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Martel Equipment Guides · Police body cameras
Use the experience from a smaller deployment to plan the next purchase. Compare camera assignments, the busiest return period, staff workload, and the archive that must remain accessible as your department grows.
View the 24-officer packageView the 50-officer package
The most useful document for a body camera expansion is often already in the department: the record of what happens during an ordinary week. Which cameras are out, how many return together, how long files take to become available, and which employees handle exceptions provide a stronger starting point than an officer total alone. Expansion gives the agency an opportunity to use that experience rather than start the purchasing discussion from zero.
A move from twelve cameras to twenty-four can double the number of devices while leaving the number of receiving employees unchanged. A move to fifty can add new shifts, specialized assignments, or a second location. Neither transition should be described only as a larger box of cameras. The purchase should explain how the new units enter a working program and how recordings from the earlier program remain usable.
Martel's 12-officer, 24-officer, and 50-officer Patrolcams packages combine cameras with supporting receiving, computer, and local-storage equipment described on their product pages. This guide focuses on choosing and introducing the next configuration. Obtain an itemized proposal for the actual expansion; the package name alone does not establish which existing parts will be reused.
Start with a one-week operating record
Choose a representative period that includes ordinary shift changes and at least one busy return. Use the department's approved records to establish the number of cameras issued, recording hours, receiving volume, unresolved transfers, and devices unavailable for service. A quiet day can conceal the very pressure that prompted expansion. If the week was unusual, keep that qualification visible instead of treating it as the permanent baseline.
For each return period, record when devices arrive and when the authorized receiving process is complete. Distinguish waiting for a connection, transferring data, verifying completion, and preparing the camera for another assignment. These are different uses of time. Buying additional cameras may address one constraint while a connection or staffing change addresses another.
Ask the person who actually receives the equipment to describe interruptions. Perhaps the workstation also handles administrative work. Perhaps late returns arrive after the normal receiving employee leaves. These details belong in the expansion request because the larger deployment will inherit them. A plan that looks comfortable in a meeting can still be awkward at the busiest desk.
Use the baseline to describe what is already successful. Keep the settings, naming conventions, and training practices that staff can explain and repeat. The goal is not to replace every existing decision. It is to identify which assumptions remain valid at the next size and which need a fresh demonstration.
Decide what kind of expansion you are buying
| Expansion type | Purchasing question | Evidence to request |
|---|---|---|
| Add units to the current arrangement | Which existing docks, software, computer, and storage are supported with the added cameras? | An itemized compatibility statement and a test of the larger receiving load. |
| Introduce a larger complete package | Which old equipment remains in service and which functions move to the new arrangement? | A transition plan covering assignments, receiving, old recordings, and support. |
| Add another receiving location | Where do recordings become available and who maintains each location? | A demonstrated retrieval process for an authorized reviewer who was not present at the return. |
| Replace aging units while increasing quantity | How many purchases replace existing devices and how many create new capacity? | Separate replacement and growth counts, with a record of the accepted configuration. |
A department can combine these approaches, but it should name each part. For example, twelve added devices and twelve replacements are a different proposal from twenty-four additional assignments. The total shipped quantity may match while the effect on daily operations differs. Keep the equipment inventory and the operational change beside each other in the approval packet.
The Bureau of Justice Assistance vendor acquisition guide emphasizes evaluating agency requirements and both immediate and later costs. For an expansion, that principle means comparing complete proposals against the same growth scenario. Do not compare an accessory-only quote with a full package as though every omitted component is unnecessary.
Moving from twelve cameras to twenty-four
At this stage, a useful question is whether the agency is adding more of the same work or a different kind of work. More patrol officers using the same assignment and return routine may fit an incremental expansion. Adding a special unit with a different uniform, duty schedule, or return location introduces new conditions even if the camera quantity is modest.
Make the additional assignments visible. In a fictional planning example, an agency may want eight new routine assignments, two temporary replacements, and two training devices. That explains the twelve-unit increase more clearly than saying that the next package is twice as large. The actual allocation must come from the department's staffing and recording requirements; this example is simply a way to structure the discussion.
Then ask whether all twenty-four units can reach the intended receiving process when needed. The devices may return in several groups or nearly together. Test the group that creates the highest demand, using approved training recordings with realistic lengths. Check the time until each camera can be issued again, not just the time until the first download begins.
Preserve a clear distinction between accepted existing settings and proposed changes. If expansion includes a new recording mode, the agency is testing both more cameras and a new data rate. Measure them separately where practical. That makes it easier to explain why storage or receiving time changed and avoids blaming quantity for a setting change that would have affected twelve cameras too.
Moving toward fifty cameras
A fifty-camera program may involve more people who never participated in the original setup. Instructions that twelve experienced users carried in memory should become visible operating information. New wearers need a consistent introduction; receiving employees need a shared status record; supervisors need a clear method for requesting and locating the appropriate recording.
Start by mapping teams and locations. Identify which groups return to the same place, which return outside normal hours, and which may exchange equipment during a shift. Ask whether a central workstation remains the intended design or whether the proposal includes another receiving arrangement. Do not infer a multi-location capability from the number of cameras in a package.
Identify a primary owner for the expanded program and name the operational responsibilities that remain with other staff. A program owner need not perform every transfer or answer every technical question. The role should make unresolved issues visible, keep configuration decisions consistent, and ensure that someone follows through when a problem crosses unit boundaries.
Plan the introduction of fifty devices in manageable groups. Each group should reach the same readiness standard before routine issue: identified equipment, accepted settings, suitable mounting, completed training, and a demonstrated receiving path. A delivery date is useful for scheduling, but it is not evidence that every person and supporting function is ready on that date.

Count assignments, available devices, and exceptions separately
Build three numbers rather than one: the peak number of required active assignments, the number of devices ready for issue, and the number reserved for defined purposes. The reserve may cover a planned training activity or an approved equipment contingency. Explain each reserve category so it is not mistaken for unexplained excess purchasing.
In a second fictional example, a department planning twenty-four devices could have twenty needed at the busiest overlap and four allocated for approved contingencies. That is different from twenty-four simultaneous wearers with no additional capacity. The package quantity is identical; the coverage question is not. Put the intended use of each group into the worksheet before comparing proposals.
Use the same distinction when assessing the existing fleet. A camera on the inventory may be out for service, awaiting a receiving issue to be resolved, or reserved for an investigation. An inventory count should not automatically be used as the ready-for-duty count. The expansion plan needs an honest view of both the property record and operating availability.
Keep the process proportionate. A small table with device identity, assignment, status, and the responsible employee can answer the key question without creating a second unmanageable system. Follow the department's approved controls for that information, and decide who updates it when equipment is exchanged.
Measure the busiest return, not only average transfer speed
A single camera transferring a short clip is a useful functional test. It is not a workload test for a group arriving at the end of a busy shift. Rehearse the expected return pattern with training recordings, the proposed connections, the receiving software, and the storage destination that will actually be used. Include ordinary competing workstation tasks if they are part of the approved design.
Measure both elapsed time and staff attention. A process can run unattended for part of its duration while still requiring careful checking at the beginning or end. Another process may finish quickly but require repeated manual intervention. Document the difference so command staff understand whether the proposal needs additional equipment, a changed schedule, or a defined receiving assignment.
For illustration only, suppose eighteen cameras arrive within a short interval and each carries six gigabytes of training material. The receiving batch is 108 gigabytes before any later copies. That arithmetic describes the test workload; it predicts no particular Martel transfer speed. Time the actual proposed arrangement and ask what happens if one device fails while the others are progressing.
Keep a record of incomplete cases. Staff should be able to identify the device, the visible status, the last verified step, and the next authorized action. Avoid a routine where a camera's position on a desk is the only signal of completion. At fifty units, an informal pile can contain several different states that look alike from across the room.
Forecast storage from your recording pattern
Use file sizes measured at the agency's intended settings. Divide the total size of representative original clips by their recorded duration to establish an observed rate. Combine that rate with expected recorded hours, the number of devices producing those hours, and the retention categories approved for the program. Keep units explicit so gigabytes, terabytes, and elapsed days are not mixed inadvertently.
Illustrative calculation, not a camera specification: If training files average 3 GB per recorded hour and each device produces 2 recorded hours on each of 20 operating days, twelve devices produce 1,440 GB in that month. Twenty-four produce 2,880 GB; fifty produce 6,000 GB. These figures exclude recovery copies, exports, long-held material, and other data. Replace every assumption with your own measured and approved inputs.
Use the forecast to ask about usable capacity in the proposed configuration. A package may identify multiple storage devices, but their roles must be explained. A device dedicated to a recovery copy should not also be counted as independent space for more original recordings. Have the responsible technical staff confirm the design and demonstrate retrieval and recovery through the supported process.
Do not shorten a retention requirement merely to make a calculation fit the available equipment. Records and legal staff should supply the governing categories and holds. The equipment plan then addresses those requirements. BJA's technology guidance treats storage and evidentiary controls as part of the broader camera solution; the department's expansion worksheet should do the same.
Protect continuity between the old and new arrangements
Before changing receiving software, storage locations, or computers, establish how authorized staff will find recordings already held by the department. A successful new-device demonstration does not prove that an older case remains accessible. Include an older approved test file in the acceptance exercise, alongside a new training recording and a case involving several camera identities.
