usually ships in 1-2 weeks. Linear Supervised 2-Button, 1-Channel Handheld Transmitter DXS-21 Sku: DXS-21 Competitor's Price: $48.30Our Price: $34.50 21DQuantity: Email a Friend Your friend's e-mail address : Your name: Your email address: Send me a copy?: Send HTML email?: Linear DXS-21 Supervised Handheld Transmitter The Model DXS-21 Supervised 2-Button, 1-Channel Handheld Transmitter is a supervised, digitally coded radio transmitter designed for use with Linear's DX and DXS Format receivers. Pressing a button on the transmitter sends a digitally coded wireless signal to its companion receiver. To send a complete signal, press the transmitter button for a minimum of 2 seconds. The top button can be hidden with the top button cover supplied. The DXS-21 is a two-button, one-code transmitter. Pressing either the round button on the transmitter's front, or the small button on the transmitter's top will send the same signal. The digital DXS code format features over a million possible codes. The DXS transmitters are precoded at the factory to unique codes, so no field coding is required and can send a signal for up to 10 seconds per activation. The DXS-21 is supervised for low battery and sends hourly status reports. Some receivers are able to use these signals, others are not. Receivers must be programmed to the transmitter code before system testing and operation. Refer to the receiver's instructions for details on operation and programming. Each DXS-21 is powered by two self-contained type 2032 3-volt lithium batteries (included). When the batteries voltage gets low, a low battery report is sent with any alarm or status report to notify the receiver. The red LED will blink when the transmitter is activated with low batteries. A removable pocket clip and belt clip are provided for each transmitter. Either can be attached to the back of the transmitter allowing the unit to be clipped to shirt pocket or slid onto a belt. General Specifications Dimensions: 1.6 in W x 4.2 in H x 0.8 in D (41 x 107 x 20 mm) Power: Two 3V DL-2032 lithium batteries (supplied) Current Consumption: Standby: 1 µA Alarm: 8 mA average while transmitting Battery Life: Five years typical Measured Range: 1,500 feet minimum, open air (four quadrant test into DXSR-1504) Channels: 1 channel - top or front Operating Frequency: 315 MHz Features Complete RF supervision Alarm, supervisory, and low battery transmissions Unique "Extra" top button High visibility operate LED Two type 2032 lithium batteries supplied Pocket and belt clip supplied DXS format RF frequency: 315 MHz

Compatible Receivers

Linear Supervised 4-Channel Solid State Relay Receiver DXSR-1504

Linear Supervised 8-Channel Solid State Relay Receiver DXSR-1508

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Special Orders: All Special Order items require a 50% deposit of the total before ordering. Please call for lead times on Special Order items or request a quote by email or fax. Certain items such as, but not limited to, gate operators, telephone entry systems, card reader systems, access control systems, non-stock transmitters/receivers, any stock or non-stock item we consider to be a special order item, and/or any item being ordered specifically for you are considered a special order. All returns and cancellations within 30 days or exchanges within our 1-year warranty policy are subject to a 50% special order restocking fee. Warranty is void where evidence of misuse or abuse is present.