# Handheld Transmitter, 304 MHz, 4 Channels

**Manufacturer:** Linear  
**MPN:** `D-4B`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Linear |
| Manufacturer name | Linear |
| Manufacturer | Linear, LINEAR RESEARCH |
| Category | Security |
| CategoryL1 | Security |
| CategoryL2 | Keyless Access Control Locks |
| DimensionUnit | inch |
| GraingerSku | 45NK82 |
| Extra Product Name | Handheld Transmitter, 304 MHz, 4 Channels |
| WeightUnit | lbs |
| depth | 0.9 |
| height | 3.8 |
| height_Attrib | Height |
| length | 0.9 |
| length_Attrib | Depth |
| moq | 1 |
| MPN | D-4B |
| multiple | 1 |
| qtyInStock | 6 |
| SKU | G2017045 |
| tierMinQty1 | 1 |
| tierPrice1 | 80.91 |
| url | https://www.zoro.com/linear-handheld-transmitter-304-mhz-4-channels-d-4b/i/G2017045/ |
| width | 2.2 |
| width_Attrib | Width |
| Number of Channels | 4 |
| Width | 2.2 in, 75 |
| Depth | 0.9 in |
| Operating Frequency | 304.000 MHz |
| Features | Wall Mounting Clip |
| Item | Handheld Transmitter |
| Number of Buttons | 4 |
| Height | 3.8 in, 75 |
| Includes | 9V battery |
| Powered By | 9V Battery |
| Country of Origin (subject to change) | China |
| ASIN | B0041X3EX2 |
| AdultProduct | False |
| Asin | B0041X3EX2 |
| Aspect | transportation_regulatory_class |
| Autographed | False |
| Binding | Electronics |
| ClassificationId | 502394 |
| DisplayName | Camera & Photo |
| Hazmat | 0 |
| ItemClassification | BASE_PRODUCT |
| ItemName | LINEAR D4B LINEAR D4-B 4-CHANNEL HANDHELD |
| Item_name | LINEAR D4B LINEAR D4-B 4-CHANNEL HANDHELD |
| Keyword | D-4B |
| Label | LINEAR RESEARCH |
| Memorabilia | False |
| PackageQuantity | 1 |
| PartNumber | D-4B |
| Part_number | D-4B |
| ProductGroup | Photography |
| ProductType | SURVEILANCE_SYSTEMS |
| ProductTypeName | SURVEILANCE_SYSTEMS |
| Product_site_launch_date | 2015-02-03T08:00:45.483Z |
| Publisher | LINEAR RESEARCH |
| Studio | LINEAR RESEARCH |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2017045 | 80.91 | 1 | 6 | 1 |
| Grainger | 45NK82 | 90.2 | 1 | None | 1 |
| absupply.net | LINEAR D-4B | 97.17 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/52000000/52010000/part_--D4B---Linear--1bc6cb4bf8.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp